Journals
Publish with us
Publishing partnerships
About us
Blog
Shock and Vibration
Journal overview
For authors
For reviewers
For editors
Table of Contents
Special Issues
Shock and Vibration
/
2021
/
Article
/
Fig 1
/
Research Article
Critical Height of Unfilled Zone in Underlying Gob Piles
Figure 1
Positional layout of gob in the No. 9 coal seam and the No. 6107 working face in the No. 6 coal seam.