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.
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 key problem of the excavation of the main carven system is to determine the best excavation sequence and excavation options according to the concrete features of the project.
如何结合工程具体特点，确定最优的爆破开挖程序和开挖方法，这是主厂房系统爆破开挖的关键所在。
The excavation sequence and excavation method of the main carven system affect directly the completion date, quality, safety and cost of the project.
主厂房系统爆破开挖程序和开挖方法，最直接地影响着整个工程工期、质量、安全及成本。
The results of the studies on the blasting excavation sequence and excavation options for the main carven system on the right bank of Three Gorges can be taken for reference by relevant units.
三峡右岸地下电站主厂房系统爆破开挖程序及开挖方法的研究成果，可供有关单位参考。
In this paper, the research on the influence of excavation sequence on surrounding rock stability in the world is reviewed and the concept of construction mechanics of cavern groups is presented.
本文总结了近几年来国内外有关开挖顺序对围岩稳定影响的研究成果，提出了洞室群施工力学的概念。
This model has considered many sorts of medium, the simulation of excavation process and construction sequence, and the semi - infinite plane of surface factor as well.
该模型考虑了多种介质、开挖过程和施工顺序的模拟以及地表因素的半无限平面等问题。
Combining with an excavation case of highway slope located in hill district, the rationalization problem of excavation sequence is discussed.
以丘陵地区某高速公路的切方路基开挖问题为例，探讨切方路基开挖程序的合理化问题。
The results of the studies on the blasting excavation sequence and excavation options for the main carven system on the right bank of Three Gorges can be taken for reference by relevant u...
三峡右岸地下电站主厂房系统爆破开挖程序及开挖方法的研究成果，可供有关单位参考。
The results of the studies on the blasting excavation sequence and excavation options for the main carven system on the right bank of Three Gorges can be taken for reference by relevant u...
三峡右岸地下电站主厂房系统爆破开挖程序及开挖方法的研究成果，可供有关单位参考。
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