1. Deardorff D., Moeller M., Walt E., "Results of an instrumented helical soil nail wall", Paper presented at the Earth Retention Conference 3, (2010) 262-269.
2. Stephenson R.W., "Design and installation of torque anchors for tiebacks and foundations", Retrieved from Missouri University of Science and Technology, Rolla, (2003) 45.
3. Perko H.A., "Helical piles: a practical guide to design and installation", John Wiley & Sons, (2009).
4. Blessen J., Deardorff D., Dikeman R., Kortan J., Malone J., Olson k., Waltz N., "Helical piles and anchors- hydraulically driven push piers- polyurethane injection- supplemental support systems", In Supportworks, Third ed., (2017).
5. Perko H., "Summary of earth retaining methods utilizing helical anchors", Magnum® Helix Foundation.™ Technical Reference Manual. March, (1999) 4.
6. Young J.J.M., "Uplift capacity and displacement of helical anchors in cohesive soil", M.Sc. thesis, Oregon State University, (2012).
7. Clemence S., Lutenegger A., "Industry survey of state of practice for helical piles and tiebacks", DFI Journal-The Journal of the Deep Foundations Institute, Vol. 9 (2015) 21-41.
8. Vickars R.A., Clemence S.P., "Performance of helical piles with grouted shafts", New Technological and Design Developments in Deep Foundations, (2000) 327-341.
9. Pack J.S., "Design of helical piles for heavily loaded structures", New technological and design developments in deep foundations, (2000) 353-367
10. Das B.M., "Earth anchors". Amsterdam, The Netherlands: Elsevier, (1990).
11. Rao S.N., Prasad Y., "Behavior of a helical anchor under vertical repetitive loading", Marine georesources & geotechnology, Vol. 10 (1991) 203-228.
12. Rao S.N., Prasad Y., Shetty MD., "The behaviour of model screw piles in cohesive soils", Soils and Foundations, Vol. 31 (1991) 35-50.
13. Ghaly A., Hanna A., "Experimental and theoretical studies on installation torque of screw anchors", Canadian Geotechnical Journal, Vol. 28 (1991) 353-364.
14. Ghaly A., Hanna A., Ranjan G., Hanna M., "Helical anchors in dry and submerged sand subjected to surcharge", Journal of Geotechnical Engineering, Vol. 117 (1991) 1463-1470.
15. Ghaly A., Hanna A., Hanna M., "Installation torque of screw anchors in dry sand", Soils and Foundations, Vol. 31 (1991) 77-92.
16. Ghaly A., Hanna A., Hanna M., "Uplift behavior of screw anchors in sand. I: dry sand", Journal of Geotechnical Engineering, Vol. 117 (1991) 773-793.
17. Ghaly A., Hanna A., Hanna M., "Uplift behavior of screw anchors in sand. II: hydrostatic and flow conditions", Journal of Geotechnical Engineering, Vol. 117 (1991) 794-808.
18. Xiao D., Wu C., Wu H., "Experimental study on ultimate capacity of large screw piles in Beijing", International Congress and Exhibition" Sustainable Civil Infrastructures: Innovative Infrastructure Geotechnology", (2017).
19. Wey E., Murray P., Perko H., Mondoy M., Volpe P., "Custom helical pile use for a refinery revamp: A case study", Paper presented at the Structures Congress, (2017).
20. El Sharnouby M., El Naggar M., "Numerical investigation of axial monotonic performance of reinforced helical pulldown micropiles", International Journal of Geomechanics, Vol. 18 (2018) 04018116.
21. Merifield R., "Ultimate uplift capacity of multiplate helical type anchors in clay", Journal of geotechnical and geoenvironmental engineering, Vol. 137 (2010) 704-716.
22. Perlow J., Michael., "Helical pile acceptance criteria, design guidelines, and load test verification", Geo-Frontiers 2011: Advances in Geotechnical Engineering, (2011) 94-102.
23. Ghaly A.M., Clemence S.P., "Pullout performance of inclined helical screw anchors in sand", Journal of geotechnical and geoenvironmental engineering, Vol. 124 (1998) 617-627.
24. Rao S.N., Prasad Y., "Estimation of uplift capacity of helical anchors in clays", Journal of Geotechnical Engineering, Vol. 119 (1993) 352-357.
25. Ghaly A., Hanna A., "Stresses and strains around helical screw anchors in sand", Soils and Foundations, Vol. 32 (1992) 27-42.
26. Shaheen W.A., Demars K.R., "Interaction of multiple helical earth anchors embedded in granular soil", Marine georesources & geotechnology, Vol. 13 (1995) 357-374.
27. Ghaly A.M., "Drivability and pullout resistance of helical units in saturated sands", Soils and Foundations., Vol. 35 (1995) 61-66.
28. Zhang D., Chalaturnyk R., Robertson P., Sego D., Cyre G., "Screw anchor test program (Part I): instrumentation, site characterization and installation", 51st Canadian Geotech. Conf, Edmonton, (1998).
29. Zhang D., Chalaturnyk R., Robertson P., Sego D., Cyre G., "Screw anchor test program (part II): field test results and design implication", 51st Canadian geotechnical conference, Edmonton, (1998).
30. Perko H.A., "Energy method for predicting installation torque of helical foundations and anchors", New technological and design developments in deep foundations, (2000) 342-352.
31. Ghaly A., Hanna A., "Response of anchors to variations in displacement-based loading", Canadian Geotechnical Journal, Vol. 40 (2003) 694-701.
32. Hanna A., Ayadat T., Sabry M., "Pullout resistance of single vertical shallow helical and plate anchors in sand", Geotechnical and Geological Engineering, Vol. 25 (2007) 559.
33. Crabtree J., Klosky J.L., Gash R., Miller D., "Helical anchors: Lateral resistance for shaping the lunar surface", Earth & Space 2008: Engineering, Science, Construction, and Operations in Challenging Environments, (2008) 1-10.
34. Cerato A.B., Victor R., "Effects of long-term dynamic loading and fluctuating water table on helical anchor performance for small wind tower foundations", Journal of performance of constructed facilities, Vol. 23 (2009) 251-261.
35. Mazhar H., Quadrelli M., Heyn T., Madsen J., Negrut D., "Using a granular dynamics code to investigate the performance of a helical anchoring system design", Earth and Space (2012) 274-283.
36. Wang D., Merifield R., Gaudin C., Hu Y., "Centrifuge model tests of helical anchors in clay", Paper presented at the Proceedings of the 7th International Conference on Physical Modelling in Geotechnics, Zurich, Switzerland, (2010).
37. Crandell J.H., William Zoeller R., Nowak M., Blanford M., "Performance of helical disk ground anchors for anchorage of manufactured housing", Journal of Architectural Engineering, Vol. 17 (2011) 125-133.
38. Lebedev S., "Torque and axial force at the surface of a blade in a conical helical anchor", Russian Engineering Research, Vol. 31 (2011) 424-427.
39. Lutenneger A., "Behavior of multi-helix screw anchors in sand", Paper presented at the Proceedings of the 14th Pan-American Conference on Soil Mechanics and Geotechnical Engineering, Toronto, Ont, (2011).
40. Stuedlein A.W., Young J., "Uplift performance of multi-helix anchors in desiccated clay", DFI Journal-The Journal of the Deep Foundations Institute, Vol. 6 (2012) 13-25.
41. Chen S., Ong C., "Spectral analysis of surface wave for empirical elastic design of anchored foundations", Advances in Civil Engineering, (2012).
42. Tsuha C.d.H.C., Aoki N., Rault G., Thorel L., Garnier J., "Evaluation of the efficiencies of helical anchor plates in sand by centrifuge model tests", Canadian Geotechnical Journal, Vol. 49 (2012) 1102-1114.
43. Ponomarenko Y., Baranov N., "Peculiarities of regulatory documents for design of foundations formed from helical anchors and piles", Soil Mechanics & Foundation Engineering, Vol. 50 (2013).
44. Tsuha C.d.H.C., Santos T.d.C., Rault G., Thorel L., Garnier J., "Influence of multiple helix configuration on the uplift capacity of helical anchors", Congrès International de Mécanique des Sols et de Géotechnique, (2013) 18.
45. Mittal S., Mukherjee S., "Vertical uplift capacity of a group of helical screw anchors in sand", Indian Geotechnical Journal, Vol. 43 (2013) 238-250.
46. Todeshkejoei C., Hambleton J., Stanier S., Gaudin C., "Modelling installation of helical anchors in clay", 14th International Conference of the International Association for Computer Methods and Advances in Geomechanics, (2014).
47. Wang D., Merifield R., Gaudin C., "Uplift behaviour of helical anchors in clay", Canadian Geotechnical Journal, Vol. 50 (2013) 575-584.
48. Morais T.d.S.O., Tsuha C.d.H.C., "A new experimental procedure to investigate the torque correlation factor of helical anchors", Electronic Journal of Geotechnical Engineering, Vol. 19 (2014) 3851-3864.
49. Mittal S., Mukherjee S., "Vertical pullout capacity of a group of helical screw anchors in sand: an empirical approach", Indian Geotechnical Journal, Vol. 44 (2014) 480-488.
50. Stuedlein A.W., Uzielli M., "Serviceability limit state design for uplift of helical anchors in clay", Geomechanics and Geoengineering, Vol. 9 (2014) 173-186.
51. Mittal S., Mukherjee S., "Behaviour of group of helical screw anchors under compressive loads", Geotechnical and Geological Engineering, Vol. 33 (2015) 575-592.
52. Tsuha C.d.H.C., "Physical modelling of the behaviour of helical anchors", Paper presented at the 3rd European Conf. on Physical Modelling in Geotechnics (EUROFUGE 2016). IFSTTAR Nantes Centre, France, 1st-3rd June, (2016).
53. Schiavon J.A., Tsuha C.d.H.C., Thorel L., "Scale effect in centrifuge tests of helical anchors in sand", International Journal of Physical Modelling in Geotechnics, Vol. 16 (2016) 185-196.
54. Laefer D.F., Menninger N.E., Hernandez W.E., "Grouting patterns and possibilities with helical piers", Paper presented at the Presented at Underground Construction in Urban Environments: Specialty Seminar, ASCE Metropolitan Section Geotechnical Group and the Geo-Institute of ASCE, May 11-12, 2005, New York City, (2005).
55. Bian Y., Hutchinson T.C., Wilson D., Laefer D., Brandenberg S., "Experimental investigation of grouted helical piers for use in foundation rehabilitation", Geotechnical and geoenvironmental engineering, Vol. 134 (2008) 1280-1289.
56. El Sharnouby M., El Naggar M., "Axial monotonic and cyclic performance of fibre-reinforced polymer (FRP)–steel fibre–reinforced helical pulldown micropiles (FRP-RHPM)", Canadian Geotechnical Journal, Vol. 49 (2012) 1378-1392.
57. El Sharnouby M.M., El Naggar M.H., "Field investigation of axial monotonic and cyclic performance of reinforced helical pulldown micropiles", Canadian Geotechnical Journal, Vol. 49 (2012) 560-573.
58. Lutenegger A.J., "Behavior of grouted shaft helical anchors in clay", DFI Journal-The Journal of the Deep Foundations Institute, Vol. 5 (2011) 58-67.
59. Papadopoulou K., Saroglou H., Papadopoulos V., "Finite element analyses and experimental investigation of helical micropiles", Geotechnical and Geological Engineering, Vol. 32 (2014) 949-963.
60. Tsuha C.D.H., Aoki N., Rault G., Thorel L., Garnier J., "Centrifuge modelling of installation effects on helical anchor performance in sand", Paper presented at the 8th ICPMG Int. Conf. on Physical Modelling in Geotechnics, (2014).
61. Abdelghany Y., El Naggar M.H., "Full-scale field investigations and numerical analyses of innovative seismic composite fiber-reinforced polymer and reinforced grouted helical screw instrumented piles", (2014) 414-424.
62. Sakr M.A., Nazir A.K., Azzam W.R., Sallam A.F., "Behavior of grouted single screw piles under inclined tensile loads in sand", Electronic Journal of Geotechnical Engineering, Vol. 21 (2016) 571-591.
63. Khazaei J., Eslami A., "Post-grouted helical piles behavior via physical modeling by FCV", Marine georesources & geotechnology, Vol. 35 (2016).
64. Mansour M., Aboutabikh M., Soliman A., El Naggar M., "Sustainable grouted helical piles: Materials and performance", Canadian Society for Civil Engineering (CSCE) "Conf. London: Canadian Society of Civil Engineers, (2016).
65. Cherry J.A., Souissi M., "Helical pile capacity to torque ratios, current practice, and reliability", GeoTrends: The Progress of Geological and Geotechnical Engineering in Colorado at the Cusp of a New Decade, (2011) 43-52.
66. Hambleton J., Stanier S., Gaudin C., Todeshkejoei K., "Analysis of installation forces for helical piles in clay", Australian Geomechanics., Vol. 49 (2014) 73-80.
67. Lutenegger A.J., "Historical development of iron screw-pile foundations: 1836–1900", The International Journal for the History of Engineering & Technology, Vol. 81 (2011) 108-128.
68. Seider G.L., "Bearing and friction design capacity software for helical anchors and piles", IFCEE, (2015) 851-867.
69. Byrne B., Houlsby G., "Helical piles: an innovative foundation design option for offshore wind turbines", Phil. Trans. R. Soc. A, 373(2035), 20140081, (2015).
70. Spagnoli G., Jalilvand S., Gavin K., "Installation torque measurements of helical piles in dry sand for offshore foundation systems", Geo-Chicago, (2016) 439-448.
71. Mohajerani A., Bosnjak D., Bromwich D., "Analysis and design methods of screw piles: a review", Soils and Foundations, Vol. 56 (2016) 115-128.
72. Spagnoli G., Gavin K., "Helical piles as a novel foundation system for offshore piled facilities", Paper presented at the Abu Dhabi International Petroleum Exhibition and Conference, (2015).
73. Sprince A., Pakrastinsh L., "Helical pile behaviour and load transfer mechanism in different soils", Paper presented at the Modern Building Materials, Structures and Techniques. Proceedings of the International Conference, (2010).
74. Gavin K., Doherty P., Tolooiyan A., "Field investigation of the axial resistance of helical piles in dense sand", Canadian Geotechnical Journal, 51 (2014).
75. Spagnoli G., Gavin K., Brangan C., Bauer S., "In situ and laboratory tests in dense sand investigating the helix-to-shaft ratio of helical piles as a novel offshore foundation system", Frontiers in Offshore Geotechnics, Vol. 3 (2015).
76. Lutenegger A.J., Tsuha C., "Evaluating installation disturbance from helical piles and anchors using compression and tension tests", Soil Mechanics and Geotechnical Engineering, Buenos Aires, (2015).
77. Elkasabgy M., El Naggar M.H., "Dynamic response of vertically loaded helical and driven steel piles", Canadian Geotechnical Journal, Vol. 50 (2013) 521-535.
78. Sakr M., "Helical piles-an effective foundation system for solar plants", Paper presented at the The 64th Canadian Geotechnical Conference and Pan-AM CGS, Toronto, Ontario, (2011).
79. Sakr M., Bartlett., F., "High capacity helical piles–A new dimension for bridge foundations", Paper presented at the Proceedings of 8th International Conference on Short and Medium Span Bridges, Niagara Falls, Canada, (2010).
80. Sakr M., "Comparison between high strain dynamic and static load tests of helical piles in cohesive soils", Soil Dynamics and Earthquake Engineering, Vol. 54 (2013) 20-30.
81. Tsuha C.d.H.C., dos Santos Filho J.M.S.M., Santos T.d.C., "Helical piles in unsaturated structured soil: a case study", Canadian Geotechnical Journal, Vol. 53 (2015) 103-117.
82. Elkasabgy M., Sakr M., Eng P., "Field and theoretical dynamic response of vertically loaded helical and driven steel piles", Paper presented at the Proceedings of the 2011 Pan-Am CGS Geotechnical Conference, (2011).
83. Tsuha C.d.H.C., Aoki N., "Relationship between installation torque and uplift capacity of deep helical piles in sand", Canadian Geotechnical Journal, Vol. 47 (2010) 635-647.
84. Sakr M., "Lateral performance of two-section helical piles in soft soils", DFI Journal-The Journal of the Deep Foundations Institute, Vol. 3 (2009) 37-48.
85. Elsherbiny Z.H., El Naggar M.H., "Axial compressive capacity of helical piles from field tests and numerical study", Canadian Geotechnical Journal, Vol. 50 (2013) 1191-1203.
86. Beim J., Luna S.C., "Results of dynamic and static load tests on helical piles in the varved clay of Massachusetts", DFI Journal-The Journal of the Deep Foundations Institute, Vol. 6 (2012) 58-67.
87. Fahmy A., El Naggar M., "Cyclic axial performance of helical-tapered piles in sand", DFI Journal-The Journal of the Deep Foundations Institute, Vol. 10 (2016) 98-110.
88. El Sharnouby M., El Naggar M., "Monotonic and cyclic axial full-scale testing of reinforced helical pulldown micropiles", Paper presented at the Proceedings of the 2011 Pan-Am CGS Geotechnical Conference, (2011).
89. White B., Alzawi A., Bradka T., Phang Y., "High strain dynamic load testing on helical piles–case study", Paper presented at the Proceedings of 1st International Geotechnical Symposium on Helical Foundations, (2013).
90. Hird C., Stanier S., "Modelling helical screw piles in clay using a transparent soil", The 7th annual international conference on physical modeling in geotechnics", Zurich, Switzerland, (2010).
91. Stanier S.A., Black J.A., Hird C.C., "Modelling helical screw piles in clay and design implications", Proceedings of ICE-Geotechnical Engineering, Vol. 167 (2013) 447-460.
92. Fateh A.M.A., Eslami A., Fahimifar A., "Direct CPT and CPTu methods for determining bearing capacity of helical piles", Marine georesources & geotechnology, Vol. 35 (2017) 193-207.
93. Tappenden K., Sego D., Robertson P., "Load transfer behavior of full-scale instrumented screw anchors", Contemporary Topics in Deep Foundations, (2009) 472-479.
94. Tappenden K.M., Sego D.C., "Predicting the axial capacity of screw piles installed in Canadian soils", Paper presented at the The Canadian Geotechnical Society (CGS), OttawaGeo2007 Conference, (2007).
95. Khazaie J., Eslami A., "Behavior of helical piles-as a geoenvironmental choice-by frustum confining vessel (FCV)", Advances in Science and Technology Research Journal, (2016).
96. Weech C., Howie J., "Helical piles in soft sensitive soils–a field study of disturbance effects on pile capacity", Paper presented at the VGS Symp. Soft Gr. Eng, (2012).
97. Tang C., Phoon K.K., "Model uncertainty of cylindrical shear method for calculating the uplift capacity of helical anchors in clay", Engineering Geology, Vol. 207 (2016) 14-23.
98. Tsuha C., Aoki N., Rault G., Thorel L., Garnier J., "Physical modelling of helical pile anchors", International Journal of Physical Modelling in Geotechnics, Vol. 7 (2007) 01-12.
99. Buhler R., Cerato A.B., "Design of dynamically wind-loaded helical piers for small wind turbines", Journal of performance of constructed facilities, Vol. 24 (2010) 417-426.
100. El Naggar M.H., Abdelghany Y., "Helical screw piles (HSP) capacity for axial cyclic loadings in cohesive soils", The 4th International Conference on Earthquake Geotechnical Engineering, Thessaloniki-Greece, (2007).
101. Spagnoli G., "Some considerations regarding the use of helical piles as foundation for offshore structures", Soil mechanics and foundation engineering, Vol. 50 (2013) 102-110.
102. Abdelghany Y., El Naggar MH., "Monotonic and cyclic behavior of helical screw piles under axial and lateral loading", (2010).
103. Elkasabgy M., El Naggar M.H., Sakr M., "Full-scale vertical and horizontal dynamic testing of a double helix screw pile", In Proceedings of the 63rd Canadian Geotechnical Conference, Calgary, Alta, 12-16, (2010).
104. Seider G., Chisholm J.B., "Lateral capacity of helical piles–actual vs. theoretical foundations for solar power plants", GeoCongress 2012: State of the Art and Practice in Geotechnical Engineering, (2012) 315-325.
105. Sakr M., "Installation and performance characteristics of high capacity helical piles in cohesive soils", DFI Journal-The Journal of the Deep Foundations Institute, Vol. 6 (2012) 41-57.
106. Sakr M., "Relationship between installation torque and axial capacities of helical piles in cohesive soils", DFI Journal-The Journal of the Deep Foundations Institute, Vol. 7 (2013) 44-58.
107. Heinisch J., Eng P., Cook T., "Torque correlation for solid steel square shaft helical piles, (2011).
108. Abdel-Rahim HH., Taha YK., El din El sharif Mohamed W "The compression and uplift bearing capacities of helical piles in cohesionless soil", Journal of American Science, Vol. 9 (2013).
109. Kurian N.P., Shah S.J., "Studies on the behaviour of screw piles by the finite element method", Canadian Geotechnical Journal, Vol. 46 (2009) 627-638.
110. Khazaei J., Eslami A., "Geotechnical behavior of helical piles via physical modeling by Frustum Confining Vessel (FCV)", International Journal of Geography and Geology, Vol. 5 (2016) 167-181. 10.18488/journal.
111. Nasr M., "Performance-based design for helical piles", Contemporary Topics in Deep Foundations, (2009) 496-503.
112. Salhi L., Nait-Rabah O., Deyrat C., Roos C., "Numerical modeling of single helical pile behavior under compressive loading in sand", EJGE, 18, (2013) 4319-4338.
113. Polishchuk A., Maksimov F., "Improving the design of screw piles for temporary building foundations", Soil mechanics and foundation engineering, Vol. 53 (2016) 282-285.
114. Schiavon J.A., Tsuha C.d.H.C., Esquivel E.R., "Application of two-dimensional photoelastic analysis study of helical anchors", Paper presented at the 1st International Geotechnical Symposium on Helical Foundations, (2013).
115. Knappett J., Brown M., Brennan A., Hamilton L., "Optimising the compressive behaviour of screw piles in sand for marine renewable energy applications", On Piling & Deep Foundations, Stockholm, Sweden, 21st-23rd May, (2014).
116. Abdrabbo F., El Wakil A., "Laterally loaded helical piles in sand", Alexandria Engineering Journal, Vol. 55 (2016) 3239-3245.
117. Lutenegger A.J., "Cylindrical shear or plate bearing?—Uplift behavior of multi-helix screw anchors in clay", Contemporary Topics in Deep Foundations, (2009) 456-463.
118. Gavin K., Doherty P., Spagnoli G., "Prediction of the installation torque resistance of large diameter helical piles in dense sand", The 1st International Geotechnical Symposium on Helical Foundations", 8-10 August 2013, (2013).
119. Prasad Y., Rao S.N., "Pullout behaviour of model pile and helical pile anchors subjected to lateral cyclic loading", Canadian Geotechnical Journal, Vol. 31 (1994) 110-119.
120. Mittal S., Ganjoo B., Shekhar S., "Static Equilibrium of screw anchor pile under lateral load in sands", Geotechnical and Geological Engineering, Vol. 28 (2010) 717-725.
121. Liu H., Zubeck H.K., Schubert D.H., "Finite-element analysis of helical piers in frozen ground", Journal of Cold Regions Engineering, Vol. 21 (2007) 92-106.
122. Schiavon J., Tsuha C., Neel A., Thorel L., "Physical modelling of a single-helix anchor in sand under cyclic loading",The 3rd European Conference on Physical Modelling in Geotechnics Eurofuge, (2016)
123. Seider G., "Eccentric loading of helical piers TM for underpinning", Paper presented at the 3rd International Conference on Case Histories in Geotechnical Engineering, University of Missouri-Rolla, (1993).
124. Wang T.F., Liu J.K., Zhao H.G., Shang Y.L., Liu X.Q., "Experimental study on the anti-jacking-up performance of a screw pile for photovoltaic stents in a seasonal frozen region", Vol. 17 (2016) 512-524.
125. Ghaly A., Hanna A., "Model investigation of the performance of single anchors and groups of anchors", Canadian Geotechnical Journal, Vol. 31 (1994) 273-284.
126. Yttrup P., Abramsson G., "Ultimate strength of steel screw piles in sand", Australian Geomechanics: Journal and News of the Australian Geomechanics Society, Vol. 38 (2003) 17.
127. Malik A.A., Kuwnao J., Tachibana S., Maejima T., "Interpretation of screw pile load test data using extrapolation method in dense sand", Int J Geomate, Vol. 10 (2016) 1567-1574.
128. Rao S.N., Prasad Y., Veeresh C., "Behaviour of embedded model screw anchors in soft clays", Geotechnique, Vol. 43 (1993) 605-614.
129. Zubeck H., Liu H., "Design of helical pier foundations in frozen ground", Swets & Zeitlinger, Lisse, ISBN 90 5809 582 7, (2003).
130. Livneh B., El Naggar M.H., "Axial testing and numerical modeling of square shaft helical piles under compressive and tensile loading", Canadian Geotechnical Journal, Vol. 45 (2008) 1142-1155.
131. Kanai S., "A seismic retrofitting application by means of multi-helix micropiles", Paper presented at the Proceedings of the 23rd US–Japan Bridge Engineering Workshop, Tsukuba, Japan, (2007).
132. Pack J.S., "Performance of square shaft helical pier foundations in swelling soils", GEO-Volution: The Evolution of Colorado's Geological and Geotechnical Engineering Practice, (2007) 76-85.
133. Giampa J.R., Bradshaw A.S, Schneider J.A., "Influence of dilation angle on drained shallow circular anchor uplift capacity", International Journal of Geomechanics, Vol. 17 (2016) 04016056.
134. Komatsu A., "Development on battered pile with screw pile method (NS-ECO pile)", The International Workshop on Recent Advances of Deep Foundations (IWDPF07), (2007).
135. Dong T.W., Zheng Y.R., "Limit analysis of vertical anti-pulling screw pile group under inclined loading on 3D elastic-plastic finite element strength reduction method", Journal of central south university, Vol. 21 (2014) 1165-1175.
136. Prasad Y.V., Rao S.N., "Lateral capacity of helical piles in clays", Journal of Geotechnical Engineering, Vol. 122 (1996) 938-941.
137. Sakr M., "Performance of helical piles in oil sand", Canadian Geotechnical Journal, 46 (2009) 1046-1061.
138. Sakr M., "Installation and performance characteristics of high capacity helical piles in cohesionless soils", DFI Journal-The Journal of the Deep Foundations Institute, Vol. 5 (2011) 39-57.
139. Laefer D.F., Manke J.P., Tucker J.E., Batten Y., "Challenges and solutions to model-scale testing for composite deep foundations for existing foundation enhancement", Contemporary Issues In Deep Foundations, (2007) 1-10.
140. Maier J.L., Oskoorouchi A.M., "Increasing lateral capacity of helical piles with lateral restraint devices", International Conferences on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics. 15., (2010).
141. Sakr M., "Retracted: relationship between installation torque and axial capacities of helical piles in cohesionless soils", Journal of performance of constructed facilities, Vol. 29 (2014) 04014173.
142. Mosquera Z.Z., Tsuha C.d.H., Beck A.T., "Serviceability performance evaluation of helical piles under uplift loading", Journal of performance of constructed facilities, 30 (2015) 04015070.
143. Spagnoli G., "A CPT-based model to predict the installation torque of helical piles in sand", Marine georesources & geotechnology, Vol. 35 (2017) 578-585.
144. Dinh B., Liu J., Dunn J., Zhang J., Huang P., "Long-term lateral resistance of helical piles in cohesive soils", Paper presented at the 67th Canadian Geotechnical Conference GeoRegina, (2014).
145. Nagata M., Hirata H., "Study on uplift resistance of screwed steel pile", Nippon Steel Technical Report, Vol. 92 (2005) 73–78.
146. Elkasabgy M., El Naggar M.H., "Axial compressive response of large-capacity helical and driven steel piles in cohesive soil", Canadian Geotechnical Journal, Vol. 52 (2014) 224-243.
147. Labuda T., Corley G.W., Murphy M., "Failure investigation of a helical anchor tie-down system supporting an olympic size swimming pool", In Seventh International Conference on Case Histories in Geotechnical Engineering, (2013).
148. Fairbairn M.H., Goen L., Herron J., Seider G.L., "Axial tension and lateral capacity of step-tapered helical piles for transmission pole structures", IFCEE 2015, (2015) 839-850.
149. Elkasabgy M.A., El Naggar M.H., "Lateral performance of large-capacity helical piles. IFCEE 2015, (2015) 868-877.
150. Bagheri F., El Naggar M., "Effects of installation disturbance on behavior of multi-helix piles in structured clays", DFI Journal-The Journal of the Deep Foundations Institute, Vol. 9 (2015) 80-91.
151. Malik A.A., Kuwano J., Tachibana S., Maejima T., "End bearing capacity comparison of screw pile with straight pipe pile under similar ground conditions", Acta Geotechnica, Vol. 12 (2017) 415-428.
152. Na K., Lee D., Lee H., Jung K., Choi H., "Optimum configuration of helical piles with material cost minimized by harmony search algorithm", Harmony Search Algorithm, (2016) 329-340.
153. Hawkins K., Thorsten R., "Load test results—large diameter helical pipe piles", Contemporary Topics in Deep Foundations, (2009) 488-495.
154. Sakr M., "Lateral resistance of high capacity helical piles–case study", Paper presented at the Proceedings of the 63rd Canadian Geotechnical and 6th Canadian Permafrost Conference. Calgary, Alberta, (2010).
155. Sakr M., "Lateral resistance of helical piles in oil sands", Contemporary Topics in Deep Foundations, (2009) 464-471.
156. Demir A., Ok B., "Uplift response of multi-plate helical anchors in cohesive soil", Geomechanics and Engineering, Vol. 8 (2015) 615-630.
157. Al-Baghdadi T., Brown M., Knappett J., Ishikura R., "Modelling of laterally loaded screw piles with large helical plates in sand", The 3rd International Symposium on Frontiers in Offshore Geotechnics, ISFOG, (2015).
158. Zou W.L., Wang X.Q., Vanapalli S.K., "Experimental evaluation of engineering properties of GFRP screw anchors for anchoring applications", Journal of Materials in Civil Engineering, Vol. 28 (2016) 04016029.
159. Aydin M., Bradka T.D., Kort D.A., "Osterberg cell load testing on helical piles", Geo-Frontiers 2011: Advances in Geotechnical Engineering, (2011) 66-74.
160. Wang X., Lu J., Wang Z., "Application of frp screw anchor and geosynthetics in repairing of canal slope of expansive soils", Paper presented at the Mechanic Automation and Control Engineering., (MACE), (2010).
161. Elsherbiny Z., El Naggar M., "The performance of helical pile groups under compressive loads: a numerical investigation", The 18th international conference on soil mechanics and geotechnical engineering, Paris, (2013).
162. Cannon J., "The application of high strain dynamic pile testing to screwed steel piles", Paper presented at the Sixth International Conference on the Application of Stress-Wave Theory to Piles, (2000).
163. Tokhi H., Ren G., Li J., "Laboratory study of a new screw nail and its interaction in sand. Computers and Geotechnics, Vol. 78 (2016) 144-154.
164. Sharma M., Samanta M., Sarkar S., "Laboratory study on pullout capacity of helical soil nail in cohesionless soil", Canadian Geotechnical Journal, Vol. 54 (2017) 1482-1495.
165. Sakr M., Nazir A., Azzam W., Sallam A., "Uplift capacity of group screw piles with grouted shafts in sand", Capacité d'élévation des pieux à visser de groupe avec des arbres cimentés dans le sable, (2017).
166. Klosky J.L., Sture S., Ko H.Y., Barnes F., "Helical anchors for combined anchoring and soil testing in lunar operations", Space 98, (1998) 489-494.
167. Merifield R., Smith C., "The ultimate uplift capacity of multi-plate strip anchors in undrained clay", Computers and Geotechnics, Vol. 37 (2010) 504-514.
168. Vyazmensky A., Shuttle D., Howie J., "Coupled modelling Of observed pore pressure dissipation after helical pile installation", The Proceeding of the 57th Canadian Geotechnical Society Conference, Quebec, (2004).
169. Rawat S., Gupta A.K., Kumar A., "Pullout of soil nail with circular discs: A three-dimensional finite element analysis", Journal of Rock Mechanics and Geotechnical Engineering, Vol. 9 (2017) 967-980.
170. Ghaly A., Hanna A., "Ultimate pullout resistance of single vertical anchors", Canadian Geotechnical Journal, Vol. 31 (1994) 661-672.
171. Cerato A., Vargas T., Allred S., "A critical review: State of knowledge in seismic behaviour of helical piles", DFI Journal-The Journal of the Deep Foundations Institute, Vol. 11 (2017) 39-87.
172. Schiavon J.A., Tsuha C.d.H.C., Thorel L., "Cyclic and post-cyclic monotonic response of a single-helix anchor in sand", Geotechnique Letters, Vol. 7 (2017) 11-17.
173. Newgard J., Schneider J., Thompson D., "Cyclic response of shallow helical anchors in a medium dense sand", The 3rd International Symposium on Frontiers in Offshore Geotechnics (ISFOG 2015), Vol. 1 (2015) 913-918.
174. Li W., Zhang D., Sego D., Deng L., "Field testing of axial performance of large-diameter helical piles at two soil sites", Journal of geotechnical and geoenvironmental engineering, Vol. 144 (2017) 06017021.
175. Al-Baghdadi T., Davidson C., Brown M., Knappett J., Brennan A., Augarde C., Blake A., "CPT based design procedure for installation torque prediction for screw piles installed in sand", (2017).
176. Al-Baghdadi T., Brown M.J., Knappett J.A., "Development of an inflight centrifuge screw pile installation and loading system", The 3rd European Conference on Physical Modelling in Geotechnics, (2016).
177. Doust T., "Design and performance of screw piles", The UNSW Canberra at ADFA Journal of Undergraduate Engineering Research, Vol. 6 (2014).
178. Fang Y.F., Gao HX., Duan W.W., Sun Z.J., "Theoretical analysis and experimental research on upward capacity of screw anchor", Paper presented at the Advanced Materials Research, (2011).
179. Raju K., Vanishree P., "Lateral load carrying capacity of helical piles in sand", IJASRE, Vol. 3 (2017).
180. Khan U., Siddiqua S., "Study of compressive loading capacities of helical piles using torque method and induced settlements", Environmental Earth Sciences, Vol. 77 (2018) 22.
181. Wang L., Coombs W.M., Augarde C.E., Brown M., Knappett J., Brennan A., Blake A., "Modelling screwpile installation using the MPM", Procedia Engineering, Vol. 175 (2017) 124-132.
182. Aouadi F., Ghebrab T., Soroushian P., "Reliable and convenient multi-helix soil anchor for deployable structures", Geotechnical and Geological Engineering, Vol. 36 (2018) 2611-2623.
183. Nabizadeh F., Janalizadeh Choobbasti A., "The performance of grouted and un-grouted helical piles in sand", International Journal of Geotechnical Engineering, (2017) 1-9.
184. Beales Ferguson T., Reid S., Patel D., "A study of helical pile design and construction practices, (2015).
185. Mosallanezhad M., Moayedi H., "Developing hybrid artificial neural network model for predicting uplift resistance of screw piles", Arabian Journal of Geosciences, Vol. 10 (2017) 479.
186. Fateh A.M.A., Eslami A., Fahimifar A., "A study of the axial load behaviour of helical piles in sand by frustum confining vessel", International Journal of Physical Modelling in Geotechnics, Vol. 18 (2017) 175-190.
187. Al-Baghdadi T.A., Brown M.J., Knappett J.A., Al-Defae A.H., "Effects of vertical loading on lateral screw pile performance", Proceedings of the Institution of Civil Engineers-Geotechnical Engineering, Vol. 170 (2017) 259-272.
188. Fahmy A., El Naggar M.H., "Axial and lateral performance of spun-cast ductile iron helical tapered piles in clay", Proceedings of the Institution of Civil Engineers-Geotechnical Engineering, Vol. 170 (2017) 503-516.
189. Akl S., Elhami O., Abu-Keifa M., "Investigation of the mobilized strain wedge by laterally loaded helical piles, (2016).
190. Rawat S., Gupta A.K., "Numerical modelling of pullout of helical soil nail", Journal of Rock Mechanics and Geotechnical Engineering, Vol. 9 (2017) 648-658.
191. George B.E., Banerjee S., Gandhi S.R., "Numerical analysis of helical piles in cohesionless soil", International Journal of Geotechnical Engineering, (2017) 1-15.
192. S Spagnoli G., Mendez Solarte C.M., de Hollanda Cavalcanti Tsuha C, Oreste P., "Parametric analysis for the estimation of the installation power for large helical piles in dry cohesionless soils", (2018) 1-11.
193. Doering R., Robertson R., "Screw anchor buoyancy control saves an estimated $12 million for enbridge pipeline", Paper presented at the 2000 3rd International Pipeline Conference, (2000).
194. Wang T., Liu J., Tai B., Zang C., Zhang Z., "Frost jacking characteristics of screw piles in seasonally frozen regions based on thermo-mechanical simulations", Computers and Geotechnics, Vol. 91 (2017) 27-38.
195. Harnish J., El Naggar M.H., "Large-diameter helical pile capacity–torque correlations", Canadian Geotechnical Journal, Vol. 54 (2017) 968-986.
196. Nagai H., Tsuchiya T., Shimada M., "Influence of installation method on performance of screwed pile and evaluation of pulling resistance", Soils and Foundations, Vol. 58 (2018) 355-369.
197. Manzanal D., Sfriso A., "The occurrence of residual stresses in helical piles", Ios Press, Amsterdam, (2015).
198. Wang T., Liu J., Tian Y., Lv P., "Frost jacking characteristics of screw piles by model testing", Cold Regions Science and Technology, Vol. 138 (2017) 98-107.
199. Muthukumar M., Shukla S.K., "Comparative study on the behaviour of granular pile anchors and helical pile anchors in expansive soils subjected to swelling", International Journal of Geotechnical Engineering, (2017) 1-6.
200. Tokhi H., Ren G., Li J., "Laboratory pullout resistance of a new screw soil nail in residual soil", Canadian Geotechnical Journal, Vol. 55 (2017) 609-619.
201. Sakr M., "Performance of laterally loaded helical piles in clayey soils established from field experience", DFI Journal-The Journal of the Deep Foundations Institute, (2018) 1-14.
202. Ghosh P., Samal S., "Interaction effect of group of helical anchors in cohesive soil using finite element analysis", Geotechnical and Geological Engineering, Vol. 35 (2017) 1475-1490.
203. Fahmy A., El Naggar M.H., "Axial performance of helical tapered piles in sand", Geotechnical and Geological Engineering, Vol. 35 (2017) 1549-1576.
204. Albusoda B.S., Abbase H.O., "Performance assessment of single and group of helical piles embedded in expansive soil", International Journal of Geo-Engineering, Vol. 8 (2017) 25.
205. Al-Busoda B.S., Abbase H.O., "Helical piles embedded in expansive soil overlaying sandy soil", Al-Khwarizmi Engineering Journal, Vol. 12 (2017) 19-25.
206. Fahmy A., El Naggar M., "Cyclic lateral performance of helical tapered piles in silty sand", DFI Journal-The Journal of the Deep Foundations Institute, Vol. 10 (2016) 111-124.
207. Polishchuk A., Maksimov F., "Numerical analysis of helical pile–soil interaction under compressive loads", Paper presented at the IOP Conference Series: Materials Science and Engineering, (2017).
208. P Polishchuk A, Maksimov F., "Engineering method of calculating the settlement of two-bladed screw pile in clayey soil", Soil mechanics and foundation engineering, Vol. 54 (2018) 377-383.
209. Fatnanta F., Satibi S., "Bearing capacity of helical pile foundation in peat soil from different, diameter and spacing of helical plates", In IOP Conference Series: Materials Science and Engineering, Vol. 316 (2018) 012035).
210. Lanyi-Bennett S.A., Deng L., "Axial load testing of helical pile groups in a glaciolacustrine clay", Canadian Geotechnical Journal(ja), (2018).
211. Li W., Deng L., "Axial load tests and numerical modeling of single-helix piles in cohesive and cohesionless soils", Acta Geotechnica, (2018) 1-15.
212. Tang C., Phoon K.K., "Statistics of model factors and consideration in reliability-based design of axially loaded helical piles", Journal of geotechnical and geoenvironmental engineering, Vol. 144 (2018), 04018050.
213. Wheeler L.N., Hendry M.T., Take W.A., Hoult N.A., "Field performance of a peat railway subgrade reinforced with helical screw piles", Canadian Geotechnical Journal(ja), (2018).
214. Deardorff D., Luna R., "LRFD for helical anchors: An overview", Contemporary Topics in Deep Foundations, (2009) 480-487.
215. Nazir R., Chuan H.S., Niroumand H., Kassim K.A., "Performance of single vertical helical anchor embedded in dry sand", Measurement, Vol. 49 (2014) 42-51.
216. Kawai M., Ichikawa K., Kono K., "Development of new type of screwed pile with large bearing capacity and ecological driving method “Tsubasa PileTM”", The Congrès International de Géotechnique–Ouvrages–Structures, (2017).
217. Elkasabgy M., El Naggar M.H., "Lateral vibration of helical and driven steel piles installed in clayey soil", Journal of geotechnical and geoenvironmental engineering, 144 (2018) 06018009.
218. Pérez Z.A., Schiavon J.A., Tsuha C.d.H.C., Dias D., Thorel L., "Numerical and experimental study on influence of installation effects on behaviour of helical anchors in very dense sand", (2017) 1-14.
219. Schiavon J.A., Tsuha C.d.H.C., Neel A., Thorel L., "Centrifuge modelling of a helical anchor under different cyclic loading conditions in sand", International Journal of Physical Modelling in Geotechnics, (2018) 1-17.
220. Kim D., Baek K., Park K., "Analysis of bearing capacity of helical pile with hexagon joints", Materials, Vol. 11 (2018) 1890.
221. Ding H., Wang L., Zhang P., Le C., "Study on the lateral bearing capacity of single-helix pile for offshore wind power", The ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering, (2018).
222. Lesny K., Uchtmann M., "Suitability of helical anchors for mooring a wave energy converting system", Paper presented at the Vietnam Symposium on Advances in Offshore Engineering, (2018).
223. Hao D., Wang D., O'Loughlin C.D., Gaudin C., "Tensile monotonic capacity of helical anchors in sand: interaction between helices", Canadian Geotechnical Journal (ja), (2018).
224. Lutenegger A.J., "Load tests on grouted shaft helical micropiles in some UK soils", Geotechnical Engineering for Infrastructure and Development, (2015) 2987-2992.
225. Lutenegger A., "Axial uplift of square-shaft single-helix helical anchor groups in Clay", Paper presented at the IFCEE 2018 Orlando, Florida, (2018).
226. Davidson C., Al-Baghdadi T., Brown M., Knappett J., Brennan A., Augarde C., Blake A., "A modified CPT based installation torque prediction for large screw piles in sand", CRC Press, (2018).
227. Motamedinia H., Hataf N., Habibagahi G., "A study on failure surface of helical anchors in sand by PIV/DIC technique", International Journal of Civil Engineering, Vol. 17 (2019) 1813-1827.
228. Arsyad A., Ratu I.H., "The effect of helix piles-raft foundation on elastic and consolidation settlements in tropical fibrous peat soil", In International Congress and Exhibition, (2018) 246-256.
229. Hanna A., Ghaly A., "Ultimate pullout resistance of groups of vertical anchors", Canadian Geotechnical Journal, Vol. 31 (1994) 673-682.
230. Davidson C., Al-Baghdadi T., Brown M., Brennan A., Knappett J., Augarde C., Blake A., "Centrifuge modelling of screw piles for offshore wind energy foundations", Physical Modelling in Geotechnics, Vol. 1 (2018) 696-700.
231. Spagnoli G., de Hollanda Cavalcanti Tsuha C., Oreste P., Mauricio Mendez Solarte C., "Estimation of uplift capacity and installation power of helical piles in sand for offshore structures", Vol. 144 (2018) 04018019.
232. Santos Filho J., Henriquez L., Tsuha C., "Evaluation of Two Alternative Solutions to Improve the Performance of Helical Anchors", COBRAMSEG , At Salvador, Brazil, (2018).
233. El Sharnouby M.M., El Naggar M.H., "Field investigation of lateral monotonic and cyclic performance of reinforced helical pulldown micropiles", Canadian Geotechnical Journal, Vol. 55 (2018) 1405-1420.
234. Al-Busoda B.S., Abbas H.O., "Numerical simulation of mitigation of soil swelling problem under communication tower ssing helical piles", Journal of Geotechnical Engineering, Vol. 4 (2018) 35-46.
235. Polishchuk A., Maksimov F., "Improved design for settlement of helical pile in clay", Paper presented at the IOP Conference Series: Materials Science and Engineering, (2018).
236. Tang C., Phoon K.K., "Statistical evaluation of model factors in reliability calibration of high-displacement helical piles under axial loading", Canadian Geotechnical Journal, Vol. 57 (2020) 246-262.
237. Tsuha C., Schiavon J., Thorel L., "Evaluation of the Breakout Factor for Helical Anchors in Sand by Centrifuge Testing", The XVI Pan-American Conference on Soil Mechanics and Geotechnical Engineering (XVI PCSMGE), (2019).
238. Schiavon J.A., Tsuha C.D.H.C., Thorel L., "Monotonic, cyclic and post-cyclic performances of single-helix anchor in residual soil of sandstone", Journal of Rock Mechanics and Geotechnical Engineering, Vol. 11 (2019) 824-836.
239. Spagnoli G., Tsuha C.D.H.C., "A review on the behavior of helical piles as a potential offshore foundation system", Marine Georesources & Geotechnology, (2020) 1-24.
240. ElSawy M.K., El Naggar M.H., Cerato A.B., Elgamal A.W., "Data Reduction and Dynamic p-y Curves of Helical Piles from Large-Scale Shake Table Tests", Geotechnical and Geoenvironmental Engineering, Vol. 145 (2019) 04019075.
241. Elsawy M.K., El Naggar M.H., Cerato A., Elgamal A., "Seismic performance of helical piles in dry sand from large-scale shaking table tests", Géotechnique, Vol. 69 (2019) 1071-1085.
242. George B.E., Banerjee S., Gandhi S.R., "Helical Piles Installed in Cohesionless Soil by Displacement Method", International Journal of Geomechanics, Vol. 19 (2019) 04019074.
243. Elkasabgy M., El Naggar M.H., "Lateral Performance and p-y Curves for Large-Capacity Helical Piles Installed in Clayey Glacial Deposit", Journal of Geotechnical and Geoenvironmental Engineering, Vol. 145 (2019) 04019078.
244. Mahmoudi-Mehrizi M.E., Daghigh Y., Nazariafshar J., "Physical Modeling of the Helical Anchor Walls’ Behavior Using Particle Image Velocity", Indian Geotechnical Journal, (2019) 1-17.
245. Spagnoli G., Tsuha C.D.H.C., Oreste P., Mendez Solarte C.M., "A sensitivity analysis on the parameters affecting large diameter helical pile installation torque, depth and installation power for offshore applications" Vol. 12 (2018).
246. Pandey A., Chauhan V.B., "Numerical Analysis for the Evaluation of Pull-Out Capacity of Helical Anchors in Sand", In International Congress and Exhibition" Sustainable Civil Infrastructures”: 207-218. Springer, Cham, (2019).
247. Pandey A., Chauhan V.B., "Evaluation of Pull-Out Capacity of Helical Anchors in Clay Using Finite Element Analysis", In Geo-Congress,, (2020).
248. Abbas H.O., Ali O.K., "Parameters Affecting Screw Pile Capacity Embedded in Soft Clay Overlaying Dense Sandy Soil", MS&E, Vol. 745 (2020) 012117.
249. Cerfontaine B., Knappett J., Brown M., Davidson C., Sharif Y., "Screw pile design optimisation under tension in sand", In 17th European Conference on soil Mechanics and Geotechnical Engineering, Geotechnical Society, (2019).
250. Ding H., Wang L., Zhang P., Liang Y., Tian Y., Qi X., "The Recycling Torque of a Single-Plate Helical Pile for Offshore Wind Turbines in Dense Sand", Applied Sciences, Vol. 9 (2019) 4105.
251. Brown M.J., Davidson C., Cerfontaine B., Ciantia M., Knappett J., Brennan A., "Developing screw piles for offshore renewable energy application", Advances in Offshore Geotechnics: Proceedings of ISOG2019, Vol. 92 (2020).
252. Brown M., "Screw pile research at the University of Dundee", ISSPEA, (2019).
253. Lutenegger A., "Screw piles and helical anchors–what we know and what we don’t know: an academic perspective–2019. ISSPEA (2019).
254. Brown M., Davidson C., Brennan A., Knappett J., Cerfontaine B., Sharif Y., "Physical modelling of screw piles for offshore wind energy foundations", In 1st International Symposium on Screw Piles for Energy Applications, (2019).
255. Wang L., Coombs W., Augarde C., "A 3D material point method for geotechnical engineering", ISSPEA, (2019).
256. Richards D.J., Blake A.P., White D.J., Bittar E.M., Lehane B.M., "Field tests assessing the installation performance of screw pile geometries optimised for offshore wind applications", ISSPEA, (2019).
257. Pavan Kumar P., Patra S., Haldar S., "A critical review on design aspects of screw piles for renewable energy devices", In Proceedings of the 1st International Symposium on Screw Piles for Energy Applications, ISSPEA, (2019).
258. Cerfontaine B., Brown M., Knappett J., Davidson C., "Finite element modelling of the uplift behaviour of screw piles in sand", In 1st International Symposium on Screw Piles for Energy Applications, (2019) 69-75.
259. Newgard J.T., Mccartney J.S., Schneider J.A., Thompson D.J., "Static and cyclic axial loading of single and multiplate helical anchors in sand", The 1st International Symposium on Screw Piles for Energy Applications, (2019) 81-86.
260. Elsherbiny Z., EL Naggar M.H., Elgamal A., "Effects of helical pile installation on the lateral stiffness for piles in dense sand", ISSPEA, (2019) 87.
261. Monforte Vila L., Arroyo Alvarez de Toledo M., Gens Solé A., Ciantia M.O., "G-PFEM numerical assessment of screw pile undrained capacity", In ISSPEA, (2019) 95-99.
262. Sharif Y.U., Brown M.J., Ciantia M.O., Knappett J.A., Davidson C., Cerfontaine B., Robinson S., Ball J., "Numerically modelling the installation and loading of screw piles using DEM", ISSPEA, (2019) 101.
263. Bradshaw A.S., Zuelke R., Hildebrandt L., Robertson T., Mandujano R., "Physical modelling of a helical pile installed in sand under constant crowd", ISSPEA, (2019) 109.
264. Polishchuk A.I., Maksimov F.A., Nikitina N.S., "Calculation method of single screw piles’ final settlement in the clay", In IOP Conference Series: Materials Science and Engineering 456 (2018) 12-25.
265. Soltani-Jigheh H., Zahedi P., "Load Transfer Mechanism of Screw Piles in Sandy Soils", Indian Geotechnical Journal, (2020) 1-9.
266. Wang L., Zhang P., Ding H., Tian Y., Qi X., "The uplift capacity of single-plate helical pile in shallow dense sand including the influence of installation", Marine Structures, Vol. 71 (2020) 102697.
267. Wang B., Moayedi H., Nguyen H., Foong L.K., "Feasibility of a novel predictive technique based on artificial neural network optimized with particle swarm optimization estimating pullout bearing capacity of helical piles", (2019) 1-10.
268. Reape D., Naughton P., "An experimental investigation of helical piles subject to inclined pullout loads (Doctoral dissertation, Institute of Technology, Sligo), (2017).
269. Aouadi F., Ghebrab T., Soroushian P., "Effect of Helical Surface Area on the Performance of a Multi-Helix Anchor", International Journal of Civil Engineering, (2020) 1-10.
270. Garakani A.A., Maleki J., "Load Capacity of Helical Piles with Different Geometrical Aspects in Sandy and Clayey Soils: A Numerical Study", In International Congress and Exhibition" Sustainable Civil Infrastructures”, (2019) 73-84.
271. Hu K., Tang Y., Jia F., Wang Y., "Structural Optimization of Flood Control Screw Piles: A Review", In IOP Conference Series: Materials Science and Engineering, Vol. 611 (2019) 12-49.
272. Sharma A., Guner S., "System-level modeling methodology for capturing the pile cap, helical pile group, and soil interaction under uplift loads", Engineering Structures, Vol. 220 (2020) 110977.
273. Cerfontaine B., et al., "A Finite Element approach for determining the full load-displacement relationship of axially-loaded shallow screw anchors, incorporating installation effects", Canadian geotechnical journal, (2020).
274. Alwalan M.F., El Naggar M.H., "Finite element analysis of helical piles subjected to axial impact loading", Computers and Geotechnics, Vol. 123 (2020) 103597.
275. Cerfontaine B., Knappett J.A., Brown M.J., Bradshaw A.S., "Effect of soil deformability on the failure mechanism of shallow plate or screw anchors in sand", Computers and Geotechnics, Vol. 109 (2019) 34-45.
276. Shahbazi M., et al., "Damping characteristics of full-scale grouped helical piles in dense sands subjected to small and large shaking events", Canadian Geotechnical Journal, Vol. 57 (2020) 801-814.
277. Hamed M., Canakci H., Khaleel O., "Performance of multi-helix pile embedded in organic soil under pull-out load", Transportation Infrastructure Geotechnology, Vol. 6 (2019) 56-66.
278. Ali O.K., Abbas H.O., "Performance Assessment of Screw Piles Embedded in Soft Clay", Civil Engineering Journal, Vol. 5 (2019) 1788-1798.
279. Malik A.A., Kuwano J., "Single Helix Screw Pile Behavior Under Compressive Loading/Unloading Cycles in Dense Sand", Geotech Geol Eng, Vol. 38 (2020) 5565–5575.
280. Malik A.A., Kuwano J., Tachibana S., Maejima T., "Effect of helix bending deflection on load settlement behaviour of screw pile", Acta Geotechnica, Vol. 14 (2019) 1527-1543.
281. Afzalian M., Medhi B., Eun J., Medhi T., "Retrofitting Uplift Capacity of Telecommunication Tower Foundation with Helical Piles in Dense Granular Soils", In Geo-Congress, (2020) 239-245.
282. Orang M.J., Motamed R., Toth J., "Experimental Evaluation of Dynamic Response of Helical Piles in Dry Sand using 1g Shaking Table Tests", In 7th International Conference on Earthquake Geotechnical Engineering, (2019).
283. Cortes-Garcia L.D., Landon M.E., Gallant A.P., Huguenard K.D., "Assessment of Helical Anchor Capacity in Marine Clays for Aquaculture Applications", In Geo-Congress 2019: Foundations, (2019) 299-307.
284. Sharma P., Rawat S., Gupta A.K., "Horizontal Pullout Behavior of Novel Open-Ended Pipe Helical Soil Nail in Frictional Soil", International Journal of Civil Engineering, Vol. 18 (2020) 1179-1194.
285. Kwon O., Lee J., Kim G., Kim I., Lee J., "Investigation of pullout load capacity for helical anchors subjected to inclined loading conditions using coupled Eulerian-Lagrangian analyses", Computers and Geotechnics (2019).
286. Dib M., Kouloughli S., Hecini M., "Numerical analysis of high capacity helical piles subjected to ground movement in weathered unstable clayey slope", Computers and Geotechnics, Vol. 110 (2019) 319-325.
287. Santos Filho J.M.D., Tsuha C.D.H.C., "Uplift performance of helical piles with cement injection in residual soils", Canadian Geotechnical Journal, Vol. 57 (2020) 1335-1355.
288. Lee J., Kwon O., Kim I., Kim G., Lee J., "Cyclic pullout behavior of helical anchors for offshore floating structures under inclined loading condition", Applied Ocean Research, Vol. 92 (2019) 101937.
289. Alekseev A.G., Bezvolev S.G., Sazonov P.M., "Experience of Using Multi-Blade Screw Piles in Silt-Loam Soil Foundation", Soil Mechanics and Foundation Engineering, Vol. 55 (2019) 387-393.
290. Alekseev A.G., Bezvolev S.G., "In-Situ Customization of the Helical Pile Design Procedure Using Plaxis 2D", Soil Mechanics and Foundation Engineering, (2020) 1-7.
291. Bak J., Choi B.H., Lee J., Bae J., Lee K., Kim D., "Behaviour of Single and Group Helical Piles in Sands from Model Experiments", In MATEC Web of Conferences, 278: 3007. EDP Sciences, (2019).
292. Mahmoudi-Mehrizi M.E., Jalali Moghadam M., "Comparing the performance of helical anchors and direct-embedded plate anchors in cohesionless soil for top-down retaining walls stabilization: An experimental study", (2020) 31-45.
293.Mahmoudi-Mehrizi M.E., Ghanbari A., Sabermahani M., "Investigating the Effect of Grout on Improving the Performance of Helical Anchors Used in Wall Stabilization", Transportation Infrastructure Geotechnology: (2020) 1-22.
294. Sharma M., Choudhury D., Samanta M., Sarkar S., Annapareddy V.R., "Analysis of helical soil-nailed walls under static and seismic conditions", Canadian Geotechnical Journal, Vol. 57 (2020) 815-827.
295. Lanyi-Bennett S.A., Deng L., "Effects of inter-helix spacing and short-term soil setup on the behaviour of axially loaded helical piles in cohesive soil", Soils and Foundations, Vol. 59 (2019) 337-350.
296. Nasreen N., Khan A.K., Jena S.S., "Performance Study of Single Helix Embedded in Cohesionless Soil Under Pull-Out Load", In Recent Developments in Sustainable Infrastructure, (2020) 125-139. Springer, Singapore.
297. Cerfontaine B., Knappett J., Brown M., Bradsaw A.S., "Design of plate and screw anchors in dense sand: failure mechanism, capacity and deformation",IS-Glasgow 2019, (2019) 1-6.
298. Mahmoudi-Mehrizi M.E., Ghanbari A., Sabermahani M., "The study of configuration effect of helical anchor group on retaining wall displacement", Geomechanics and Geoengineering, (2020) 1-15.
299. AC358., "Acceptance Criteria for Helical Foundation Systems and Devices", International Code Council Evaluation Service (ICC-ES), (2007).
300. Council IC., "International building code", Washington, D.C., (2009).
301. Perko H., "Creating acceptance for helical foundations", Feature Article, Code Updates, Code Developments and Announcements, Structure Magazine, December Issue, (2007).
303. Mahmoudi Mehrizi M.E., Daghigh Y., Nazariafshar J., "A laboratory study on the effect of anchor shape on the displacement of stabilized wall with helical anchors", Journal of Engineering Geology, Vol. 14 (2020) 149-174.
303. Nazariafshar J., Mahmoudi Mehrizi M.E., Daghigh Y., "Physical modeling for evaluating the effect of helical anchor configuration and surcharge on wall displacement", Amirkabir Journal of Civil Engineering, (2020).
304. Mahmoudi-Mehrizi M.E., Jalali Moghadam M., "Mechanical ground anchor design and construction", Iran: Amirkabir ACECR, (2016).