Observed performance of a deep excavation of Qingdao Metro Line 4 in China
| Autor: | Liu, Fei, Zhang, Yongjun, Ma, Tianhui, Tang, Chun'an |
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| Zdroj: | In Tunnelling and Underground Space Technology incorporating Trenchless Technology Research May 2022 123 |
| Databáze: | ScienceDirect |
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