隧道衬砌病害雷达检测定位精度分析  

Detection and location of tunnel lining disease with radar

作　　者：张劲松[1,2] 王星杰 王晓岩[3] Zhang Jinsong1,2, Wang Xingjie1(1. Beijing Institute of Surveying and Mapping, Beijing 100038, China; 2 Wang Xiaoyan3 Beijing Key Laboratory of Urban Spatial Information Engineering, Beijing 100038, China; 3. Heilongjiang Seasky Geomatics Technology Co. , Ltd. , Haerbin 150025, Chin)

机构地区：[1]北京市测绘设计研究院,北京100038 [2]城市空间信息工程北京市重点实验室,北京100038 [3]黑龙江省海天地理信息技术股份有限公司,哈尔滨150000

出　　处：《工程勘察》2018年第4期53-56,共4页Geotechnical Investigation & Surveying

摘　　要：本文分析了使用探地雷达检测隧道衬砌质量时,影响病害定位精度的几个因素,其中包括测量放线误差、雷达测距轮测距误差、雷达电磁波波速校正误差等几个方面,并利用误差传播定律分析了这些误差对隧道衬砌病害的定位精度影响,提出了提高定位精度的技术操作方法。In this paper,several factors that affect the location accuracy of the tunnel lining disease are analyzed by using GPR,which include the measurement error,the ranging error of radar range finder and the correction error of radar electromagnetic wave velocity. Then,based on the error propagation law,this paper analyzes the influence of these errors on the positioning of the tunnel lining disease,and puts forward the technical operation method to improve the positioning accuracy.

关 键 词：雷达 隧道衬砌 测量 定位 精度 

分 类 号：U456[建筑科学—桥梁与隧道工程]