Abstract：Research purposes: With the rapid development of the urban subway traffic in Shanghai China，the deep excavations are usually adjacent to the running subway tunnels． The strict deformation demands must be need by the excavation engineering． The designing of excavation adjacent to subway tunnel are controlled by deformation not by strength． So the research on the design method and measurements of the deep excavation，which on the basis of successful design and construction of deep excavation engineering adjacent to the subway tunnel in the typical soft soil of Shanghai，is necessary and significant．
Research conclusions: For the protection of adjacent subway tunnel which the accessional settlement of the tunnel induced by the excavation can not exceed 20mm． Considering the protection of adjacent Shanghai No． 2 tunnels of N0．1788 of west Nanjing road，many special measurements were applied to the designing of pit project． Including the proposal of down － up method with zoned construction with a temporary diaphragm wall inside the excavation engineering，prediction the accessional deformation of tunnels by numerical analysis and detailed in situ monitoring of the pit and tunnels during excavation． According to the in situ monitoring data，The protection of the adjacent tunnels is successful and it testified the validity of the designing and construction of the excavation engineering in soft soil．
李进军，王卫东. 紧邻地铁区间隧道深基坑工程的设计和实践[J]. 铁道工程学报, 2011, 28(11): 104-111.
LI Jin － jun，WANG Wei － dong. Design and Construction of Deep Excavation Engineering Adjacent to the Subway Tunnel. 铁道工程学报, 2011, 28(11): 104-111.
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2011, Vol. 28 
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