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| Bearing Mechanism and Calculation Method of Screw Pile |
| LI Chengwei,CHEN Jinjian,WU Qiong,XIA Xiaohe,WANG Jianhua |
| (Department of Civil Engineering, Shanghai Jiaotong University, Shanghai 200240, China) |
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Abstract The vertical bearing mechanism of screw piles was studied by the model test and numerical analysis. The results of the analysis show that the bearing capacity of the screw piles depends on the soil shear strength and a shear zone along the pile will take place in the surrounding soil under ultimate load. Parameter analysis was presented including the pilesoil interface properties, the soil shear strength, and the design parameters of the screw pile. The parameter study indicates that the key factors influence the vertical bearing capacity of screw piles are the soil shear strength, the screw pitch and the width of screw. A calculation method was obtained based on the field test and numerical results.
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Received: 27 October 2009
Published: 30 June 2010
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| [1] |
XI Xiao-Zhou, CHEN Long-Zhu. Analytical Fitting Method of Loading-Displacement Curve for Upper PileSegment under O-Cell Pile Testing[J]. J. Shanghai Jiaotong Univ.(Sci.) , 2011, 45(10): 1498-1503. |
| [2] |
DING Yong-Chun, ZHOU Shun-Xin, WANG Jian-Hua. Three-Dimensional Numerical Analysis of Soil Nailing for Deep Excavation[J]. J. Shanghai Jiaotong Univ.(Sci.) , 2011, 45(04): 547-552. |
| [3] |
LIU Jing,CHEN Jinjian,WANG Jianhua . FluidStructure Coupling Analysis of Dewatering and Excavation in 500 kV Shanghai Expo Underground Substation [J]. J. Shanghai Jiaotong Univ.(Sci.) , 2010, 44(06): 721-0725. |
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