sinking method

用法例句

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。

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。

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。

This paper is based on experience of sinking by boring.

本文在总结钻井法凿井施工经验的基础上,对泥浆工艺中较为突出的几个问题进行了分析,并提出了解决问题的建议。

Kind-Chaudron process

金特－肖德隆凿井法

construction survey for conventional shaft sinking method

普通凿井法施工测量

construction survey for special methods of shaft sinking

特殊凿井法施工测量

Design Optimization of Drilled Shaft Lining Structure in 1000m Deep Shaft

千米深井钻井法凿井井壁结构设计优化

Test methods of shaft sinking winches

GB/T5866-1986凿井绞车试验方法

Research on 600-Meter-Level Drainage Sinking Technology at Qing Shuiying Coal Mine

清水营煤矿600m疏降水法凿井技术研究

Research on the Influence of Frost Heave of Frozen Soil to Derrick Footing in Freezing Sinking Shaft;

冻结法凿井冻土冻胀对井架基础影响的研究

The Key Technology of Freezing Repairing Shaft of the 658m Soft Rock Drilling Shaft

658m软岩普通法凿井井筒冻结修复关键技术

Frozen method applied in excavation of vertical shaft of iron ore mine

冻结法凿井技术在铁矿山竖井中的应用

Application of Waste Drilling Mud Treatment Technology for Mine Full Face Drilling

钻井法凿井废弃泥浆处理技术的研究应用

Safe and Rapid freezing Process in Deep Impact Layer of Guqiao Main Shaft

顾桥主井厚冲积层冻结法凿井施工技术

Shaft sinking winch

GB/T15112-1994凿井绞车

open a mine, well, tunnel, etc

开矿、 打井、 凿隧道

The Key Technical Problems of Freezing Methods of Sinking Shaft in the Western Region of China

我国西部地区冻结法凿井关键技术问题

Use of High Strength and High Performance Concrete in Freezing Shaft Sinking

高强高性能混凝土在冻结法凿井施工中的应用

This paper in detail presented the transition of shaft sinking equipment for drift excavation in Wangershan Gold Mine.

介绍了在山东省望儿山金矿立井施工中,利用立井凿井设施进行平巷施工的改装方法。

Experience on the shrink shaft drilling construction reserve period

缩短立井井筒凿井施工准备期的经验

deep shaft sinking technique in ancient China

中国古代深井开凿技术