地质雷达技术在客专隧道超前地质预报中的应用

Application of ground penetrating radar in advance geological forecast for the tunnels of passenger dedicated line

结合地质雷达技术在罗曲隧道超前地质预报中的应用,对地质雷达技术的工作原理、测线布置及数据采集进行了概括性的介绍,并通过对数据的处理和分析,结合地质雷达成果图对探测区域的地质情况进行了描述。通过这一工程实例,文章阐述了地质雷达技术在隧道超前地质预报中的作用,对具体的现场施工提供了预报性的指导意见,为施工过程提供了实时的地质预报资料,确保了施工的安全进行,也为必要的设计变更提供了依据。与此同时,针对工程具体应用,文章总结了超前地质预报方法的选择办法和经济对比,可为其他类似工程提供借鉴。

Combined with the application of ground penetrating radar in the advance geological forecast of Luoqu tunnel,the technical mechanism of the radar,the layout of the lines and the data collection are introduced in general.Based on the data processing and analysis,combining with the results charts of ground penetrating radar,the regional geological condition in the inspection area is described.Through the project example,the role of the advance geological forecast with the geological radar technology is expounded,and a forecast specific guidance for the tunnel construction is provided.The real-time geological forecast data are provided for the construction process to ensure the safety of the construction,and the basis for the necessary design changes is also provided.In view of the engineering application,the choice of the advance geological forecast method and the economic comparison are summarized,which could provide the reference for other similar projects.