竖井开挖采用了临时混凝士衬砌护壁措施。
The temporary concrete lining guard wall method was used in excavating vertical shaft.
水电工程竖井特别是高竖井开挖，主要难点体现在竖井导井开挖的速度上。
The excavation speed of pilot shaft is one of the key difficulties for the excavation of shaft, high ones in special, of hydropower works.
在竖井的开挖过程中，不可避免的出现变形与稳定性问题。
In process of shaft's excavation, the problem of transformation and stability is unavoidable.
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。
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.
水坝、矿山巷道、竖井、隧洞、江河海底隧道、地铁等地下工程开挖时采用注浆防渗帷幕；
Dams, mine tunnel, shaft, tunnel, River Cross Harbor Tunnel, subway excavation of underground works such as the use of anti-seepage curtain grouting;
本文介绍了反井钻这一新型的竖井和斜井开挖施工设备，以及该设备在国内水电工程中的应用。
One advanced construction equipment for vertical and inclined shafts, named Raise Reaming Machines is introduced in this paper, together with its first application in Chinese hydropower project.
对于竖井开挖 ，尤其是大断面深竖井开挖 ，出碴这一环节 ，往往是决定掘进速度快慢的关键因素。
The spoiling is a key factor influencing the advance speed for the shaft excavation, especially for the excavation of large cross section and deep shaft.
对于竖井开挖 ，尤其是大断面深竖井开挖 ，出碴这一环节 ，往往是决定掘进速度快慢的关键因素。
The spoiling is a key factor influencing the advance speed for the shaft excavation, especially for the excavation of large cross section and deep shaft.
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