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- big inclined thick coal seam 大倾角厚煤层
- Water-coal mixture burst is a new mine disaster in exploiting steeply inclined thick coal seam mining. 摘要急倾斜厚煤层开采时发生的水煤体溃泄是一种新的矿井灾害。
- The severe inclined thick coal seam,being its special geological storage conditions,is weakly extracted and the recovery rate is comparatively low. 急倾斜特厚煤层因其特殊的地质赋存条件,导致开采强度小,资源回收率低。
- The movement of top coal and top roof is discussed with the data observed from the caving mining of deeply inclined thick coal seam with horizontal section in Zhaogezhuang colliery of Kailuan Group. 就开滦集团赵各庄矿在急倾斜厚煤层采用水平分段开采过程中的现场观测，探讨顶煤和顶底板运移。
- Movement Rule of Top Roof and Top Coal in Horizontal Section Caving Mining in Deeply Inclined Thick Coal Seam 急倾斜厚煤层水平分段放顶煤开采顶板和顶煤运移规律研究
- Ground pressure behavior in top coal caving face supported by light hydraulic prop under condition of steep inclined thick coal seam 大倾角厚煤层轻放采场矿压显现特点
- Underground Pressure Behavior and Its Control of Long-wallFull-mechanized Caving Mining Field under Hard Roof in Steeply Inclined Thick Coal Seam 急-倾斜厚煤层坚硬顶板长壁综放采场矿压及控制
- Application of Single Hydraulic Supports with Suspension Type of Force Plunger in Medium Thick Coal Seam with Big Inclination 柱塞悬浮式单体液压支柱在大倾角中厚煤层中的应用
- steeply inclined and extremely thick coal seam 急倾斜特厚煤层
- Usually for mining maximal coal resources,repeated mining is used especially in specially thick coal seam. 为了最大限度的开采煤炭资源,通常进行复采,尤其是特厚煤层。
- This thesis analyses the reasons of the destruction of Yanbei colliery high pressure large span inclined thick coal seem roadways and probes the law of pressure distribution of this kinds of roadways. 本文对砚北矿高地压、大跨度、倾斜特厚煤层巷道破坏原因进行了详细分析，探讨了此类巷道的压力分布规律，并通过现场量测，证实了压力分析的正确性。
- The safety system of extremely thick coal seam is built and the extremely thick coal seam with coal bumping tendency in Qianqiu coal mine is extr... 在此基础上建立了适合义煤千秋矿巨厚煤层冲击地压防治的安全开采体系;成功地进行了巨厚煤层的综放开采;从而为有冲击倾向巨厚煤层的安全开采提供了成功范例.
- Its main mineable coal seam belongs to very thick coal seam.The coal seam texture and coal rank configuration are generally very complex. 主采煤层属巨厚煤层,其煤层结构和煤种结构一般都很复杂,按不同煤种进行分层开采,有利于煤炭资源合理利用。
- The equipment of mining overall height of thick coal seam in one times in Daxing Coal Mine and experiences of production manage am introduced. 介绍了大兴矿厚煤层一次采全高回采工作面的装备情况及生产管理方面的经验。
- To meet the needs of the development of shearers in heavy duty and thick coal seam,the megawatt low-speed high-torque drive unit test system is required. 针对采煤机向大功率、厚煤层方向发展的需求,研制开发低速大扭矩传动装置试验系统。
- Combining with the actual situation in Qianqiu coal mine, the technology for comprehensive gas treatment in spontaneously inflammable and specially thick coal seam is introduced. 结合千秋煤矿实际情况,介绍了易自燃特厚煤层瓦斯综合治理技术。
- Taken Xinhe Colliery 3101 workface as the concrete condition, phenomenon law of underground pressure in great-inclined thick coal seam mechanized top coal caving is studied. 本文以新河煤矿3101工作面为具体条件，研究了大倾角厚煤层综放开采矿压显现规律。
- Due to the special natural reserve conditions of steeply inclined short_interval thick coal seams,it is difficult to adopt mechanical mining and have severe influence between different coal seams. 急倾斜近距离厚煤层因其特殊的赋存条件,导致难以实行机械化开采且开采时煤层间相互影响严重。
- The fact shows that the single leg type shield support and the technology of discharging coal in the side is an efficient method of coal mining under the condition of steep thick coal seam. 通过井下生产实践表明：单腿支撑柔性掩护支架采煤法和侧向放煤技术相结合是开采大倾角厚煤层一个新的、有效的采煤方法。
- big inclined angle coal seam 大倾角煤层
