Modulus back analysis and void identification of jointed slab on elastic foundation

WANG Tao; WANG Fu-ming; WANG Zhao 、

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Modulus back analysis and void identification of jointed slab on elastic foundation

更新时间：2026-06-25

- Modulus back analysis and void identification of jointed slab on elastic foundation
- Vol. 24, Issue 2, (2003)
- 作者机构：
  
  1. 武汉大学土木建筑学院,湖北,武汉,430072
  2. 郑州大学道路检测中心,河南,郑州,450002
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU470
- Online First：19 August 2014，
  
  Published：2003
- 稿件说明：
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WANG Tao, WANG Fu-ming, WANG Zhao 、. Modulus back analysis and void identification of jointed slab on elastic foundation[J]. 2003, 24(2).
DOI：

WANG Tao, WANG Fu-ming, WANG Zhao 、. Modulus back analysis and void identification of jointed slab on elastic foundation[J]. 2003, 24(2). DOI：

摘要

用有限单元法建立了可考虑接缝和地基脱空的弹性地基板位移计算模型。并根据系统识别原理，建立了接缝地基板弹性模量的反演分析方法。最终提出了利用FWD实测板中弯沉盆数据反演面板与地基弹性模量、根据板角(板边)弯沉值判定地基脱空面积的迭代方法。

Abstract

A numerical model calculating displacement of jointed slab on void foundation is established with finite element method. And a method for modulus back analysis of jointed slab is developed based on the theory of system identification. On the ground of above work

this paper has established an iteration method to identify void of rigid pavements using deflection data measured from falling weight deflectometer.

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