Numerical simulation of sandy soil liquefaction zoneing for unfree field under earthquake

SUN Heng-chu; ZHOU Xiao-wen; CAI Yuan-lin

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Numerical simulation of sandy soil liquefaction zoneing for unfree field under earthquake

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- Numerical simulation of sandy soil liquefaction zoneing for unfree field under earthquake
- Vol. 28, Issue S1, (2007)
- 作者机构：
  
  1. 华南理工大学建筑学院,广州,510640
  2. 亚热带建筑科学国家重点实验室,广州,510000
  3. 广东省航运规划设计院,广州,510050
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU435
- Online First：28 March 2014，
  
  Published：2007
- 稿件说明：
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SUN Heng-chu, ZHOU Xiao-wen, CAI Yuan-lin. Numerical simulation of sandy soil liquefaction zoneing for unfree field under earthquake[J]. 2007, 28(S1).
DOI：

SUN Heng-chu, ZHOU Xiao-wen, CAI Yuan-lin. Numerical simulation of sandy soil liquefaction zoneing for unfree field under earthquake[J]. 2007, 28(S1). DOI：

摘要

基于动力有限元反应分析，对存在于建筑物下的非自由场地的液化特性进行了研究。通过多种工况的计算，探讨了建筑物刚度、宽度和荷载大小对液化区分布的影响。以往一般认为建筑物下的砂土难于液化，而由计算结果及分析，可先实际情况并非这样简单。建筑物基底以下存在易于液化的“V”字型区域，该区域形态与建筑物的刚度、宽度和荷载大小都有密切关系。

Abstract

For unfree ground with existing building

the sandy soil liquefaction potential under earthquake is studied by using numerical dynamic response analysis. The influence of building stiffness

width and building weight on liquefaction zone distribution is investigated through various conditions of calculation. In conventional cognition

the sand under building is difficult to liquefy. However

it is demonstrated by this numerical calculation that the actual situation may not always be always so simple. A zone with the shape of character “V” under building shows high potential of liquefaction

and is closely related to the building stiffness

width and building weight.

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SU Dong1

LI Xiang-song2

Related Institution

Department of Civil Engineering, Shenzhen University

Department Civil Engineering, Hong Kong University of Science and Technology

Research Institute of Geotechnical Engineering, Hohai University

Key Laboratory of Earthquake Engineering and Engineering Vibration, Institute of Engineering Mechanics, China Earthquake Administration

Institute of Rock and Soil Mechanics, Chinese Academy of Sciences

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