supported by the National Basic Research Program of China (No.2006CB202200);the Ministry of Education Innovation Team Project (No. IRT0656);the Central University Basic Research Special Fund Operating Expense (No.2009QL06);the New Century Excellent Talents Support Projects of Ministry of Education (No.NCET-08-0833);the National Natural Science Foundation of China (No.41040027)
Geomechanics in deep mines becomes more complex and structural support in soft rock can be very difficult.Highly stressed soft rock subject to expansion deformation is particularly difficult to control.The Tiefa Coal ...
the National Basic Research Program of China (No.2006CB202200);the National Major Project of the Ministry of Education (No. 304005);the Program for Changjiang Scholars and Innovative Research Team in University of China (No. IRT0656)
The auxiliary shaft is an important location for coal mine heating in the winter, where the main purpose of heating is to prevent icing of the shaft. Wellhead heating requires characteristics of openness, no-noise and...