MATEC Web of Conferences
Volume 22, 2015International Conference on Engineering Technology and Application (ICETA 2015)
|Number of page(s)||5|
|Section||Civil and Environmental Engineering|
|Published online||09 July 2015|
Numerical Study on Dynamic Response of Pile Group Foundation of Geotechnical Centrifuge
1 Sino-steel Ma’anshan Institute of Mining Research Co., Ltd, Ma’anshan, Anhui, China
2 State Key Laboratory of Safety and Health for Metal Mine, Ma’anshan, Anhui, China
3 Huawei National Engineering Research Center Co., Ltd. Shenzhen, Guangdong, China
4 Tianjin Research Institute for Water Transport Engineering, Tianjin, China
Based on National Engineering Laboratory for Harbor Engineering Structure-Geotechnical Centrifuge Laboratory construction project, the dynamical response of piles foundation under horizontal-rocking vibration was analyzed by using finite element software Abaqus, and the displacement and stress characteristics of piles were discussed with soil between the piles reinforced by high pressure jet piles. The result indicates that in the operation of the centrifuge, foundation changes of vertical load of center pile are very small; the vertical displacement of the pile head is increasing, the vertical displacement of the pile head is no longer changed until the vibration time reaches 3 times period,; the horizontal load of piles varies with sinusoidal, the horizontal displacement amplitude is increasing, , and the vibration amplitude reaches to fixed value at 2 times vibration period.
Key words: geotechnical centrifuge / horizontal-rocking / pile group foundation / dynamical response / numerical study
© Owned by the authors, published by EDP Sciences, 2015
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