DOI: 10.11799/ce201611012
Surrounding rock reinforcement technology for large section coal roadway under great depth and multiple disturbances
SUN Zhi-yong
ZHANG Zhen
GUO Xiang-ping
DING Zi-wei
Abstract：Research on the reinforcement technology for large section coal roadway with great depth and multiple disturbances of Sihe mine was carried out with methods of surrounding rock structure filed observation, anchoring force test and underground experiment. Based on the observation and test results, the comprehensive reinforcement plan of deep-shallow hole grouting and high pre-stressed cable bolting was applied with the consideration of roadway deformation. Which recovered the original continuous state of broken surrounding rock with grouting, and improved the self-bearing capacity of surrounding rock with high pre-stressed cable bolting. Ground pressure monitoring results showed that, comprehensive reinforcement technology effectively controlled the deformation and maintain a long-term stability of the main entry.
Keywords：great depthdisturbing influencelarge sectioncoal roadwaysurrounding rock reinforcement technology
Publication Date：2016-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 38-41 )