本文阐述了TRT6000型超前探测系统的工作原理和该系统对预报地质情况分析的功能.通过对田兴铁矿西北回风井平巷超前探测预报,准确分析了掌子面前方不同区段范围内的岩体地质状况.从而合理加强平巷施工过程中注浆治水、围岩支护等环节的组织管理,以防止危害发生,保证井下巷道施工安全.%In this paper, author expounds the operational principle and function of tunnel reflection tomography. Through forward probe to tunnel of northwest return air shaft of Tianxing iron mine, author analyses truely the geological condition in front of the working face. Then, the reasonable statement of arrange such as grouting treatment and Surrounding rock supporting could be ensured, and construction safety of tunnel could be guaranteed.
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