|本期目录/Table of Contents|

[1]杨光宇,温经林,李琳,等.特厚煤层巷道冲击特征及冲击危险性评价方法研究[J].中国安全生产科学技术,2019,15(5):92-98.[doi:10.11731/j.issn.1673-193x.2019.05.015]
 YANG Guangyu,WEN Jinglin,LI Lin,et al.Study on rock burst characteristics of roadway in extrathick coal seam and risk assessment method of rock burst[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2019,15(5):92-98.[doi:10.11731/j.issn.1673-193x.2019.05.015]
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特厚煤层巷道冲击特征及冲击危险性评价方法研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
15
期数:
2019年5期
页码:
92-98
栏目:
职业安全卫生管理与技术
出版日期:
2019-05-31

文章信息/Info

Title:
Study on rock burst characteristics of roadway in extrathick coal seam and risk assessment method of rock burst
文章编号:
1673-193X(2019)-05-0092-07
作者:
杨光宇1温经林2李琳3王博4李乃录3张建5
(1. 天地科技股份有限公司 开采设计事业部,北京 100013;
2. 中国安全生产科学研究院,北京 100012;
3. 彬县水帘洞煤炭有限责任公司,陕西 彬县 713500;
4. 北京科技大学 土木与资源工程学院,北京 100083;
5.山东能源新汶矿业集团有限责任公司 生产技术部,山东 新泰 271233)
Author(s):
YANG Guangyu1 WEN Jinglin2 LI Lin3 WANG Bo4 LI Nailu3 ZHANG Jian5
(1. Department of Coal Mining and Designing, Tiandi Science and Technology Co., Ltd., Beijing 100013, China;2. China Academy of Safety Science and Technology, Beijing 100012, China;3. Binxian County Shuiliandong Coal Co., Ltd., Binxian Shaanxi 713500, China;4. School of Civil & Resources Engineering, University of Science and Technology Beijing, Beijing 100083, China;5.Production and Techndery Departmert, Shandong Eneryg Xinwen Mining Grop Linlited, Xintai Shandong 271233, China)
关键词:
特厚煤层巷道冲击特征冲击危险性评价卸压措施
Keywords:
roadway in extrathick coal seam rock burst characteristics risk assessment on rock burst pressure relief measure
分类号:
X936
DOI:
10.11731/j.issn.1673-193x.2019.05.015
文献标志码:
A
摘要:
通过研究特厚煤层巷道能量储存、应力分布及围岩强度特征,揭示了特厚煤层巷道与薄及中厚煤层相比具有储存能量多、应力影响范围广及围岩强度低的主要冲击特征。基于特厚煤层巷道冲击特征和冲击地压启动理论,提出了综合弹性能指数、应力比指数和冲击能量速度指数的冲击危险性评价多元指数法,建立了特厚煤层巷道冲击危险性的综合评价指标体系。将该评价指标体系应用于陕西某矿特厚煤层掘进期间巷道冲击危险性评价,根据评价结果对冲击地压危险区域采取了合理的卸压措施,保证了工作面的安全开采。
Abstract:
Through studying the characteristics of energy storage, stress distribution and surrounding rock strength of the roadway in extrathick coal seam, the main rock burst characteristics of the roadway in extrathick coal seam compared with the thin and mediumthick coal seams were revealed, such as the more energy storage, wider stress influence range and lower surrounding rock strength. Based on the rock burst characteristics of the roadway in extrathick coal seam and the theory of rock burst startup, a multivariate indexes method of the risk assessment on rock burst which integrated the elastic energy index, stress ratio index and impact energy speed index was put forward, then a comprehensive assessment index system for the rock burst risk of the roadway in extrathick coal seam was established. The assessment index system was applied in the risk assessment on rock burst of the roadway in extrathick coal seam for a mine in Shaanxi during the excavation period, and the reasonable pressure relief measures were applied in the risk area of rock burst based on the assessment results, which ensured the safe mining of working face.

参考文献/References:

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相似文献/References:

备注/Memo

备注/Memo:
收稿日期: 2019-03-22;数字出版日期: 2019-05-23
基金项目: 国家重点研发计划项目(2017YFC0804204);国家自然科学基金项目(51574149);中央高校基本科研业务费(FRF-AT-18-013,FRF-AT-18-016)
作者简介: 杨光宇,博士,主要研究方向为冲击地压灾害防治。
更新日期/Last Update: 2019-06-11