1) full-seam mining by fully mechanized sub-level caving mining
综放全厚开采
3) full-mechanized caving mining
综放开采
1.
Aiming at the characteristics of large falling height and complex falling configuration in full-mechanized caving mining,three-dimensional distinct element code-3DEC is employed to simulate falling rules of surrounding rock in gob,movement direction of rock beam and possible dynamic loading brought by it with different collapse geometry parameters in full-mechanized caving mining face.
基于综放开采,采空区冒落高度大、冒落形态复杂的特征,采用三维离散元程序3DEC模拟分析了综放工作面岩层不同垮断几何参数时的采空区覆岩冒落规律、岩梁运动趋势及其对采场可能带来的动载荷。
2.
According to Datong "dual hard" full-mechanized caving mining conditions,the practice of fire prevention and extinguishment technology by optimizing the ventilation systems,balancing gas pressure,spraying frog in working face,injecting nitrogen into coal seam,and grouting into gob in full-mechanized caving mining face was discussed.
针对大同两硬条件综放开采的特点,论述了利用通风系统优化、均压防灭火、工作面喷雾阻化、注氮惰化、采空区注浆等综合防灭火技术防治自然发火的实践,对其他矿区有一定的参考价值。
3.
Based on in-situ observation of underground pressure in full-mechanized caving mining coal seam with large dip angle and 1000m deep in Zhaogezhuang Colliery,Kailuan Group,the behavior of underground pressure of mining face with large dip angle is fully analyzed in this paper.
结合开滦赵各庄矿千米深部大倾角综采放顶煤的开采,通过现场矿压观测,较全面地分析研究了大倾角工作面的矿压显现规律,提出了影响大倾角煤层开采矿压的因素及大倾角工作面综放开采矿压显现的新特征。
4) fully mechanized top-coal caving
综放开采
1.
in the process of determining the length of mining face which influences the effect of mining,many factors influence the determination of the length for fully mechanized top-coal caving face.
为了解决高瓦斯厚煤层综放开采合理工作面长度的确定问题,采用理论分析和现场实验的方法,在对高瓦斯厚煤层综放工作面长度的多种因素分析的基础上,对以工作面通风能力校核工作面长度的经验公式进行了比较分析,提出了适合综放开采的以工作面通风能力确定工作面长度的校核公式。
2.
In this paper,the mechanical field characteristics of fully mechanized top-coal caving(FMTC) laneway surrounding rock are researched systematacially based on the results of in-situ measurement combined with numerical simulation in different mining thickness.
该研究成果为采场巷道合理布置与维护及综放开采动力灾害的防治,提供了理论依据。
5) fully mechanized top coal caving
综放开采
1.
Intenerating technique of top coal in fully mechanized top coal caving hard thick coal seam;
硬厚煤层综放开采顶煤弱化技术研究
2.
Support instability is a normal phenomenon in the fully mechanized top coal caving face with steep coal seams.
支架失稳是大倾角煤层综放开采中常见的现象,本文结合东滩煤矿1301面42°倾角,特厚煤层的条件,对支架下滑、倾倒、尾部受扭3种主要失稳方式的机理进行了研究。
3.
The effect of drawing top coal window parameter,drawing procedure,and drawing interval on coal-gangue flow field resulted from great mining height fully mechanized top coal caving was analyzed based on theory and loose material model experiment.
采用理论和散体模型实验分析了大采高综放开采放煤口参数、采放比、放煤工序和放煤步距对煤矸流场的影响。
6) fully mechanized top coal caving mining
综放开采
1.
Research on fully mechanized top coal caving mining technology for ultra thick seam with high tenacity, easy to be combusted and hard to be falling;
高韧性易自燃难冒特厚煤层综放开采技术研究
2.
Research on coal caving characteristics and caving technology for fully mechanized top coal caving mining face in thick seam with complicated parting structure;
含夹矸结构复杂厚煤层综放开采顶煤放出特点与放煤工艺研究
3.
Research on movement and displacement failure features of top coal and strata in fully mechanized top coal caving mining in thinner thick seam;
较薄厚煤层综放开采顶煤岩运移破坏特征研究
补充资料:如此江山 泛曲阿后湖 曲阿词综曲阿词综中,
【诗文】:
依依杨柳,青丝缕、掩映绿波南浦。燕掠横斜,鳞游荡漾,恰是湔裙时序。清泠如许。恍镜影空磨,簟痕密聚。欲问伊人,且自溯洄前渚。并倚木阑无语。到来还、远树遥山,凝眸同睹。雁齿参差,*流逦迤,多少鸥群鸳侣。最饶闲趣。且酒斟绿蚁,玉杯时举。*乃一声,移入柳阴深处。西半夜惊罗一首,乃黄 词。 眼儿媚萧萧江上荻花秋一首,乃张孝祥词。堞恋花越女采莲秋水畔一首,乃欧阳修词。相见欢无言独上西楼一首,
【注释】:
【出处】:
依依杨柳,青丝缕、掩映绿波南浦。燕掠横斜,鳞游荡漾,恰是湔裙时序。清泠如许。恍镜影空磨,簟痕密聚。欲问伊人,且自溯洄前渚。并倚木阑无语。到来还、远树遥山,凝眸同睹。雁齿参差,*流逦迤,多少鸥群鸳侣。最饶闲趣。且酒斟绿蚁,玉杯时举。*乃一声,移入柳阴深处。西半夜惊罗一首,乃黄 词。 眼儿媚萧萧江上荻花秋一首,乃张孝祥词。堞恋花越女采莲秋水畔一首,乃欧阳修词。相见欢无言独上西楼一首,
【注释】:
【出处】:
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