Study on influence law of coal pillar size on roof break structure and fracture development in fully mechanized working face
XU Xing-liang
WEI Hao
TIAN Su-chuan
ZHANG Bei
Keywords：main roof structurecoal pillar sizeevolution lawfracture development zone
Publication Date：2015-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)