Analyses of parameters sensitivity of Duncan-Chang model in settlement calculation of embankment

WANG Zhi-liang; SONG Mao-tian; YIN Zong-ze

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Analyses of parameters sensitivity of Duncan-Chang model in settlement calculation of embankment

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- Analyses of parameters sensitivity of Duncan-Chang model in settlement calculation of embankment
- Vol. 25, Issue 7期　刊出日, (2004)
- 作者机构：
  
  1. 河海大学土木工程学院,江苏,南京,210098
  2. 山东菏泽水文水资源勘测局,山东,菏泽,274000
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU470+.3
- Online First：18 July 2014，
  
  Published：2004
- 稿件说明：
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WANG Zhi-liang, SONG Mao-tian, YIN Zong-ze. Analyses of parameters sensitivity of Duncan-Chang model in settlement calculation of embankment[J]. 2004, 25(7期　刊出日).
DOI：

WANG Zhi-liang, SONG Mao-tian, YIN Zong-ze. Analyses of parameters sensitivity of Duncan-Chang model in settlement calculation of embankment[J]. 2004, 25(7期　刊出日). DOI：

摘要

灵敏度分析是土木工程中解决多参数辨识问题的一个主要方法。目前，在地下工程的分析和计算中邓肯-张模型是比较理想的模型，通过大量的非线性有限元计算，找到了该模型中影响软基路堤沉降的主要参数，并给出了各参数与路堤沉降之间的定性关系，这为路堤沉降计算中的参数反演分析的简化处理奠定了基础

Abstract

The analyses of sensitivity have been considered to be one main method in the solution to identification of many parameters in civil engineering. At present

during the course of analysis and calculation in underground engineering

Duncan-Chang model is an ideal one. By a lot of nonlinear finite element method calculation

the main parameters

which have much larger influence on the calculated accuracy of embankment settlement

are found out; and then the qualitative relations between every parameter and embankment settlement are also given

and that can be the basis of simple disposal for back analysis of the model parameters in practical engineering.

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Related Institution

Ningbo Institute of Technology, Zhejiang University

Northwest Research Institute Co., Ltd., of China Railway Engineering Corporation

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