摘要
蒲石河抽水蓄能电站引水系统中的竖井开挖，拟采用反井钻机进行导井开挖，人工手风钻钻孔扩挖的方式施工。可提高开挖的施工效率，改善工人的劳动条件。
The sequence of excavation for the shaft of diversion system at Pushihe storage power station is to excavate the pioneer well used by back well boring machine, then by hand air drill to expand it. This method can put up construction efficiency of excavation and improve the worker's working condition.
出处
《东北水利水电》
1999年第8期7-7,11,共2页
Water Resources & Hydropower of Northeast China
关键词
竖井开挖
反井钻
抽水蓄能电站
引水系统
excavation shaft back well boring machine Pushihe pumped storage power station
