望儿山金矿巷道顶板冒落的机理初探

Discussion on mechanism of tunnel roof collapse in Wang-Er-Shan Gold Mine

本文根据望儿山金矿巷道失稳的各种现象，分析了该矿巷道顶板冒落的机理，以期能正确指导巷道的设计与施工。

based on various phenomena of trnnel destabilisation in Wang-ErShan Gold Mine,thispaper gives an analysis of the mechanism of tunnel roof collapse, so that hoping to give a certain guide to tunnel design and construction