Blasting Technology of First roof Caving in Fully Mechanized Face of Coal Seam with Hard Roof
Abstract：The forced roof caving using cut loose blasting technique in fully mechanized working face of Gubei Mine 1212 （1） is introduced in this paper, which makes a satisfactory solution to the problem of the roof management during initial caving and achieves good safety benefits.
Keywords：coal seamhard roofloose blastingforced roof caving
Publication Date：2011-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：2( 30-31 )