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- W2357642275 abstract "Gongyuanqian station is the interchange station of line 1 and line 2 of Guangzhou Metro. The total length of the station is 4509 m and the maximum width is 338 m. The bottom slab of line 2 is 22 m deep. The connection part of the interchange station is of reinforced concrete structure with 5 spans and 3 stories. The cover of the top slab of the interchange station is 2 m deep. The ground contains the following layers from the surface to the bottom: backfilled earth, alluvial layer, residual layer, red rock debris of Cretaceous. The station is divided into four parts, which employs different methods of construction: open slopeexcavation method, cover semiinverse construction method, and cover inverse construction method and horizontalsupport open excavation method respectively. Such retaining structures as manual drilling and piles, anchoring bars and underground diaphragms are adopted. This article puts emphasis on the following key technologies: the technical difficulties of the project, the mechanical analysis of the interchange connection parts, the static load tests, dynamic and fatigue model tests on the shear capacity of the connecting positions of the slabs and columns, the accurate positioning of the steel pipe columns, the connecting of the horizontal slabs and the steel pipe columns, monitoring, measurement and information feedback. By means of insitu monitoring and measurement, the impacts by the abovementioned four construction methods on the surrounding environment are compared and analyzed and the priority sequence for the selection of the construction method is recommended, which serves as a good reference for future projects. " @default.
- W2357642275 created "2016-06-24" @default.
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- W2357642275 date "2002-01-01" @default.
- W2357642275 modified "2023-10-08" @default.
- W2357642275 title "Construction Technology for Large Metro Interchange Station in Urban Busy Area" @default.
- W2357642275 hasPublicationYear "2002" @default.
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