Research of creep FEM in calculating settlement of high rock-filled embankment after construction and its back analysis

CAO Wen-gui; LI Peng; CHENG Ye

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Research of creep FEM in calculating settlement of high rock-filled embankment after construction and its back analysis

更新时间：2026-06-25

- Research of creep FEM in calculating settlement of high rock-filled embankment after construction and its back analysis
- Vol. 26, Issue S2, (2005)
- 作者机构：
  
  湖南大学岩土工程研究所,长沙,410082
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU47
- Online First：16 December 2005，
  
  Published：2005
- 稿件说明：
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CAO Wen-gui, LI Peng, CHENG Ye. Research of creep FEM in calculating settlement of high rock-filled embankment after construction and its back analysis[J]. 2005, 26(S2).
DOI：

CAO Wen-gui, LI Peng, CHENG Ye. Research of creep FEM in calculating settlement of high rock-filled embankment after construction and its back analysis[J]. 2005, 26(S2). DOI：

摘要

把填石体作为粘弹性介质，提出采用三参数本构模型来描述填石体的蠕变特性，在此基础上引入遗传算法与有限元分析，建立了填石体三参数本构模型参数确定的优化反演方法，结合某高填石路堤得实测工后沉降数据进行参数反演，并利用反演参数对类似断面进行工后沉降分析，结果表明，本文建立的填石路堤工后沉降计算方法能准确的预测工后沉降，参数便于求取，为寻求合理的路面铺筑时间和制定施工控制条件提供依据。

Abstract

Regarding rock-filled embankment as viscoelastic material

a hyperbola-shaped constitutive model with three parameters for high rock-filled embankment is proposed to describe the features of creeping of this kind of material. And the back-analysis has been brought forward with introducing genetic algorithm and finite element method to determine the model’s parameters. And combining the in-situ settlements of a practical project

a method proposed is applied to back analysis of parameters which is used to predict the settlements after construction in similar sections. It is indicated that by analysis of the example of practical engineering that the computational means of settlement after construction are exact and the parameters can be easily obtained

so as to provide reference for determining reasonable time of paving road surface and establishing controllable conditions of construction.

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