1) top pillar

顶柱
1.
According to the main characters of overlap underground chambers, the top pillar between two adjacent underground chambers is simplified to the beam fixed at both ends, and dynamic loading is simplified to harmonic wave.
根据上下交叠型地下硐室群的主要特征,将硐室间的顶柱简化为两端固定梁力学模型,把动荷载简化为谐波。
2.
It was concluded that the 9th scheme can make the top pillar stable,and an optional mining program and some measures were.
NASTRAN三维数值分析软件对整个矿区进行建模分析,通过反复调整模型参数,分别根据提出的9种设计方案进行模拟分析对比,最后得出顶柱设置在-6 m水平(方案9)基本可以稳定。
3) coal pile plate

煤柱顶板
1.
This paper introduces theoretical research and working practice of Jushan Coal Mine Limited Company by abandoned coal resource recovery under knife pile and summarizes a set of scientific method to control coal pile plate and coal capitals have achieved good effect.
介绍了莒山煤矿有限公司通过对刀柱下弃置煤炭资源回收工作的理论研究和工作实践,总结出一套煤柱顶板及煤帮控制的科学方法,并取得了较好的应用效果。
4) breaking-off prop

切顶支柱
1.
Introduce a pressure characteristic of working face with the usage of hydraulic breaking-off prop.
介绍切顶支柱使用情况下的工作面矿压特性,分析切顶支柱对顶板管理的作用。
5) boundary pillar

境界顶柱
1.
For a mine to be changed from an open pit to underground stope, the stability of the boundary pillar has direct influences on the safety production of the mine.
露天转地下开采的矿山 ,其境界顶柱稳定性将直接影响到矿山的安全生产。
2.
To solve the interaction problem between open pit and underground mine, people generally adopt open stope method which maintain a boundary pillar between the bottom of open-pit and the room top of the first underground middle section.
此时为了处理好露天与地下同时开采相互影响的问题,一般采用空场法,它需要在露天坑底部、地下开采第一中段的矿房顶部保留一定厚度境界顶柱。
6) roof control by coal pillars

煤柱控顶
补充资料:顶柱子
1.起支撑作用的柱子。常比喻起关键作用的人。
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