LI Yurun,ZHANG Jian,RONG Xian.Recent advances and new problems in seismic behavior for vertical and batter pile foundation in liquefied soil[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2018,38(06):171-181.[doi:10.13197/j.eeev.2018.06.171.liyr.020]





Recent advances and new problems in seismic behavior for vertical and batter pile foundation in liquefied soil
李雨润12 张健1 戎贤12
1. 河北工业大学 土木与交通学院, 天津 300401;
2. 河北省土木工程技术研究中心, 天津 300401
LI Yurun12 ZHANG Jian1 RONG Xian12
1. College of Civil Engineering and Transportation, Hebei University of Technology, Tianjin 300401, China;
2. Civil Engineering Technology Research Center of Hebei Province, Tianjin 300401, China
different seismic intensityliquefied soilpile-soil interactionbatter pilenumerical simulation
In this paper, based on the application background of lateral resistance and seismic design method of pile foundation in liquefiable soil, and the current situation of the seismic research of the pile foundation is summarized and evaluated. On this basis, it is pointed that several key problems of pile need to be further studied under the condition of seismic liquefaction. Mainly out includes:(1) The mechanism of pile-soil interaction and the dynamic attenuated law of soil around pile before and after the liquefaction of sand under different seismic intensity; (2) The combined influence of sand liquefaction and inertia of upper structure on the distribution of internal force for pile; (3) The failure mechanism of vertical and batter pile in liquefaction site caused by earthquake, and establishment of p-y curve of batter pile; (4) The existing large-scale numerical calculation software is used for numerical simulation and try hard to set up the model and parameters which consistent with the actual situation are established through the secondary development, which provide the theoretical reference for the pile foundation design in engineering.


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更新日期/Last Update: 1900-01-01