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  A study on the security effect of the construction of new subway station on parallel subway station structure

  With the underground spaces development, there are increasing numbers of deep foundation pit engineering problems emerged in the process of the urban construction. Especially in some coastal economically developed city, deep foundation pit in soft soil area has become a high risky project. Many scholars have carried out some researches on the effect of foundation fit excavation on existing tunnel in the world. By means of field monitoring and numerical calculations,therisk in construction can be significantly reduced. In this paper, the new Line 11 Station construct close to the old Line 1 metro station in the weathered granite strata in Shenzhen is studied, including the select of construction methods, the force and the deformation of line1 metro station structure. The real-time monitoring is adapted during the construct. Finally, we access to good actual results.

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