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| 2022, Vol. 59(4): 240-247 DOI: | ||
| Advance Grouting Reinforcement Technology for Earth Pressure Shield Tunnelling through Upper-Soft-Lower-Hard Strata | ||
| (1. China Railway 18th Bureau Group Co., Ltd., Tianjin 300222; 2. China Railway Construction South China Construction Co., Ltd.,Guangzhou 510380) | ||
| Received null Revised null | ||
| Supporting info | ||
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