Innovative approach based on roof cutting by energy-gathering blasting for protecting roadways in coal mines
| Autor: | Zhang, Xingyu, Hu, Jinzhu, Xue, Haojie, Mao, Wenbin, Gao, Yubing, Yang, Jun, He, Manchao |
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| Zdroj: | In Tunnelling and Underground Space Technology incorporating Trenchless Technology Research May 2020 99 |
| Databáze: | ScienceDirect |
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