1) coal-rock mass
煤岩体
1.
To reduce energy accumulation of coal-rock mass, some reasonable methods have been put forward to prevent the occurrence of pressure bump.
运用能量原理研究了冲击地压的分类,并从力学角度解释了冲击地压能量释放机制,最后从降低煤岩体积聚能量的角度出发,提出了防治冲击地压发生的主要方法。
2.
Hydraulic fracture weakening technology for coal-rock mass is an efficient means to improve hard thickness top coal(high gas) caving property,deal with hard roof,prevent rook burst,increase coal seam permeability and avoid coal-gas outburst,which is safeguard technology for safety and high efficiency mining of coal mine.
煤岩体水力致裂弱化技术是改善坚硬厚(高瓦斯)顶煤冒放性、处理坚硬顶板、防治冲击矿压、改善煤层透气性和防治煤与瓦斯突出等的有效技术途径,是一项煤矿安全高效开采的保障技术。
2) coal and rock mass
煤岩体
1.
There are essential distinctions of deep coal and rock mass mechanic properties,and engineering response between under high temperature and high confining pressure and low temperature and under low confining pressure.
我国煤矿正在逐步进入深部开采阶段,深部煤岩体在高温高压作用下的力学性质和工程响应,与浅部煤岩体在低温低压作用下的力学性质和工程响应有着本质的区别。
4) instability problems
煤岩体失稳
1.
In this paper, the authors have studied the mechanics of dynamatic failure problems, that is, instability problems, such as coal burst, roof-floor rock burst, mine earthquake, and coal-gas outburst, which occur in coal mine.
本文对矿井中几种变形失稳现象:煤体冲击地压、矿震、顶底板冲击地压及煤与瓦斯突出,分别建立了煤岩体压缩、剪切、拉伸、固液耦合失稳模型及失稳判别准则,初步构画了矿井煤岩体失稳问题的框架。
5) coal and rock mass deformation
煤岩体变形
6) soft rock coal
软弱岩煤体
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