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| 坑道直流电法环境影响三维数值模拟与结果分析 | |
| 引用本文： | 王建历,阮百尧,黄俊革,侯冬梅,杨庭伟.坑道直流电法环境影响三维数值模拟与结果分析[J].物探与化探,2011,35(3):414-418. |
| 作者姓名： | 王建历 阮百尧 黄俊革 侯冬梅 杨庭伟 |
| 作者单位： | 1. 上海应用技术学院,土木建筑与安全工程学院,上海,200234;桂林理工大学,地球科学学院,广西,桂林,541004 2. 桂林理工大学,地球科学学院,广西,桂林,541004 3. 上海应用技术学院,土木建筑与安全工程学院,上海,200234 |
| 基金项目： | 国家自然科学基金，上海市教委创新基金 |
| 摘 要： | 针对坑道直流电法异常受坑道空腔及坑道内各种良导设施的影响发生严重畸变,给实测资料解释和异常体的准确定位带来困难,用有限元法对坑道直流电法环境影响进行了三维数值模拟,首先研究了坑道特殊条件下电阻率有限元计算方法并编制了计算程序,并设计3个不同模型计算坑道环境对周围异常体探测的影响,再使用比较法、差值法和综合改正法对坑道环境影响进行消除。计算结果表明,坑道直流电阻率法实测数据解释前必须进行坑道环境影响消除,比较法、差值法和综合改正法等都可以消除坑道环境影响。 |
| 关 键 词： | 坑道直流电法 消除异常干扰 坑道环境 三维数值模拟 有限元法 |
3D NUMERICAL SIMULATION AND ANALYSIS OF TUNNEL ENVIRONMENT INFLUENCE ON DC RESISTIVITY SURVEY |
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| WANG Jian-li,RUAN Bai-yao,HUANG Jun-ge,HOU Dong-mei,YANG Ting-wei.3D NUMERICAL SIMULATION AND ANALYSIS OF TUNNEL ENVIRONMENT INFLUENCE ON DC RESISTIVITY SURVEY[J].Geophysical and Geochemical Exploration,2011,35(3):414-418. | |
| Authors: | WANG Jian-li RUAN Bai-yao HUANG Jun-ge HOU Dong-mei YANG Ting-wei |
| Institution: | WANG Jian-li1,2,RUAN Bai-yao2,HUANG Jun-ge1,HOU Dong-mei2,YANG Ting-wei1,2(1.School of Construction and Safety Engineering,Shanghai Institute of Technology,Shanghai 200234,China,2.College of Earth Sciences,Guilin University of Technology,Guilin 541004,China) |
| Abstract: | Due to the tunnel cavities and a variety of engineering facilities in the tunnel,the resistivity anomaly is subject to serious distortion,which will increase the difficulty of data interpretation and accurate locating of the abnormal body.In this paper,the finite element method was used to calculate the tunnel environment response,the resistivity calculation method under the special tunnel condition was analyzed,and computer modeling experiments were conducted.And then,according to the environmental anomali... |
| Keywords: | DC resistivity method in tunnel eliminating abnormal interference tunnel environment 3D numerical modeling finite-element method |
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