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Numerical Analysis of the Pile Lateral Behavior and Anti-Slip Mechanism of Rigid Pile Supported Embankments
Finite difference numerical method was adopted to analyze the contribution of piles to the overall stability of pile supported embankments. The stability analysis of a stable pile supported embankment was first performed and the lateral behavior of piles at different locations with respect to the embankment was analyzed. Then by applying a uniform load on the top of the embankment, the pile lateral behavior and possible failure modes were analyzed and compared for piled embankments with different factors of safety. Based on the numerical results, the piles and the soils under and outside the embankment were divided into three zones, namely the extension-bending zone, the shear zone, and the compression-bending zone. The piles located in these three zones exhibit different behavior and have different anti-slip mechanisms. Consequently, the piles at different locations may have different failure modes at the failure of the embankment and have different contributions to the stability of the piled embankment.
Numerical Analysis of the Pile Lateral Behavior and Anti-Slip Mechanism of Rigid Pile Supported Embankments
Finite difference numerical method was adopted to analyze the contribution of piles to the overall stability of pile supported embankments. The stability analysis of a stable pile supported embankment was first performed and the lateral behavior of piles at different locations with respect to the embankment was analyzed. Then by applying a uniform load on the top of the embankment, the pile lateral behavior and possible failure modes were analyzed and compared for piled embankments with different factors of safety. Based on the numerical results, the piles and the soils under and outside the embankment were divided into three zones, namely the extension-bending zone, the shear zone, and the compression-bending zone. The piles located in these three zones exhibit different behavior and have different anti-slip mechanisms. Consequently, the piles at different locations may have different failure modes at the failure of the embankment and have different contributions to the stability of the piled embankment.
Numerical Analysis of the Pile Lateral Behavior and Anti-Slip Mechanism of Rigid Pile Supported Embankments
Zheng, Gang (author) / Liu, Li (author)
U.S.-China Workshop on Ground Improvement Technologies 2009 ; 2009 ; Orlando, Florida, United States
Advances in Ground Improvement ; 63-72
2009-03-10
Conference paper
Electronic Resource
English
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