Effect of particle size of microcapsules on strength of capsule wall in airtight wall of goaf
Aiming at the problem of delayed repair of cracks in the airtight wall of the goaf, a method to initiate crack repair using microcapsules in the initial stage of crack evolution of the airtight wall (cracking period) is proposed. This method makes use of the stress at the crack tip. The microcapsul...
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| Format: | Artigo |
| Sprache: | Chinês |
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Editorial Office of Safety in Coal Mines
2021-01-01
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| Schriftenreihe: | Meikuang Anquan |
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| Online-Zugang: | https://www.mkaqzz.com/cn/article/id/7296 |
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