Dynamic response of loose seabed foundation under meizoseismic load

CHEN Yong-wei; LIU Xian-qun; WANG Li-zhong; SHU Hen

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Dynamic response of loose seabed foundation under meizoseismic load

更新时间：2026-06-25

- Dynamic response of loose seabed foundation under meizoseismic load
- Vol. 32, Issue 7, (2011)
- 作者机构：
  
  1. 浙江大学建筑工程学院,杭州,310027
  2. 浙江省电力设计院,杭州,310014
  3. 中交第二公路勘察设计研究院有限公司,武汉,430056
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU443
- Online First：30 June 2011，
  
  Published：2011
- 稿件说明：
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CHEN Yong-wei, LIU Xian-qun, WANG Li-zhong, et al. Dynamic response of loose seabed foundation under meizoseismic load[J]. 2011, 32(7).
DOI：

CHEN Yong-wei, LIU Xian-qun, WANG Li-zhong, et al. Dynamic response of loose seabed foundation under meizoseismic load[J]. 2011, 32(7). DOI：

摘要

海上和沿海区域砂性土地基在强震作用下需同时考虑液化、震陷以及流滑效应。选用杨朝晖叠套屈服面模型，提出了获取计算参数的简化方法，用OpenSees验证了该模型模拟液化的能力；开发了OpenSees与ANSYS的接口，对处于强震地区、地基土为松散砂性土的印尼某进水明渠堤坝进行了非线性有限元动力计算，判断了场地的液化情况，预测了堤坝及地基的震陷量和侧向流滑，计算结果对该类地基的加固处理具有一定的指导意义

Abstract

Liquefaction

seismic subsidence and lateral spreading should be considered when a sandy foundation in the seabed or maritime province sustains meizoseismic load. Zhaohui Yang’s nested constitutive mode is incorporated into OpenSees to evaluate its capacity of simulating soil liquefaction; and a simple method to get parameters is introduced. An interface between OpenSees and ANSYS is constructed; and then a dam on loose sandy foundation which is in the strong earthquake area is analyzed by the nonlinear finite element method. The results give out the liquefaction condition of the foundation and predict the seismic subsidence and lateral spreading

it would help us to do the foundation reinforcement treatment with such cases

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