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隧道施工过程中经常穿越如断层破碎、溶洞涌水和暗河等不良地质灾害,在掌子面前方进行超前地质预报对避免和减少施工灾难具有重要意义。通过对我国目前常用的超前地质预报技术分析归纳,以TSP和地质雷达法为主线,详细阐述了常用地质预报技术的原理、优势和目前应用存在的主要问题,同时对我国今后的超前地质预报技术进行展望,以期为隧道施工过程中的防灾减灾提供有益的参考。
In the process of tunnel construction, it often crosses such adverse geological disasters as fault broken, gushing water inflow and underground river, and advanced geological prediction in front of the face of the tunnel is of great significance to avoid and reduce construction disasters. By analyzing and summarizing the commonly used advanced geological forecasting techniques in our country, taking TSP and GPR as the main line, the principle, advantage and the main problems of common geological forecasting technology are expounded in detail. At the same time, the future advanced geological forecasting technology So as to provide a useful reference for disaster prevention and mitigation in the process of tunnel construction.