| 超千米深井大巷多维联合支护技术 |
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| 引用本文： | 赵兵文,杨军辉. 超千米深井大巷多维联合支护技术[J]. 煤炭科学技术, 2011, 39(4): 32-34,39 |
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| 作者姓名： | 赵兵文 杨军辉 |
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| 作者单位： | 1. 中国矿业大学(北京)资源与安全工程学院,北京,100083;冀中能源股份有限公司,河北,邢台,054021
2. 冀中能源股份有限公司,河北,邢台,054021 |
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| 摘 要： | 针对千米深井地压大、支护难以单一利用锚网支护解决这一难题,在详细分析邢东矿千米深井支护现存问题的基础上,对如何充分发挥锚网支护、环形支架和水泥注浆等支护技术优点和提高支护效果进行了研究,提出了多维联合支护技术,采用锚网梁支护配合U型钢环形支架、喷浆和巷道壁后注浆,使巷道支护体可以形成一个多层有效组合拱,达到提高围岩强度、改善锚网梁支护的综合效果。围岩平均变形速度由之前的2.9 mm/d降低到0.6 mm/d,大幅减少了巷道维修量,支护效果良好。
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| 关 键 词： | 千米深井 多维联合支护 U型钢环形支架 支架后充填 巷道壁后注浆 |
Multi Dimension Combined Support Technology of Mine Roadway in Over 1 000 m Deep Mine Shaft |
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| ZHAO Bing-Wen,YANG Jun-hui. Multi Dimension Combined Support Technology of Mine Roadway in Over 1 000 m Deep Mine Shaft[J]. Coal Science and Technology, 2011, 39(4): 32-34,39 |
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| Authors: | ZHAO Bing-Wen YANG Jun-hui |
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| Affiliation: | ZHAO Bing-wen1,2,YANG Jun-hui2(1.School of Resources and Safety Engineering,China University of Mining and Technology(Beijing),Beijing 100083,China,2.Jizhong Energy Stock Company Ltd.,Xingtai 054021,China) |
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| Abstract: | According to the unitary bolt and steel mesh support system hard to solve the high ground pressure support problems in a mine shaft with a depth over 1000 m,based on the detail analysis on the present support problems existed in the mine shaft with a depth over 1000 m in Xingdong Mine,the paper had a study on how to fully play the bolt and steel mesh support,the loop support,the cement grouting and other advantages and how to improve the support effect.The paper provide the multi dimension combined support ... |
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| Keywords: | over 1 000 m deep mine shaft multi dimension combined support U type steel loop support backfill behind supports back grouting of roadway side wall |
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