Using advanced deep hole pre-blasting to deal with hard roof
Author(s): LI Fangli, WANG Cheng, DUAN Changshou
Pages: 72-74,94
Year: 2001 Issue: 3
Journal: Ground Pressure and Strata Control
Keyword: 坚硬顶板; 炮孔; 预爆破;
Abstract: The paper introduces the principle and design method of using advanced deep hole pre blasting to deal with hard roof. Some common problems during construction are settled and settling results of the coal face are also summarized.
Pages: 72-74,94
Year: 2001 Issue: 3
Journal: Ground Pressure and Strata Control
Keyword: 坚硬顶板; 炮孔; 预爆破;
Abstract: The paper introduces the principle and design method of using advanced deep hole pre blasting to deal with hard roof. Some common problems during construction are settled and settling results of the coal face are also summarized.
Related Articles