基于GPRMAX正演模拟的关于探地雷达空气耦合天线在隧道衬砌质量检测中的可行性研究  

Feasibility Study of Ground Penetrating Radar Air Coupling Antenna in Tunnel Lining Quality Inspection Based on GPRMAX Forward Modeling

作　　者：刘秋卓 丁浩[1,2] LIU Qiuzhuo,DING Hao

机构地区：[1]招商局重庆交通科研设计院有限公司,重庆400067 [2]公路隧道建设与养护技术交通行业重点实验室,重庆400067

出　　处：《公路交通技术》2018年第4期95-101,106,共8页Technology of Highway and Transport

摘　　要：为了研究空气耦合天线进行隧道衬砌的质量检测,采用GPRMAX正演模拟方法,分别对不同厚度的钢筋混凝土衬砌、素混凝土衬砌及衬砌内部的空洞进行建模,正演分析了空气耦合天线电磁波的传播特性及衰减特性,得出采用空气耦合天线探地雷达完成隧道衬砌质量检测理论上是可行的,并为后期的空气耦合天线在衬砌质量检测工作中的实际试验研究工作提出指导和建议,可解决地面耦合天线探地雷达检测衬砌质量存在效率低、安全风险高、结果准确率低等问题。To study the quality inspection of tunnel lining by air-coupled antennas,the GPRMAX forward simulation method was used to model the reinforced concrete lining,plain concrete lining and lining voids of different thicknesses,and to analyze the propagation characteristics of electromagnetic waves of air-coupled antennas and the attenuation characteristics. It is theoretically feasible to use the air-coupled antenna GPR to complete the tunnel lining quality detection,and provide guidance and suggestions for the actual experimental research work of the later air-coupled antenna in the lining quality inspection work.This can solve problems such as low efficiency,high safety risk and low accuracy with this technology.

关 键 词：空气耦合天线 探地雷达 隧道衬砌 质量检测 

分 类 号：U456.33[建筑科学—桥梁与隧道工程]