Assay of field experiment and forward calculated results of cement-soil cut-off wall’s defect detecting with multi-electrodes resistivity method

GUO Xiu-jun; GUO- Jian; JIA Yong-gang; PAN You-hong; YANG Nai-lei

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Assay of field experiment and forward calculated results of cement-soil cut-off wall’s defect detecting with multi-electrodes resistivity method

更新时间：2026-06-25

- Assay of field experiment and forward calculated results of cement-soil cut-off wall’s defect detecting with multi-electrodes resistivity method
- Vol. 27, Issue S1, (2006)
- 作者机构：
  
  1. 中国海洋大学,青岛,266003
  2. 即墨市水利局，即墨,266200
  3. 青岛江河水利工程公司，平度,266700
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：15 December 2006，
  
  Published：2006
- 稿件说明：
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GUO Xiu-jun, GUO- Jian, JIA Yong-gang, et al. Assay of field experiment and forward calculated results of cement-soil cut-off wall’s defect detecting with multi-electrodes resistivity method[J]. 2006, 27(S1).
DOI：

GUO Xiu-jun, GUO- Jian, JIA Yong-gang, et al. Assay of field experiment and forward calculated results of cement-soil cut-off wall’s defect detecting with multi-electrodes resistivity method[J]. 2006, 27(S1). DOI：

摘要

基于不同水灰比水泥土防渗墙成墙后较短时间内的电性变化特征，沿墙体走向利用布设在墙体上方的多个电极对设有不同缺陷的防渗墙进行了电性探测试验。防渗墙施工过程中形成的深度不够、序间接缝、桩体开叉、搅拌不匀等完整性缺陷会引起探测剖面上电异常特征变化，异常区分布位置和缺陷位置具有对应关系。2.5维有限元方法数值模拟计算结果和模型试验结果具有相同的特征，并进一步表明不同缺陷的异常特征受缺陷类型、缺陷位置的电性特征、缺陷尺寸控制。

Abstract

Some cement-soil samples measured in laboratory have showed low resistivity character in a short time after they were mixed. On base of this point

many electrodes were set on the top of cement-soil cut-off wall along it’s extend direction to detect the positions of different defects which had been set in the wall in a short time after it had been built. The measured apparent resistivity sections show depth of wall

blanks between poles and cement to soil ratio variation can bring apparent resistivity patterns change and their positions correspondence. Forward Calculated results with 2.5-D finite element method (FEM) also showed the same resisitivity abnormality character with field detecting results and the abnormal resisitivity patterns changing with the type

size and resistivity variation of defects.

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