[Home ] [Archive]   [ فارسی ]  
:: Main About Current Issue Archive Search Submit Contact ::
:: Volume 7, Issue 2 (3-2014) ::
2014, 7(2): 1901-1916 Back to browse issues page
Prediction of Cell Pressure Error Utilizing GEP Procedure (A case study: Alborz embankment dam, Mazandaran, Iran)
Maryam Nikooee *1, Ali Noorzad, Kaveh Ahangari
1- student , nikooee_maryam@yahoo.com
Abstract:   (7274 Views)
Determination of stress in earthfill dams is one of the most important parameters in dam safety studies. Stress monitoring can be done using total pressure cells which are typically installed during construction. The cell is installed with its sensitive surface in direct contact with the soil to measure total stress of soil and in combination with piezometers to measure pore-water pressure acting in the soil mass. Total pressure cells needs to be installed with care to get reasonable measurements. However, measurements are often incompatible with the theoretical predictions such that pressure cell results usually have some inaccuracies. There are several parameters effecting pressure cell errors. However, in the present paper it is only focused on the height of embankment and the duration of dam construction. For this purpose, a case study, namely Alborz embankment dam located in northern part of Iran was studied. It is an earth dam with clay core with a height of 78 m. Using the monitoring data and considering the effect of embankment height and construction period parameters, a model is presented to predict the pressure cells error with Gene Expression Programming (GEP) procedure by GeneXProTools 4.0 software. The computed coefficient of correlation (R2) for the proposed model is 0.98 showing a good agreement with the monitoring data. The obtained results indicate that the ratio of height difference to time difference for Alborz dam has a significant role in dam pressure cells errors
Keywords: stress, Total pressure cell, Earthfill dam, GEP, Alborz dam
Full-Text [PDF 888 kb]   (1376 Downloads)    
Type of Study: Research Paper | Subject: Geotecnic
Accepted: 2016/10/5 | Published: 2016/10/5
Add your comments about this article
Your username or Email:

CAPTCHA


XML   Persian Abstract   Print


Download citation:
BibTeX | RIS | EndNote | Medlars | ProCite | Reference Manager | RefWorks
Send citation to:

nikooee M, noorzad A, ahangari K. Prediction of Cell Pressure Error Utilizing GEP Procedure (A case study: Alborz embankment dam, Mazandaran, Iran). Journal of Engineering Geology. 2014; 7 (2) :1901-1916
URL: http://jeg.khu.ac.ir/article-1-411-en.html


Rights and permissions
Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 7, Issue 2 (3-2014) Back to browse issues page
نشریه زمین شناسی مهندسی Journal of Engineering Geology
Persian site map - English site map - Created in 0.08 seconds with 30 queries by YEKTAWEB 4419