supported by the Fundamental Research Funds for the Central Universities(Nos.2010QNB25 and 2012LWB66);the National Natural Science Foundation of China(Nos.51323004,51074163 and 50834005);the Trans-Century Training Programme Foundation for the Talents by the State Education Commission(No.NCET-08-0837);the"Six Major Talent"Plan of Jiangsu Province and the Graduate Innovation Fund Project of Jiangsu Province(No.CXZZ13_0924)
Based on the Particle Flow Code(PFC^(2D)) program,we set up gangue backfill models with different gangue contents and bond strength,and studied the stress-strain behaviours,the pattern of shear band and force chains,m...
supported by the National Natural Science Foundation for Youth(No.51304200);the China Postdoctoral Science Foundation Project(No.2013M540477);the Superior Subject Construction Project of Universities in Jiangsu Province,the Independent Research Project of State Key Laboratory of Coal Resources and Mine Safety(No.SKLCRSM11X02);the National Natural Science Foundation of China(No.51074163)
To discuss the domino instability effect and large area roof falling and roof accidents of surrounding rockcoal pillars in a room-and-pillar gob,the equilibrium equation for a roof-coal pillar-floor system with the in...
Supported by the National Natural Science Foundation of China (Nos. 50834005 and 51074163);the Ministry of Education Support Program for New Century Excellent of China(No. NCET-08-0837);the Fundamental Research Funds for the Central Universities of China;Youth Science and Technology Foundation of China University of Mining and Technology(No. 2010QNB25)
"Riding mining" is a form of mining where the working face is located above the roadway and advances parallel to it.Riding mining in deep soft rock creates a particular set of problems in the roadway that include high...