1) solid-coal roadway
实体煤巷道
1.
In order to calculate the critical value of roof bedding separation,the mechanism of roof bedding separation was analyzed,moreover,the mechanical models of solid-coal roadway and gob-side roadway were built.
为确定锚网煤巷的顶板离层临界值,分析了煤巷顶板离层的发生机理,建立了锚网实体煤巷道和锚网沿空巷道的顶板临界离层的力学模型;在此基础上通过近似和简化,求解了两类锚网煤巷的离层临界值数学表达式。
2) full seam gateway
全煤巷道
1.
Study on observations on underground pressure of special thick seam at full seam gateway in high stress area;
特厚煤层高应力区全煤巷道矿压显现规律研究
4) coal roadway
煤层巷道
1.
The deformation feature of deep shaft coal roadway is analyzed,and the reason for many kinds of support failures is studied.
分析深井煤层巷道围岩变形特征和支护失效的原因,提出此类巷道的内外结构耦合平衡支护原理。
2.
The phenomenon of underground pressure and principle of surrounding rock control of deep shaft coal roadway are introduced.
以平顶山四矿戊九采区下山专用回风下山底鼓控制为工程背景,介绍了深井煤层巷道底鼓特点及其控制原理。
5) coal roaduay
穿煤巷道
6) seam roadway
煤层巷道
1.
According to the current situation of supporting steep seam roadway,a new bolt-mesh-anchor support technology was put forward.
针对急倾斜煤层巷道支护现状,提出采用锚网索支护新技术对试验巷道进行支护改革。
2.
In view of steeply inclined seam roadway support status quo,with the specific engineering practice problem,used similar material simulation test to have the contrast study on steeply inclined seam roadway applied Isteel support,bolt support and bolt-cable-beam support under same condition.
针对急倾斜煤层巷道支护现状,结合具体工程实践问题,采用相似材料模拟实验,对相同条件下急倾斜煤层巷道采用工字钢支护、锚杆支护和锚(索)梁网支护3种支护形式进行对比试验研究,得出了不同支护形式下的围岩变形规律、以及不同支护形式在急倾斜煤层巷道条件下的适应性及支护机理,从而为急倾斜煤层巷道支护决策提供依据。
补充资料:标准煤(见煤当量)
标准煤(见煤当量)
standard coal
、~‘~1人、4《1工兀飞coal)见煤当等
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