Study on Mountainous Shallow-Buried Coal Seam Mining Working Face Strata Behaviors and Overlying Strata Movement Features

被引：4

作者：

Liu, Guolei ^{[1
,2
]}

Fan, Kegong ^{[2
,3
]}

Xiao, Tongqiang ^{[4
]}

机构：

[1] China Univ Min & Technol, Sch Mech & Civil Engn, Beijing 100083, Peoples R China

[2] State Key Lab Coal Resources & Safe Min, Xuzhou 221008, Peoples R China

[3] Shandong Univ Sci & Technol, Minist Educ, Key Lab Mine Disaster Prevent & Control, Shandong 266510, Peoples R China

[4] Henan Polytech Univ, Inst Resources & Environm, Jiazhou 454000, Peoples R China

来源：

FRONTIERS OF MANUFACTURING AND DESIGN SCIENCE II, PTS 1-6 | 2012年 / 121-126卷

关键词：

Mountainous shallow-buried coal seam mining; Working face strata behaviors; Movement feature of overlying strata;

D O I：

10.4028/www.scientific.net/AMM.121-126.2911

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Through testing the mountainous shallow-buried coal seam mining working face strata behaviors in Faer mine field, it got the strata behaviors: it Was of large roof pressure, high rate of safety valve opening in hydraulic support, and even some supports crushed or took separation between top beams and tail beams. Traditional method of calculating supports' resistance can not be applied to mountainous shallow-buried coal seam mining working face. With the discrete element simulation software UDEC it analyzed the strata movement feature, and got that the overlying strata took collapse and horizontal displacement after mountainous shallow-buried coal seam mined, and the strata movement feature was different between reverse slope mining and positive slope mining.

引用

页码：2911 / +

页数：2

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