Analysis on Catastrophe Theory during First Weighting Sliding Instability and Support Crushing of Main Roof with Large Mining Height in Shallow Coal Seam
Yang, Dengfeng, Zhang, Yongjun, Chen, ZhonghuiVolume:
10
Journal:
Applied Sciences
DOI:
10.3390/app10165408
Date:
August, 2020
File:
PDF, 6.03 MB
2020