地质雷达在隧道质量检测中的应用  

Application of GPR to Tunnel Detection

作　　者：蒋英礼[1] 林川博 

机构地区：[1]广东交通职业技术学院,广东广州510650 [2]广东省建筑科学研究院,广东广州510500

出　　处：《广东交通职业技术学院学报》2013年第4期28-32,共5页Journal of Guangdong Communication Polytechnic

摘　　要：随着交通及地铁事业的不断发展,隧道数量逐年增加,运营中出现的病害也屡见不鲜,但隧道建成以后用常规方法很难对衬砌质量作出系统评价。地质雷达探测利用高频电磁波对不可见目标体进行扫描,以确定其内部结构形态和位置。文中结合工程实例,给出地质雷达的原理及其探测方法,包括测线布置、数据采集和图像分析。分析结果表明地质雷达可以精确探测衬砌厚度、衬砌的不密实、背后空洞和积水等情况;证实了地质雷达技术在隧道质量检测中起到了良好作用。With the great development of traffic, the diseases increase during operation with the quantity of tunnels. It is difficult to make a systematic estimation of the quality of the finished linings by routine methods. GPR detection is to detect the target medium's inductivity, and determine shape and position of the defect with high frequency pulsed electromagnetic waves. Drawn form example, this paper presents the survey principles and method of the GPR including measuring line distribution, data acquisition and image analysis. It has been proved that GPR is a feasible method to inspect the structure of tunnel concrete lining, the liner thickness, crannied status and void behind liner etc. Also it has been confirmed that ground penetrating radar technology works well in the tunnel detection.

关 键 词：地质雷达 隧道 衬砌 质量检测 

分 类 号：U[交通运输工程] G71[文化科学—职业技术教育学]