【摘要】 竖井传统施工方法进度慢,施工难度大,成本高。当其有下部通道时,选择钻孔导井法施工,则可以大大缩短工期,降低成本,具有明显的优越性。以呷村矿山溜井工程实践为例,探讨了钻机导井法施工竖井的关键工艺。更多还原

【Abstract】 Traditional shaft construction method was difficult with slow progress and high cost.Drilling pilot shaft has the obvious superiority to greatly reduce the construction period and the cost for a project with channel in lower part.This article discussed the key technology of drilling pilot shaft for shaft construction by the case of Xiacun mine.更多还原