联合预报在组合地质灾害隧道工程中的应用

Application of Combined Forecasting in Combined Geological Hazard Tunnel Engineering

在某地质条件复杂的隧道探测中,为了判断掘进工作面前方地质情况,选用隧道地震电测(tunnel seismic electric prediction,TSEP)和地质雷达(ground penetrating radar,GPR)超前地质预报技术对地质条件复杂的区段进行超前探测,经与实际开挖情况对比分析得出探测结果准确可靠。TSEP超前地质预报技术有效探测距离长,对不良地质体的探测范围广;采用TSEP超前地质预报技术与GPR技术联合预报的预报体系,可以改变原有联合预报全过程预报的模式,减少预报工作量,降低预报成本。该研究可为同类型地质条件工程超前探测提供了借鉴。

In order to judge the geological conditions ahead of the working face in the tunnel exploration of complex geological conditions,the tunnel seismic electic prediction(TSEP)and ground penetrating radar(GPR)advanced geological prediction techniques were used to detect the sections with complex geological conditions.The comparison with the actual excavation results shows that the detection results are accurate and reliable.TSEP advanced geological prediction technology has a long effective detection range and wider detection range to bad geology.The forecasting system of the joint prediction of the TSEP advanced geological prediction technology and the GPR geological radar technology can change the mode of the original joint forecasting process,reducing the forecasting workload and the forecasting cost.It provides a reference for advanced detection of geological conditions of the same type.