financial support from the Fundamental Research Funds for the Central Universities of China (No. 2015QNB19);the financial support from the Open Fund of Key Laboratory of Safety and High-efficiency Coal Mining, Ministry of Education of China (No. JYBSYS2015107);the National Natural Science Foundation of China (Nos. 51404254, 41430317 and U1261202);the China Postdoctoral Science Foundation of China (No. 2014M560465);the Jiangsu Planned Projects for Postdoctoral Research Funds of China (No. 1302050B)
The level of deformation development of surrounding rocks is a vital predictor to evaluate impending coal mine disasters and it is important to establish accurate measurements of the deformed status to ensure coal min...