NDLI: Field Experiment on Bolt-Anchor Support Technology of Coal Roadway with Large Cross Section

Content Provider	IEEE Xplore Digital Library
Author	Yue Zhong-wen Yang Ren-shu Yan Zhen-dong Han Peng-fei Zhang Yao-hui
Copyright Year	2011
Abstract	In order to study the support design of large section roadway, filed experiment research of anchor- cable roadway support was carried out, with the engineering background of Zhaozhuang Mine of Jincheng Coal Industry Group. Field monitoring results indicate that, total deformation of Lane5101 is greater than Lane 5102 at the same amount of time, the ribs convergence value of Lane 5101 is 250mm, while Lane5102 is between 130mm to 150mm. The anchor¡¯s anchorage of upper rib is greater than lower rib, and the activity level of rock of upper roadway rib is greater than lower rib. The anchorage of cable at the middle of roof is larger than the sides of roof. The anchorage of cable at the middle of roof floats between 165KN and 168KN, while there is a big difference between the two sides of roof. Geological conditions are the main factors affecting the stability of roadway. The research also shows that the support of bolt and cable integration is an effective method to improve the surrounding rock stability of large section roadway.
Starting Page	2443
Ending Page	2447
File Size	5595344
Page Count	5
File Format	PDF
ISBN	9781612842783
DOI	10.1109/CDCIEM.2011.102
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-02-19
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Force measurement Large Section Roadway Force Coal Fasteners Rocks Field Experiment Stability of Surrounding Rock Support Technology Ribs Monitoring
Content Type	Text
Resource Type	Article

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