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Determination and Engineering Practice of Unsupported Roof Distance for Rapid Excavation of Roadway with Thick and Hard Basic Roof |
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| Authors: | Yang Sen Hua Xinzhu Yang Peng Liu Xiao |
| Institution: | 1.State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines, Anhui University of Science and Technology, Huainan, 232001, Anhui, China ;2.School of Earth Sciences, East China Institute of Technology, Nanchang, China ;3.State Key Laboratory of Coal Safety, Shenyang Branch of China Coal Research Institute, Fushun, China ; |
| Abstract: | Geotechnical and Geological Engineering - In order to determine the reasonable empty roof distance during roadway excavation, a mechanical model of the direct roof rock beam was established, and... |
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