2) mine shaft sinking
立井掘凿
1.
Technology of comprehensive water prevention and control for mine shaft sinking under complicated hydrological conditions;
复杂水文地质条件下立井掘凿综合防治水技术
3) shaft extension
立井开凿
4) shaft sinking
凿井
1.
This text introduced the practice method of the box permanent steel petroleum derrick shaft sinking in the construction of vertical shaft pit shaft.
在立井井筒建设中,我们在原设计的基础上,对箱形永久钢井架凿井的实际方法作了改进。
2.
Monitoring for sidewall safety in deep alluvium freezing shaft sinking engineering is discussed in the paper.
重点介绍了深厚表土中冻结法凿井的井壁安全监测技术,利用现代计算机控制和远程通信技术,通过电话网和调制解调器,借助预埋的传感器,经过信息的分析和反演,实现了冻结法凿井中对井壁的远程全自动安全监测。
3.
Through the practice of Guqiao auxiliary shaft construction, this paper discusses how to increase the shaft sinking velocity with the existing technology and equipment.
如何利用国内现有的凿井技术、凿井设备提高建井速度,本文通过对顾桥副井的建井实例进行了深入的分析探讨。
6) shaft drilling
钻井法凿井
1.
When the rock-breaking cutters are used in the shaft drilling,there would be the problems of sealed structure failure.
本文针对钻井法凿井中出现的破岩滚刀密封结构失效问题,分析了破岩滚刀密封结构失效的原因,提出了预防密封失效的技术措施。
2.
The important tech- niques in deep shaft drilling are briefly described,e.
综合介绍我国深井钻井法凿井技术的发展和成就；在钻机设备、破岩刀具及钻井泥浆等钻进技术上的突破,概括阐述了在深井钻井法井筒支护中,首次采用沿深度改变井壁断面的新结构；验算预防井壁悬浮下沉安装中的轴向失稳；预留泄水孔解决复合井壁内层钢板“鼓包”等关键技术,分析徐淮地区部分井筒井壁局部破裂的原因,提出设防见解。
3.
According to the construction-characteristics of shaft drilling and indoor exploring experiment,the method to use Polymer as the mud additive to inhibit the diameter expansion and shrinkage clay layer,toughen mud cake and stable the sand hole wall is promoted.
针对钻井法凿井施工工艺特点,经室内探索性实验,提出了采用高分子聚合物作为泥浆处理剂抑制粘土层膨胀缩径和增韧泥皮稳固砂层孔壁的方法,从而为今后在深厚冲积层赋存有膨胀性粘土层和含水流砂层中快速、安全钻井提供了参考依据。
补充资料：淙凿
1.冲击，侵蚀。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条