Challenges of mining the first right-handed longwall panel in a new reserve block in Pittsburgh Seam
In this paper, the mining experience and challenges for the first right-handed longwall panel in the Pittsburgh Seam are introduced. The longwall headgate T-junction experienced very high face convergence (up to 61 cm), accompanied by roof sag, floor heave, and rib loading. The headgate convergence...
Main Authors: | , |
---|---|
Format: | Article |
Language: | English |
Published: |
Elsevier
2019-01-01
|
Series: | International Journal of Mining Science and Technology |
Online Access: | http://www.sciencedirect.com/science/article/pii/S2095268618306517 |