This paper applied the finite element software of 2D—σ to make a numerical analysis of deep parallel roadways stability in structural stress field .
选用 2D—σ有限元计算软件 ,对深部平行巷道在构造应力场中的稳定性进行了数值分析 ,着重讨论了深部平行巷道围岩的变形特征、塑性区发育特征、围岩应力分布特征和动态演化过程 ,探明了构造应力作用与深部平行巷道围岩变形破坏的动态关系及围岩破坏机理 ,给出了合理的岩柱间距。
Study on Roadway Bolt-Mesh Supporting Technique in High Angle Fully Mechanized Caving Face of Wangjiashan Colliery;
王家山矿大倾角综放工作面平巷锚网支护技术研究
Hirschback method
上部平巷排放沼气法
pillar of ground
运输平巷上方的煤柱
Structural Security Study of Building over Inclined Shaft Tunnels Under Seism
地震影响下风巷上部建筑物结构安全性研究
The tunnels connecting them, usually at right angles, are crosscuts.
连接平巷、一般与平巷成直角的巷道称为石门。
The end of a gallery or drift.
水平巷道或小平巷的一端
A gallery or drift in a mine.
矿井中的水平巷道或小平巷
horizontal underground passage in a mine
(矿坑中的)水平巷道.
A horizontal or nearly horizontal passageway in a mine running through or parallel to a vein
水平巷道穿过矿脉或与矿脉平行的矿井中水平或近似水平的巷道
A level in a mine driven so that it intersects a vein of ore.
石门,横巷矿井内掘出的平巷,它与矿脉相交
The Study of the Celerity Single Tunneling Technique of the Horizontal Tunnel in the Second Shizuishan Mining;
石嘴山二矿水平巷道单巷快速掘进技术研究
The alley was strewn with garbage.
垃圾散布于巷道上。
A residential street on top of or climbing a slope.
斜坡上房屋间的街巷位于斜坡上或斜坡顶部的一条两边为居住区的街道
at different levels beneath the ground horizontal tunnels are excavated in order to reach and follow the vein. These tunnels are called drifts;
在地下不同的水平,开拓有许多水平巷道以通向矿脉并随矿脉延伸。这种巷道叫作平巷;
Men on horseback dashed out of side streets pell-mell down Peachtree toward Hood's headquarters.
骑马的男人们乱糟糟地从两旁小巷里奔上桃树街,向胡德将军的司令部驰去。
part of the sirloin between the flat bone and the porterhouse.
在平骨和前背部之间的牛的上部腰肉。
Hardypick drifting machine
哈迪皮克型平巷电钻机组
A passage or gallery in a coal mine.
通道煤矿中的通道或水平巷道
mechanized heading development
机械化平巷开采中厚煤层法
CopyRight © 2020-2024 优校网[www.youxiaow.com]版权所有 All Rights Reserved. ICP备案号:浙ICP备2024058711号