摘要
隧道地质超前预报在指导隧道安全施工中起着重要的作用,探地雷达法作为常用的隧道超前预报方法,具有探测效率高、对施工干扰小的优势,但在成果精确解释和探测深度方面存在不足。运用gprmax正演模拟软件,探讨了正演基本参数的选取,对隧道施工中遇到的常见不良地质异常体进行正演计算,得到不同地质异常体的正演图像特征,并结合工程实例,为探地雷达在隧道超前预报中取得更好的探测效果提供了借鉴。
Tunnel geological advanced prediction plays an important role in the guiding of safe construction of tunnel. As the conventional method of tunnel geological advanced prediction,the method of ground penetrating radar（ GPR） has the advantages of little interference and high efficiency,while it also has limitations in the aspects of results accurate interpretation and probing depth. By using gprmax,a forward simulation software,the authors discussed the selection of basic parameters of the forward simulation,and made forward calculation of the frequent geologic anomalies in the tunnel construction. This paper can provide lessons for a better exploration effect of GPR in advanced prediction combining with project cases.
出处
《中州煤炭》
2016年第7期143-147,共5页
Zhongzhou Coal
基金
重庆市交通科学技术项目(2014-01)
关键词
地质超前预报
探地雷达(GPR)
正演模拟
地质异常体
geological advanced prediction
ground penetrating radar（GPR）
forward simulation
geological anomalous body
