Experimental Study on Weakening Hard Roof by Pre-splitting Blasting During Initial Mining at Fully-mechanized Caving Face
LI Chao
KANG Tianhe
ZHANG Bin
Keywords：hard rooffully-mechanized caving facedeep-hole pre-splittingblasting parameterinitial roof fracture step distancerock burstweakening roof
Publication Date：2015-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)