Lateral characteristics of rigid piles under large displacement

2018 International Conference on Civil, Architecture and Disaster Prevention

土木建筑工程

Hu, Haibo^1 ; Feng, Zhongju^1 ; Zhao, Yawan^1 ; Feng, Kai^1 ; Jiang, Guan^1 ; Dong, Yunxiu^1^2 ; Wu, Min^1 ; He, Jingbin^1

Highway College, Chang'An University, Xi'an, Shaanxi

710064, China^1

School of Civil Engineering, Longdong University, Qingyang, Gansu

745000, China^2

关键词: Large displacements;    Linear growth;    Model test datum;    Numerical simulation method;    Plastic yielding;    Rigid piles;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/218/1/012027/pdf
DOI  :  10.1088/1755-1315/218/1/012027

学科分类：土木及结构工程学

来源: IOP

【 摘 要 】

Based on the model test data and the numerical simulation method, the characteristics of rigid piles under large displacement are studied in this paper. The results show that the bending moment of the pile has a linear growth in the cantilever segment, when the distance from the top of the pile is greater than 0.7m, the increasing trend of the pile's bending moment gradually slows down, the bending moment of the pile becomes the maximum when the distance from the top of the pile is 1.1m, and the bending moment tending to 0 near the bottom of pile. In the case of large displacement, the soil in front of the pile shows obvious plastic yielding, and the soil resistance of the pile is no longer linearly increased with the increase of load.