Pressure reduction mechanism and effect of working face passing through abandoned roadway by roof presplit

Por Yunlou Du, Guorui Feng, Yujiang Zhang, Xihong Zhang, Yingda Zhai, Jinwen Bai
Publicado em 2020-10-01

Vertical stress and stability of interburden over an abandoned pillar working before upward mining: a case study

Por Jinwen Bai, Guorui Feng, Shanyong Wang, Tingye Qi, Jian Yang, Jun Guo, Zhen Li, Xianjie Du, Zehua Wang, Yunlou Du, Yujiang Zhang
Publicado em 2018-01-01