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1)  bedrock section
基岩段
1.
Quick construction in bedrock section of the auxiliary shaft in Xingcun Coal Mine;
星村煤矿副井基岩段快速施工
2.
Practice on the construction from loess section to bedrock section in inclined shaft
斜井中黄土段至基岩段的施工实践
3.
This paper introduces the general situation of the construction of Baijiapo airshaft in Shaqu Coal Mine,Huajin Coking Coal Limited Company,expounds its construction scheme and equipment in the bedrock section,and illustrates the construction methods and the rapid construction measures.
介绍了华晋焦煤有限责任公司沙曲矿白家坡风井的工程概况和基岩段施工方案与施工设备,对施工方法和快速施工措施进行了阐述。
2)  freezing basement rock section
冻结基岩段
1.
The article introduces a medium-deep-hole smooth-wall blasting method in freezing basement rock section of auxiliary shaft in Dingji Colliery without fracture and deformation of freezing pipe.
丁集矿副井在超深冻结565m的情况下,冻结基岩段采用中深孔光爆法施工中,连续装药,反向起爆。
3)  shaft lining in bedrock section
基岩段井壁
1.
Ground pressure stress of shaft lining in bedrock section of deep vertical shaft and extra deep shaft is revealed by theoretical analysis,which provides a basis for optimized design of shaft lining in bedrock section.
揭示深立井及超深立井基岩段井壁地压应力的理论分析方法,为基岩段立井井壁的优化设计奠定基础。
4)  stopping water in bed rock section of shaft
基岩段堵水
5)  vertical shaft bedrock section
立井基岩段
6)  fissure water in bedrocks
基岩段裂隙水
补充资料:十报恩 赠段先生 折段字起
【诗文】:
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