Research Article
Displacement Characteristics of an Urban Tunnel in Silty Soil by the Shallow Tunnelling Method
Table 1
The support system of urban shallow tunnels in silty soil in recent years in China.
| Item | Tunnel name | Strata reinforcement | Advanced support |
| Guangzhou metro line 2 | Xiaogang-Jiangnanxi tunnel | — | Advanced small pipes and tunnel face grouting | Nanjing metro | Zhujiang Road station∼Gulou station | — | Advanced large pipe-sheds, advanced small pipes and tunnel face grouting | Shanghai metro line 2 | Weining station #3 passageway | — | Advanced large pipe-sheds, deep hole grouting in tunnel face | Guangzhou | Jinshazhou tunnel | Cement mixing piles | Advanced large pipe-sheds | Guangzhou metro line 4 | Nanyan section | Cement mixing piles | Synchronous grouting | Hangzhou metro line 4 | Zizhi tunnel | Jet grouting piles | Advanced small pipes and tunnel face grouting |
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