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|Title:||Behavior of pile subject to excavation-induced soil movement|
|Authors:||Leung, C.F. |
|Citation:||Leung, C.F., Chow, Y.K., Shen, R.F. (2000-11). Behavior of pile subject to excavation-induced soil movement. Journal of Geotechnical and Geoenvironmental Engineering 126 (11) : 947-954. ScholarBank@NUS Repository. https://doi.org/10.1061/(ASCE)1090-0241(2000)126:11(947)|
|Abstract:||This paper presents the results of centrifuge model tests on unstrutted deep excavation in dense sand and its influence on an adjacent single pile foundation behind the retaining wall. It is found that, in the case of a stable wall, the induced pile bending moment and deflection decrease exponentially with increasing distance between the pile and the wall. Pile head boundary condition plays an important role in affecting the pile responses due to an adjacent excavation. In the case of retaining wall collapse, the failure pattern of the soil behind the wall features a slip plane projecting from near the wall toe to the ground surface. Soil within the failure zone demonstrates large lateral movement and induces significant bending moment and deflection on pile located within the zone. Soil movement and pile responses outside this zone are noted to be significantly less. A comparison between the experimental results and the theoretical predictions by an existing numerical method shows good agreement, provided that appropriate assumptions are made on the soil parameters and conditions, especially in the case of retaining wall collapse.|
|Source Title:||Journal of Geotechnical and Geoenvironmental Engineering|
|Appears in Collections:||Staff Publications|
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