Abstract
Construction of urban metro will be the development tendency of underground project in the future. The key to determining the quality of metro construction is construction of shallow tunneling and subsurface excavation in the stratum filled with established buildings. It is of great academic application value to study the quality control and deformation rule of the metro construction under the established buildings. This paper takes the underpass foot bridge project of metro tunnel as the background, through effective control measures of construction quality control, it guarantees the construction and operation safety of established buildings in the construction process of metro tunnels. Meanwhile, research on the subsidence laws of related stratum also provides reference evidence for the design and construction of urban metro.
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