Experimental Study on Loosening Radius of Pre-drainage Borehole by Pre-splitting Blasting for Increasing Permeability at 2306 Working Face of Zhangcun Coal Mine

WANG Yongzheng

doi:10.13347/j.cnki.mkaq.2016.11.003

Home>Articles>Experimental Study on Loosening Radius of Pre-drainage Borehole by Pre-splitting Blasting for Increasing Permeability at 2306 Working Face of Zhangcun Coal Mine

DOI: 10.13347/j.cnki.mkaq.2016.11.003

Experimental Study on Loosening Radius of Pre-drainage Borehole by Pre-splitting Blasting for Increasing Permeability at 2306 Working Face of Zhangcun Coal Mine

WANG Yongzheng

Keywords：pre-splitting explosionloosened blasting radiuscontrol holepermeability increasinggas extraction

Publication Date：2016-01-01

Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)

Safety in Coal Mines

PKUISTIC

ISSN：1003-496X

Year, Vol.(Issue)：2016,47(11)