|本期目录/Table of Contents|

[1]付帅.基于钻孔气体漏失量法巷帮卸压带宽度确定研究[J].中国安全生产科学技术,2018,14(11):121-126.[doi:10.11731/j.issn.1673-193x.2018.11.019]
　FU Shuai.Research on determination of pressure relief range at roadway sidewall based on borehole gas leakage quantity method[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2018,14(11):121-126.[doi:10.11731/j.issn.1673-193x.2018.11.019]
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基于钻孔气体漏失量法巷帮卸压带宽度确定研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
14
期数:
2018年11期
页码:
121-126
栏目:
职业安全卫生管理与技术
出版日期:
2018-11-30

文章信息/Info

Title:
Research on determination of pressure relief range at roadway sidewall based on borehole gas leakage quantity method
文章编号:
1673-193X(2018)-11-0121-06
作者:
付帅
（郑州航空工业管理学院 管理工程学院，河南 郑州 450046）
Author(s):
FU Shuai
(School of Management Engineering, Zhengzhou University of Aeronautics, Zhengzhou Henan 450046, China)
关键词:
煤矿; 卸压带; 钻孔气体漏失量法; 封孔法
Keywords:
coal mine;  pressure relief zone;  borehole gas leakage quantity method;  borehole sealing method
分类号:
X936；TD713
DOI:
10.11731/j.issn.1673-193x.2018.11.019
文献标志码:
A
摘要:
为确定巷帮卸压带宽度，合理布置巷道位置及确定封孔长度，提出了钻孔气体漏失量法，对某矿巷帮卸压带宽度进行了测试，并与封孔法所得结果进行对比分析。研究结果表明：钻孔封孔法测定卸压带宽度为9～10 m;钻孔气体漏失量法因充入高压气体使原始裂隙遭受楔形劈裂作用，造成裂隙扩张，测试结果为11 m，略大于封孔法测试结果；根据矿井实际抽放钻孔情况，结合漏失量法及封孔法测试结果综合确定该矿巷帮卸压带宽度为9～10 m。利用钻孔指标法进行验证，借助钻屑量、瓦斯涌出初速度及钻屑瓦斯解吸指标3个参数综合确定卸压带宽度为9～10 m，所得结果与封孔法测试结果一致，略小于漏失量法，说明对钻孔气体漏失量法所得结果适当修正后可进行卸压范围确定。
Abstract:
In order to determine the range of pressure relief zone at the roadway sidewall, so as to reasonably arrange the roadway position and determine the borehole sealing depth, a method of borehole gas leakage quantity was put forward. The width of the range of pressure relief zone at the roadway sidewall in a certain mine was tested, and the results were compared and analyzed with the results of borehole sealing method. It showed that the width of pressure relief zone measured by the borehole sealing method was 9-10 m. The original fissure bore the wedgeshaped splitting action due to the filling of highpressure gas by the method of borehole gas leakage quantity, which made the fissure expand, and the test result was 11 m, which was slightly higher than that of borehole sealing method. According to the actual drilling and drainage conditions of the mine, the width of pressure relief zone at the roadway sidewall in the mine was comprehensively determined to be 9-10 m by combining the method of borehole gas leakage quantity and borehole sealing. The verification was carried out by using the borehole index method, and the width of pressure relief zone was comprehensively determined to be 9-10 m with the help of three parameters including the amount of cuttings, the initial velocity of gas emission and the gas desorption index of cuttings. The obtained results were consistent with the test results of borehole sealing method and slightly smaller than that of borehole gas leakage quantity method, which indicated that the results of borehole gas leakage quantity method can be used to determine the range of pressure relief zone after the proper correction.

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备注/Memo

备注/Memo:
收稿日期： 2018-09-20
作者简介： 付帅，博士，讲师，主要研究方向为安全生产技术及灾害防控技术。
更新日期/Last Update: 2018-12-03