the National Basic Research Program of China (No.2005CB221503);the National Natural Science Foundation of China (Nos.70533050 and 50674089);the National Foundation for the Youth of China (No.50904068);the Research Fund for the Youth of China University of Mining & Technology (No.OY091223)
Based on theoretical analysis, similarity simulation tests, numerical simulation analysis and field observations, we analyzed rock collapse and rules of fraction evolution of overlying rocks and studied the rules in c...
the National Basic Research Program of China (No.2005CB221503);the Major Program of the National Natural Science Foundation (Nos.70533050 and 50674089) for their support of this project
Since the capacity of CO2 adsorption of coal is a key factor in coal and CO2 outbursts,an experimental study was carried out on CO2 isothermal adsorption with high-pressure volumetry with dry coal samples from the No....