Stability and Deformation of Sheet Pile Walls for Protecting Riverside Structures in the Mekong River Delta

American Society of Civil Engineers
Publication Type:
Conference Proceeding
GEOCONGRESS 2013, 2013, pp. 1349 - 1358
Issue Date:
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Regions of the Mekong River Delta consist of soft soil, which causes significant issues on the stability and deformation of the surrounding structures, especially the riverside structures. Sheet pile walls are considered as one of the effective methods used to support the riverside structures against soil sliding and flooding. This paper presents a precise study on the stability and deformation of sheet pile walls constructed along the riverside areas in the Mekong River Delta. An approach founded on the limit equilibrium method is proposed to solve the equilibrium equations of lateral forces and moments. The proposed approach allows the designed depth of embedment to be determined by the factor of safety. Additionally, it is a simple method to analyze the performance of sheet walls in multi-layered ground conditions. A program code is written to implement the proposed method. In this paper, in order to evaluate the stability and deformation of the walls, the prediction results obtained by the developed method are compared to the results by finite element analysis. Furthermore, the results show that the predicted maximum lateral movement of the wall is in reasonable agreement with the field measurement.
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