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Title

INVESTIGATION OF STABILITY IN EARTH DAM USING ANSYS, AND GEO –STUDIO SOFTWARE

Pages

 Start Page 31 | End Page 40

Abstract

 Analysis of seepage and STABILITY is considered as an important case in designing which today, with advanced numeric software acceptable results will be obtained before and after Construction. In the present study, the behavior of EARTH DAM against effective factors was investigated by software ANSYS12. The studied dam is Maroun soil dam, which is located in 19Km north of Behbehan and constructed on Maroun River. This dam is soil- gravely dam. It was tried in this research that STABILITY of dam be evaluated by finite element method and ANSYS software, and then compare by software results like Geo-studio. At first Following, the STABILITY of dam slope was considered and the behavior of dam was stimulated by several methods and there were relatively same results for the amount of safety factor and unstable surface. Safety factor was 4.21 for upstream by bishop method in ANSYS and 4.71 in Geo-studio and for downstream 1.5, 1.8, respectively. Finally, the maximum and minimum amount of tension was determined by analyzing tension, strain and movement and the areas with different sediments and possible cracking and SUBSIDE regions were determined. In this part, both softwares provided relatively same results and the maximum amount of movement in dam estimated 5-6 meters. However, both softwares are best ones in analyzing and finite method and completely correct introducing of current conditions could have acceptable analyses.

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