斜井井筒冻结法凿井的施工实践

Practice on the construction of inclined shaft using freezing shaft sinking

介绍了马泰壕矿井斜井井筒采用冻结法凿井施工,并按照5个冻结段高分段掘进、支护的实践经验。

According to the length of inclined shaft, stratum and support patterns, the paper introduced the shaft sinking operation using freezing method in Mataihao Mine.