[1]曹建涛 来兴平 葛睿智.浅埋近距煤层群开采扰动荷载传递作用分析[J].西安建筑科技大学学报(自然科学版),2017,49(02):215-219.[doi:10.15986/j.1003-7930.2017.02.009]
　CAO Jiantao,LAI Xingping,GE Ruizhi.Analysis of mining disturbance loading transmission in shallow close coal seams group[J].J. Xi’an Univ. of Arch. & Tech.(Natural Science Edition),2017,49(02):215-219.[doi:10.15986/j.1003-7930.2017.02.009]
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浅埋近距煤层群开采扰动荷载传递作用分析()
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西安建筑科技大学学报（自然科学版）[ISSN:1006-7930/CN:61-1295/TU]

卷:
49
期数:
2017年02期
页码:
215-219
栏目:
出版日期:
2017-04-28

文章信息/Info

Title:
Analysis of mining disturbance loading transmission in shallow close coal seams group
文章编号:
1006-7930(2017)02-0215-05
作者:
曹建涛1; 2 来兴平1; 2 葛睿智1; 2
（1.西安科技大学能源学院，陕西 西安 710054；2.教育部西部矿井开采及灾害防治重点实验室， 陕西西安 710054）
Author(s):
CAO Jiantao1; 2;  LAI Xingping1; 2;  GE Ruizhi1; 2
(1. Energy School, Xi’an University of Science and Technology, Xi’an 710054, China) (2. Key Laboratory of Western Mines and Hazard Prevention, Ministry of Education of China, Xi’an 710054, China)
关键词:
浅埋近距煤层; 薄顶板; 载荷传递
Keywords:
shallow contiguous coal seams;  thin coal roof;  loading transmission
分类号:
TU11
DOI:
10.15986/j.1003-7930.2017.02.009
文献标志码:
A
Abstract:
The study on loading transmission of thin coal roof in shallow contiguous coal seams was applied by physical simulation experiments in order to solve the problem of severe roof weighting .Traits of underground pressure and relationships between roof fracture and loading transmission were clear. It indicated that strata behaviors in the study area were salient definitely and pressure intensity was violent in general. The distance between working face and stress peak zone is about 20 m while the distance of abutment pressure significantly affect about 40m. The value of stress is generally 6 ~ 10 MPa and the range of stress concentration factor is 2 to 3.3. In the same vein main roof was apt to cause tension cracks in the front of working face. Periodic pressure resulted in bedded rock plates being differential arc which would rotate to form hinge structure emerging phenomena of re-arch.The load-transmitting factor is 4.63 by calculating. According to acoustics emission (AE) monitoring high frequency and energy signals were dominant. Furthermore, strata caused obvious loading transmission when AE signals increased abruptly or decreased after continuously raising

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2016-01-20 ? 修改稿日期：2017-03-20
基金项目国家重点基础研究计划(973)项目(2015CB251600);国家自然科学基金重点项目(U1361206)
作者简介曹建涛(1981),男,博士,讲师,主要从事采空区动力灾害预报与控制研究. Emai：463583050@qq.com.1离层
更新日期/Last Update: 2017-06-09