| 综放工作面快速推进端头支护技术 |
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| 引用本文： | 李卫东,屠洪盛.综放工作面快速推进端头支护技术[J].煤炭科学技术,2011,39(4):51-54. |
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| 作者姓名： | 李卫东 屠洪盛 |
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| 作者单位： | 1. 潞安环保能源开发股份有限公司,山西,长治,046204
2. 中国矿业大学,矿业工程学院,江苏,徐州,221008 |
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| 摘 要： | 为解决综放工作面端头支架移架困难,影响支护效率等问题,运用理论分析和现场实测的方法,对王庄矿5213综放工作面端头顶板支护参数进行测定,分析巷道表面位移和离层情况,对比分析了排头架、排尾架或单体液压支柱配合铰接顶梁支护和端头支架2种支护方式的矿压显现规律和平均移架时间。结果表明,在超前支承压力的影响范围50 m左右,巷道表面变形在300 mm之内,前种支护方式比端头支架支护方式的移架时间缩短了近1/2。因此,在现场操作中,端头顶板在原有5根锚杆的基础上,采用单体液压支柱配合铰接顶梁支护的联合支护更满足实际支护需求。
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| 关 键 词： | 综放开采 端头支护 端头支架 单体液压支柱 矿压规律 移架时间 |
Support Technology for Rapid Forward Face End of Fully Mechanized Top Coal Caving Mining Face |
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| LI Wei-dong,TU Hong-sheng.Support Technology for Rapid Forward Face End of Fully Mechanized Top Coal Caving Mining Face[J].Coal Science and Technology,2011,39(4):51-54. |
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| Authors: | LI Wei-dong TU Hong-sheng |
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| Affiliation: | LI Wei-dong1,TU Hong-sheng2(1.Lu'an Environment Protection and Energy Development Corporation Ltd.,Changzhi 046204,China,2.School of Mining Engineering,China University of Mining and Technology,Xuzhou 221008,China) |
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| Abstract: | In order to solve the face end support difficult removing,the influenced support efficiency and other problems of the fully mechanized top coal caving mining face,the theoretical analysis and the site measuring method was applied to measure the support parameters of the face end roof in No.5213 fully mechanized top coal caving mining face of Wangzhuang Mine and analyze the surface displacement and separation of the gateway.A comparison analysis was conducted on the mine strata pressure behavior law and aver... |
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| Keywords: | fully mechanized top coal caving mining face end support face end support system hydraulic single prop mine strata pressure law support moving time |
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