Research and application of pulverized coal ash ceramsite concrete isolation wall
In order to solve the problem of spontaneous combustion of residual coal in goaf caused by air leakage due to loose sealing at both ends during delayed mining. Taking 3302（lower） fully mechanized caving working face as engineering background, based on the analysis of the mechanical properties of fly...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | zho |
| Published: |
Editorial Office of Safety in Coal Mines
2021-07-01
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| Series: | Meikuang Anquan |
| Subjects: | |
| Online Access: | https://www.mkaqzz.com/cn/article/id/7526 |