2) top coal fracture
顶煤压裂
1.
The author systematically studies change law of the damage variation D on top coal fracture with Mining depth H,coal strenth R c and seam thickness by elastic plastics coupling finiteelement numerical value analysis with cross test.
运用弹塑性耦合有限元数值分析正交试验法 ,系统研究了放顶煤开采中顶煤压裂的损伤变量 D随开采深度 H,煤的强度 Rc 和煤层厚度的变化规律 ,得出开采深度和煤的强度是影响顶煤损伤参数的主要因素 ,煤层厚度等因素影响是微弱
3) mining pressed coal
压煤开采
1.
Based on the previous achievements,the effect of mining subsidence on the safety of the dam,the possibility of leakage and rapid drawdown of water level in the reservoir by mining pressed coal and the influence of mining pressed coal on the seepage field were investigated by the synthesis method combined with field-survey,indoor-test and numerical simulation.
在前人研究成果的基础上,采用现场调研、室内试验、数值计算相结合的综合方法,研究了开采沉陷对大坝安全的影响、压煤开采引发库区渗漏及库水位骤降的可能性及对库区渗流场的影响。
4) coal seam Stubble Repeating
煤层压茬
5) pressed coal in village
村庄压煤
1.
According to the conditionof the geology structure in Qianling district and the situation of the building on the ground,Two mining-methods about pressed coal in villages are putted.
根据前岭煤矿地质条件和地面建筑物情况,提出了两种村庄压煤开采方案,对两种开采方案从技术、经济角度进行论证、分析,确定了全采搬迁方案。
6) coal in seam under the reservoir area
库区压煤
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