Application of New High-Energy Expansion Agent in Coal Mine Roadway Excavation
A new energy material, a high-energy expansion agent (HEEA), was proposed for the harsh engineering environment of a mine. A safety test and field engineering test were carried out. The results showed that the mechanical sensitivity of the HEEA was extremely low, and no combustion and explosion occu...
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| Veröffentlicht in: | Processes 2023-04, Vol.11 (5), p.1356 |
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| creator | Dai, Wenjin Mu, Ping Zhang, Yansong Wei, Xiangrui Shi, Jing Zhang, Yunkuan |
| description | A new energy material, a high-energy expansion agent (HEEA), was proposed for the harsh engineering environment of a mine. A safety test and field engineering test were carried out. The results showed that the mechanical sensitivity of the HEEA was extremely low, and no combustion and explosion occurred in multiple impact and friction tests. Meanwhile, the HEEA only burns in open spaces without detonation. Through field experiments, the HEEA can achieve a good blasting effect, providing strong support for its promotion in low-disturbance environmental engineering applications. |
| doi_str_mv | 10.3390/pr11051356 |
| format | Article |
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| source | MDPI - Multidisciplinary Digital Publishing Institute; EZB-FREE-00999 freely available EZB journals |
| subjects | Aluminum Blasting (explosive) Carbon dioxide Coal Coal industry Coal mines Coalbed methane Combustion Detonation Energy Environmental engineering Explosions Explosives Friction Heat Moisture content Open spaces Production management Propagation Reagents Underground explosions Water-power |
| title | Application of New High-Energy Expansion Agent in Coal Mine Roadway Excavation |
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