Optimization of positions of sensors in shaking table test for subway station structure in soft soil

YANG Lin-de; JI Qian-qian; YANG Chao; ZHENG Yong-lai

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Optimization of positions of sensors in shaking table test for subway station structure in soft soil

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- Optimization of positions of sensors in shaking table test for subway station structure in soft soil
- Vol. 25, Issue 4期　刊出日, (2004)
- 作者机构：
  
  1. 同济大学地下建筑与工程系,上海,200092
  2. 上海黄浦江大桥工程建设处,上海,200090
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU311.3
- Online First：17 July 2014，
  
  Published：2004
- 稿件说明：
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YANG Lin-de, JI Qian-qian, YANG Chao, et al. Optimization of positions of sensors in shaking table test for subway station structure in soft soil[J]. 2004, 25(4期　刊出日).
DOI：

YANG Lin-de, JI Qian-qian, YANG Chao, et al. Optimization of positions of sensors in shaking table test for subway station structure in soft soil[J]. 2004, 25(4期　刊出日). DOI：

摘要

在对软土地铁车站结构进行振动台模型试验的过程中，对传感器设置位置的优选进行了研究，内容包括按三维问题的分析论证地铁车站结构在横向激振作用下的受力变形特征，据以确定可按平面应变问题进行分析的断面的分布范围及主观测断面的位置；按二维问题的分析论证地铁车站结构在横向激振作用下的变形趋势，据以确定观测断面上传感器设置的优选位置；以及在满足基本信息采集要求的前提下，对可供采用的信息采集通道进行优化分配的方法。成果对试验获得成功起到了保障作用，对同类试验也有参考价值。

Abstract

The paper describes the study for optimum positions of sensors in the shaking table test for subway station structure in soft soil. The deformation features of subway station structure under the transverse vibration is proved by three-dimensional FEM analysis. On the base of the result

it is determined that includes the scope of section that satisfies the plane strain rules and the position of the main observation section. The deformation tendency of station structure is analyzed by plane strain FEM and the optimum positions of sensors in the observation section is determined. The method is proposed on the premise of satisfying the demand of basic information

which can optimize the distribution of available sampling passages. The achievements guarantee the success of the test and can be referenced by the same type test.

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Large-scale shaking table test for dynamic response in portal section of mountain tunnel with different gradients of upward slope

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地震动持时压缩比对可液化地基地震反应影响的振动台试验

Liquefaction and deformation of the soil foundation around a subway underground structure with a slight inclined ground surface by the shaking table test

冻结黏土未冻水赋存状态界定与演化特征试验

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