shaft timbering是什么意思

网络释义

用法例句

Aiming at technicalproblems of shaft support,by study and analysis,brings forward the new type of shaft structural shape which suit for the formation characteristics of the area of goaf and subsidence,and corresponding methods of design calculation are given.

为实现高定位技改,某矿需要在采空塌陷区新建进、回风井筒,针对井筒支护的技术难题,通过研究分析,提出了适合采空塌陷区地层特性的新型井壁结构型式,并给出了相应的设计计算方法。

Field test study of methods for supporting large-section inclined shaft in gravel layer

卵砾石层大断面斜井井筒支护方法现场试验研究

Shaft Liner Design of Development Shaft for Phase Ⅲ Project in Lancang Lead Mine

云南澜沧铅矿三期开拓竖井井筒的支护设计

Application of Rigid and Fiexible Combined Suppor to New Shaft Maintanace in Coal Mine

钢柔性联合支护在煤矿新井井筒维修中的应用

Physical modeling experiment of rock stress distribution and timbering strength for shaft

井筒围岩应力分布及支护强度相似模拟

wellbore storage domination

井筒储存起支配作用

Maintenance and Destroy Cause Analysis of the Ore Pass out of the Vein

盘区脉外溜井破坏原因分析及井筒维护

Corrosion Inspection and Corrosion Inhibition Prevention of Shaft of Pump Recovery Well in Tahe Oilfield

塔河油田机采井井筒腐蚀监测及缓蚀剂防护技术

Analysis of Roadway Supporting Technology Used in Wind Shaft Station of ZhuJi Thousand Meters Mine

朱集矿千米深井风井车场巷道支护技术及分析

Applying Combined Supporting to Controlling Arch Body Deformation and Damage of Auxiliary Shaft Wall

利用联合支护手段治理副井井壁碹体变形破坏

Design and construction of the core tube supporting of Guanjiang international hotel

灌江国际大酒店核心筒支护设计与施工

Application of prestressed rod in roadways

井巷预应力拉杆支护方式应用及探讨

The Comprehensive Supporting Technique of the Sparging and Anchoring Net ofinclined shaft in Yangjiacun

杨家村矿斜井锚网喷注综合支护技术

The Understanding and Practice of Construction Bolting in the Coal Mine

煤矿井巷锚杆支护施工的分析与探讨

Research on the suitable support form of deep gob-side entry in fully mechanized top coal caving mining

深井综放沿空掘巷合理支护形式研究

Mechanism of Narrow Pillar Protecting Roadway and Support Technology of Gob-Side Entry in Deep Mine

深井沿空巷道小煤柱护巷机理及支护技术

Code for design of inclined shaft and chambers of coal mine

煤矿矿井斜井井筒及硐室设计规范

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

a shaft driven upward is called a raise; one that is driven downward is known as a winze.

从下往上开拓出来的井筒叫天井;从上往下开拓出来的井筒叫盲井。