1)steep seam急斜煤层
1.The horizontal section top coal caving in steep seam is different from the gently inclined seam.急斜煤层水平分段放顶煤开采与缓斜煤层不同,工作面沿煤层厚度的水平线布置,长度短。
2.It mostly study on the content of the relationship between support and surrounding rock in longwall top-coal caving mining of steep seam by using field observation, theory calculation, similar and numerical simulation.本文结合新疆乌鲁木齐矿区的实践,利用现场实测、理论计算、相似模拟和数值模拟等手段,以急斜煤层综放开采“支架-围岩”相互作用关系为核心研究内容,对急斜煤层综放开采的工作面矿压显现规律、开采引起的上覆层结构形式、顶煤冒落特点和支架合理结构的分析等相关内容全面地进行了研究,取得了一些有创建性的研究成果。
英文短句/例句
1.Stability analysis of basic roof in fully-mechanized top-coal caving mining of the steep seam急斜煤层综放开采中基本顶的稳定性
2.Strata Behavior in Large Section Face of Steep Seams急斜煤层大段高工作面矿压显现规律
3.Selection of Reasonable Section Heights During Top-coal Caving to Steep Seams急斜煤层分段放顶煤开采合理段高选择研究
4.Study on Gateway Top Caving Technology for Steep-inclined Coal Seam急倾斜煤层巷道放顶煤回采工艺研究
5.Analysis of Mining Steeply Inclined Coal Seam with Bursting Risk in Small Colliery小煤矿急倾斜突出煤层开采方法探析
6.Comparison of strata movement between section and slicing of top coal mining in steep and thick seams急斜厚煤层分层与分段放顶煤岩层移动对比
7.Study of Overburden Water Flowing Fractured Zone Height of Steep Seam Mining急倾斜煤层覆岩导水裂隙带高度研究
8.Support Technology of Roadways Driving in Steep Middle Thick Coal Seam急倾斜、中厚煤层巷道掘进支护技术
9.Safety top-coal-caving of heavy and steep coal seams under complex environment复杂环境下急倾斜特厚煤层安全开采
10.Study on assorted technique of full-mechanized equipments for high-dipping thick Layer急倾斜厚煤层综放设备配套技术研究
11.Study on Technology of Top-coal Caving Mining of Lane Pillar in 3.5～10m Steeply Inclined Coal Seam;3.5～10m急倾斜煤层巷柱式放顶煤开采技术研究
12.Numerical Analysis on Combining Mining of Steep and Close Seam in Jiangou Coal Mine;碱沟煤矿急斜近距煤层联合开采的数值分析
13.Study the Laws about Steep Soft Coal Seam Coal and Gas Outburst;急倾斜松软煤层煤与瓦斯突出规律研究
14.Research on Reasonable Dimension of Protective Pillar for Cross-cutin Steeply Inclined Coal Seam急倾斜煤层石门保护煤柱合理尺寸研究
15.Combin gateway and pillar with fully mechanized top cawing mining technology in steep inclined special thick seam急倾斜较薄特厚煤层巷柱-综采放顶煤开采技术
16.Mechanism of Water-Coal Mixture Burst in Exploiting Steeply-Inclined Thick Coal Seam急倾斜厚煤层开采水煤体溃泄机理研究
17.Exploration and Application of Support Methods in Half Coal Rock Roadway in Steep Coal Seam急倾斜煤层半煤岩巷支护方法的探索与应用
18.Study on Installation of Fully-mechanized Coal Mining Equipments in Steep Coal Seam急倾斜煤层综合机械化采煤设备安装的研究
相关短句/例句
steep coal seam急斜煤层
1.Analysis of instability characteristics of surrounding rock within horizontal section caving face in steep coal seam急斜煤层水平分段综放开采围岩失稳特征分析
3)steep seam急倾斜煤层
1.Repetitive mining subsidence with thick soil layers and steep seam;厚冲积层急倾斜煤层群开采重复采动下的开采沉陷
2.Similar material simulation study on the mining overburden movement law in steep seam;急倾斜煤层开采上覆岩层运动规律模拟研究
3.Model and its application on the evaluation of degree of difficulty of top coal caving in steep seam;急倾斜煤层顶煤可放性评价模型及应用
4)steeply inclined coal seam急倾斜煤层
1.Based on the analysis of problems in slope mining in steeply inclined coal seam in Datai Mine, 3 improvement projects were put forward according to on-the-spot application status.分析了大台矿急倾斜煤层斜坡式开采存在的问题,结合现场应用情况,提出3种改进方案,条件适宜时,配合机械化水平的提高,可提高生产效率和经济效益。
2.Aimed at the steeply inclined coal seam of Datai Mine,practicable prevention measures are put forward and better effective is obtained.结合大台井急倾斜煤层提出了相应的切合实际的防治措施,如防治冲击矿压的钻孔布置、注水设备的选择、注水工艺参数的确定等,收到了较好的实效。
3.Based on the #403 face entry of Guandi coal mine,the characters of steeply inclined coal seam entry maintenance is introduced.以官地矿403工作面回采巷道为工程背景,介绍了急倾斜煤层巷道的维护特点,分析了该巷道的支护难题。
5)steep coal seam急倾斜煤层
1.Determination of local caving rule in steep coal seam repeated mining and safe mining height;急倾斜煤层复采抽冒规律与安全开采高度确定
2.In order to predict the mining effect and choice the technical decision,the comprehensive evaluation on steep coal seams was taken.为了预测急倾斜煤层开采的效果和决策辅助技术,对急倾斜煤层可采工艺性进行综合评价。
3.The paper summarised technology for guick-equiping and withdrawing powered support is suitable for steep coal seam and is ripe experience.总结了液压支架快速安装与回撤技术,该技术适用于急倾斜煤层,且已日趋成熟。
6)steeply inclined seam急倾斜煤层
1.Aimed at the character of the steeply inclined seam,the reasonable roadway arrange,production technology and safety measure are used.针对急倾斜煤层的特点,采用合理的巷道布置、生产工艺和安全措施,通过现场实际开采,摸索经验,实施巷道长壁长孔爆破采煤法,为今后急倾斜煤层开采寻找安全之路。
2.By force of pratise of +615 m 49 coal in Xiaohua coal mine,the text introduces mina points of no-stumping technoloy in steeply inclined seam mining,by laying manual seam roof,the coal recovery rate will be increased,and visible economic benefit will be tokenout.介绍急倾斜煤层无煤柱开采工艺技术要点,通过小华矿+615 m区段49#工作面实践,铺设人工假顶,提高资源回收率,取得明显经济效益。
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