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- minerless workface 无人工作面
- This paper introduces that tilting prevention support group is developed and applied result in inclined seam workface. 介绍专为倾斜煤层采煤工作面研制的单体防倒组合支架及其应用效果。
- There are two test situations of saft product to procluce level in 1307 workface zhangcun coal m... 结合潞安漳村煤矿1307工作面安全生产创水平前后的两次试验情况,就工作面系统可靠性对高产高效的影响进行了分析。
- The results indicate,in the large cutting height workface,there is no wallop and no st... 采场支架以静载为主,静载计算力学模型可以满足顶板控制要求。
- Through this way is known:superlong fulling mechanized workface is better than common in economic benefit.So it is a wa... 通过类比的方法,分析了超长综放面在经济效益上优于普通综放面,提出了提高矿井综合效益的方法。
- The destable of other similar support as wellas the sliding roof beam sapport, may be taken place in roof caving workface. 认为在放顶煤工作面，不仅滑移顶梁支架会失稳，其它类似支架也可能发生失稳。
- The geological structure and abnormity scope in workface can be confirmed precisely by seismic wave CT multi-wave detecting and explaining. 利用地震波CT多波联合探测反演与解释,可精确确定工作面内的地质构造及异常范围。
- The reason of the spontaneous ignition at workface gob is analyzed.The fire place is judged.The measures and effects of fire-fighting are elaborated. 对工作面采空区自燃发火的原因进行分析,对火源位置进行判断,阐述了灭火方案及取得的效果。
- 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。
- Whereas the character of roof's movement and falling caused by coal seam is shallow in Shen-dong mine district, the workface advance rate must be picked up dur... 鉴于神东矿区煤层埋藏浅而引起的顶板移动、跨落特点，在回采过程中加快工作面推进速度，能够比较有效的控制顶板岩层。
- Intoduces that uses breeding fire prevent and cure technology to reduce distribution air volume, quicken workface promoted speed, in high seam mining, it may remove breeding fire accidents in roadway. 介绍了厚煤层开采中采用减少配风量、快工作面推进速度、少采空区遗煤、空区灌浆、氮、采结束的采空区防火技术,能够消除巷道自燃发火事故。
- The dynamic developing process of destroy of mined overlie rocks of l2205 workface has been simulated by a kind of softwaxe--arPA and, its result inosculates resultof spot measure. 利用RFPA软件，模拟了12205工作面采动后其上覆岩体破坏的动态发展过程，模拟结果与实测结果吻合。
- Intoduces that uses breeding fire prevent and cure technology to reduce distribution air volume,quicken workface promoted speed,in high seam mining,it may remove breeding fire accidents in roadway. 介绍了厚煤层开采中采用减少配风量、加快工作面推进速度、减少采空区遗煤、采空区灌浆、注氮、回采结束的采空区防火技术,能够消除巷道自燃发火事故。
- During mining, the stress behaviors of workface are very obvious.Thin rock strata of roof fall by full thick, procreant cranny reach the earth's surface and have clearly sidesteppedsubsidence. 在回采过程中，工作面矿压显现比较明显，顶板基岩沿全厚切落，产生的裂隙通达地表并有明显的台阶下沉。
- During mining, the stress behaviors of workface are very obvious.Thin rock strata of roof fall by full thick, procreant cranny reach the earth's surface and have clearly sidestepped subsidence. 在回采过程中，工作面矿压显现比较明显，顶板基岩沿全厚切落， 产生的裂隙通达地表并有明显的台阶下沉。
- Based on the gushing of gas, crack of top coal and "O" circle theory, the paper brings up the design for gas drawing and ventilation method, and designs the extraction method for high output workface. 为了解决影响实现万吨工作面的问题,通过对瓦斯涌出的分析,基于顶煤裂隙分布发育规律及“O”圈理论设计了瓦斯抽放及通风排瓦斯方式,设计提出了实现高产高效工作面的回采工艺。
- Taking gas control of workface as example, this paper introduces high break exhaust roadway, coal seam driling pre - exhanst and exhaust of coal seam end roadway,comprehansive method control gas. 以综采工作面瓦斯治理方法为例,介绍了在高瓦斯地质条件下所采取的高位裂隙抽放巷、煤层钻孔预抽、煤层尾巷抽放等方法,综合治理瓦斯。
- Method of Passing Fault Coal Seam in 5103 Workface 5103综放面过断层方法
- fully - mechanized coal driving workface 综掘工作面
- gob of fully mechanized top-coal workface 综放采空区
