provided by the National Natural Science Foundation of China(No.51074165);the NationalKey Basic Research Program of China(No.2013CB227905);the Qing-Lan Project of China Scholarship Council
To analyze the overlying strata movement law of recovering room mining standing pillars with solid backfilling.Physical simulation experiments with sponge and wood as the backfilling simulation material were tested.Th...
Financial supports for this work provided by the National Natural Science Foundation of China (No. 51074165);the Key Program of National Natural Science Foundation of China (No.50834004);A Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions (No.SZBF2011-6-B35)
Based on the principle of fully mechanized backflling and coal mining technology and combined with the Xingtai Coal Mine conditions, we mainly optimized the coal mining equipment and adjusted the coal mining method in...