Research on application of GPR to quality detection of first lining of tunnel

YU Jun; LIU Song-yu; TONG Li-yuan

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Research on application of GPR to quality detection of first lining of tunnel

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- Research on application of GPR to quality detection of first lining of tunnel
- Vol. 29, Issue S1, (2008)
- 作者机构：
  
  东南大学交通学院岩土工程研究所,南京,210096
- 作者简介：
- 基金信息：
- DOI：
  CLC： P225.7
- Online First：15 April 2016，
  
  Published：2008
- 稿件说明：
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YU Jun, LIU Song-yu, TONG Li-yuan. Research on application of GPR to quality detection of first lining of tunnel[J]. 2008, 29(S1).
DOI：

YU Jun, LIU Song-yu, TONG Li-yuan. Research on application of GPR to quality detection of first lining of tunnel[J]. 2008, 29(S1). DOI：

摘要

运用无损检测，对隧道初衬进行快捷、准确、有效地检测是现代隧道建设的重要部分。虽然地质雷达在隧道检测中使用较长时间，但操作人员经验不足，导致不能对采集的图象进行准确的判断。以山东青―莱高速公路隧道初衬检测为例，系统地介绍了地质雷达的原理和常见图像的识别判断，如空洞、不密实、衬砌厚度，锚杆、钢筋网和钢拱架间距。可以为操作人员积累经验和提供借鉴有重要意义。

Abstract

Nondestructive examination to first lining of tunnel is a fast accuracy effective method and an important part of tunnel construction. Although the ground penetrating rader(GPR) has been used for a long time in tunnel detection

the operators are scarce of enough experience so that they are unable to judge and analyze the collected pictures exactly.The principles and judgment of GPR are introduced systematically as an example of first lining detection of road tunnel of Shandong Expreessway

such as cavity

non-compact

lining thickness

distance of steel wed and steel arc. It is important to give experiences and references for operators of GPR.

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