隧道衬砌病害地质雷达探测正演模拟与应用

doi:10.16285/j.rsm.2016.12.035

›› 2016, Vol. 37 ›› Issue (12): 3627-3634.doi: 10.16285/j.rsm.2016.12.035

隧道衬砌病害地质雷达探测正演模拟与应用

李尧，李术才，徐磊，刘斌，林春金，张凤凯，杨磊

山东大学岩土与结构工程研究中心，山东济南 250061

收稿日期:2015-09-08 出版日期:2016-12-10 发布日期:2018-06-09
通讯作者: 刘斌，男，1983年生，博士，副教授，主要从事应用地球物理与隧道超前地质预报等方面的研究工作。E-mail: liubin0635@163.com E-mail:liyao.sdu.edu@gmail.com
作者简介:李尧，男，1989年生，博士研究生，主要从事地质雷达理论与仪器方面的研究工作。
基金资助:
国家重点基础研究发展计划（973计划）项目（No.2013CB036002）；国家自然科学基金重点项目（No.51139004）；中国工程院咨询项目（No.2015-05-ZD-002）；国家自然科学基金面上项目（No.51479104）；国家高技术研究发展计划(863计划)项目（No.2014AA110401）。

Forward simulation of ground penetrating radar and its application to detection of tunnel lining diseases

LI Yao, LI Shu-cai, XU Lei, LIU Bin, LIN Chun-jin, ZHANG Feng-kai, YANG Lei

Research Center of Geotechnical and Structural Engineering, Shandong University, Jinan, Shandong 250061, China

Received:2015-09-08 Online:2016-12-10 Published:2018-06-09
Supported by:
This work was supported by the National Program on Key Basic Research Project of China (2013CB036002), the Key Program of National Natural Science Foundation of China (51139004), the Consulting Research Project of Chinese Academy of Engineering (2015-05-ZD-002), the General Program of National Natural Science Foundation of China (51479104) and the National High Technology Research and Development Program of China (2014AA110401).

摘要/Abstract

摘要： 国内大多数隧道都存在着不同程度的病害，其中诸如衬砌开裂、不密实、含有空洞和渗漏水等衬砌病害是隧道最常见的病害类型，严重影响行车安全。地质雷达（GPR）可以用来对隧道衬砌病害进行快速无损探测，但对于衬砌病害的解译十分依赖于探测人员的经验，很容易造成误判和漏判。因此，对隧道衬砌病害进行分类，并针对典型衬砌病害类型进行建模，利用时域有限差分（FDTD）法对衬砌病害模型进行地质雷达探测正演模拟，针对衬砌渗漏水和存在钢筋干扰等特殊情况，通过频谱分析对病害进行了定量识别，总结出典型衬砌病害的地质雷达探测解释准则，最后结合工程实例对衬砌病害进行了推断和解译。结果验证了衬砌病害地质雷达探测正演模拟和解释准则的可靠性。

关键词: 隧道衬砌病害, 地质雷达, 时域有限差分法, 正演模拟, 频谱分析

Abstract: Most tunnels in China have different degrees of diseases, such as lining cracking, imperfect, lining containing voids and lining water leakage, which seriously influence the traffic safety. Ground penetrating radar (GPR) is used to detect the tunnel lining diseases rapidly and nondestructively. However, the interpretations for lining diseases of GPR detection results strongly rely on the experience of GPR users, which to great extent leads to missing and even wrong judgments. In this study the tunnel lining diseases are classified, and the typical types of tunnel lining diseases are modeled. Finite-difference time-domain (FDTD) method is used to perform forward simulations of typical tunnel lining diseases. For special conditions of water leakage of lining and interference induced by steel reinforcement, the frequency spectrum analysis is used to quantitatively analyze these diseases. Interpretation rules of GPR detection for typical tunnel lining diseases are summarized and further applied to a real project example. The results show that the forward simulations and interpretation rules of GPR detection for typical tunnel lining diseases are reliable.

Key words: tunnel lining diseases, ground penetrating radar (GPR), finite-difference time-domain (FDTD) method, forward simulation, frequency spectrum analysis

中图分类号:

TU 443

李尧，李术才，徐磊，刘斌，林春金，张凤凯，杨磊. 隧道衬砌病害地质雷达探测正演模拟与应用[J]. , 2016, 37(12): 3627-3634.

LI Yao, LI Shu-cai, XU Lei, LIU Bin, LIN Chun-jin, ZHANG Feng-kai, YANG Lei. Forward simulation of ground penetrating radar and its application to detection of tunnel lining diseases[J]. , 2016, 37(12): 3627-3634.

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隧道衬砌病害地质雷达探测正演模拟与应用

Forward simulation of ground penetrating radar and its application to detection of tunnel lining diseases

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