1) deep inclined thin coal seam
大倾角薄煤层
1.
It's better that taking single seam mines coal in deep inclined thin coal seam in security and economy by comparison in the same condition.
针对大安山煤矿中区地质条件与煤的赋存状况,应用相似模拟理论和相似材料模拟实验方法,结合煤岩物理力学实验,通过观测煤岩失效过程,研究大倾角薄煤层回采时顶板冒落状况和矿压显现规律。
2) thinner thick coal seam with large dip angle
大倾角较薄厚煤层
1.
This paper introduces the general situation of working face,sums up the support work management,the roof control and precautious measures adopted for single hydraulic prop in thinner thick coal seam with large dip angle,and in the light of the problems existing in the application of single hydraulic prop,put forward some improvement suggestyions.
简要介绍了工作面概况,总结了单体液压支柱在大倾角较薄厚煤层开采中的支护管理、顶板管理以及安全措施等,针对单体液压支柱应用中存在的问题,提出了改进建议。
3) deep inclined seam
大倾角煤层
1.
Analysis on numerical simulation of bolt support for mining gateway in deep inclined seam;
大倾角煤层回采巷道锚杆支护的数值模拟分析
2.
Gateway and pillar top coal caving mining technology in deep inclined seam with thickness between 3.5 to 10m;
3·5~10m大倾角煤层巷柱式放顶煤开采技术
4) steep coal seam
大倾角煤层
1.
Based on the strata behaviors of steep coal seams, the forms of roof breakage and movement were studied.
根据大倾角煤层采场矿压显现特点 ,对采场顶板岩层的运动、破坏形式进行了研究 。
6) deeply inclined coal seams
大倾角煤层
1.
Coal mining method in the deeply inclined coal seams with hydraulic powered shield supports on single leg sustai;
大倾角煤层单腿支撑式柔性掩护支架采煤法
2.
Beside on the overall analysis roof accidents of deeply inclined coal seams in Huainan mining group company during the period of 1988~2002,the types,characteristics,causes and its prevention measures of roof accidents in deeply inclined coal seams were discusse
在对淮南矿业集团大倾角煤层工作面1988~2002年间发生的顶板伤亡事故分析研究的基础上,阐述了大倾角煤层采场顶板事故类型、特点、原因及其预防措施。
3.
Beside on the overall analysis roof accidents of deeply inclined coal seams in Huainan mining group company during the period of 1988-2002,the types,characteristics,causes and its prevention measures of roof accidents in deeply inclined coal seams were discusse
在对淮南矿业集团大倾角煤层工作面1988-2002年间发生的顶板伤亡事故分析研究的基础上,阐述了大倾角煤层采场顶板事故类型、特点、原因及其预防措施。
补充资料:倾角
分子式:
CAS号:
性质:又称倾斜角。从水平面量起的角度。皮带输送机输送某种颗粒状物料时,可以按此角度倾斜,共值由试验或经验确定。
CAS号:
性质:又称倾斜角。从水平面量起的角度。皮带输送机输送某种颗粒状物料时,可以按此角度倾斜,共值由试验或经验确定。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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