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| Study on dilatancy anchorage theory and support scheme of No.3 working face roadway in Houcun Mine coal seam |
| Huo Yanyan |
1. Shanxi Qinhe Energy Group Corporation Houcun Mine, Jincheng 048025, China;
2. School of Mining Engineering, Taiyuan University of Technology, Taiyuan 030024, China |
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Abstract Based on stability analysis and evaluation of surrounding rock in No.3 working face roadway, design of anchorage support scheme in 3601 working face roadway was taken as an example. Application of shear dilatancy anchorage theory analysis method as well as design and calculation of roof rock anchoring strength were discussed. Meanwhile, its design scheme, anchoring materials and construction technology were proposed. The results of engineering application showed that this design scheme had advantages of good protection and low cost, met requirements and provided reference for similar situations.
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