1) broken coal rock mass
破裂煤岩体
2) coal and rock break
煤岩破裂
1.
The prevention of quake produced by coal and rock break is a worldwide problem.
煤岩破裂产生震动的防治是世界性一大难题。
3) coal fracturing
煤体破裂
4) cracked rock mass
破裂岩体
1.
Using RFPA to study on mechanical characteristics of cracked rock mass reinforced by bolting and grouting, it is obtained that the stress hardening characteristics of the cracked rock mass in uniaxial compression tests were validated, and the evolutive process of cracking and deformation of the rock mass reinforced by bolting and grouting was reflected.
应用RFPA软件系统对破裂岩体注浆加锚后的力学特性进行了试验研究。
2.
The mechanical property of cracked rock mass has great influence on the stability of engineering projects.
深部地下工程围岩多为破裂岩体,与支护结构间存在相互作用,破裂岩体的力学性能对工程稳定起着极其重要作用。
3.
The underground rock after failure forms cracked rock mass in a certain area,which represents great structural effect under effective support,namely,it has the capacity of load-carrying and resisting deformation.
深部地下工程围岩破坏后形成较大范围的破裂岩体,在有效支护条件下具有结构效应,即具有一定的承载和抵抗变形能力,且在其承载和抵抗变形的过程中呈现应力强化的特性;同时,在破裂岩体内部存在岩块的再破坏和岩体力学性能弱化的过程;破裂岩体承载过程中应力状态及其力学特性的演化,取决于岩体整体力学性能、约束状态及初始破裂面的特征;在再承载过程中,破裂面上的主应力方向和大小均会发生变化,且破裂面上主应力方向和岩体的主应力方向并不一致,从而导致新的破裂面的形成和发展。
6) coal seam rupture angle
煤体破裂角
1.
Based on theory analysis and practical survey in testing ground,had studied influence factors such as caving height,work resistance of supports,coal seam rupture angle,main roof rotary angle and stopping mining time.
通过理论分析和现场实测,研究了采高、支架工作阻力、煤体破裂角及节理面倾角、老顶回转角和停采时间等对采煤工作面煤壁片帮的影响。
补充资料：半煤岩巷掘进
见煤巷掘进。
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