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Analysis on the Effect of Assembling Prefabricated Components of Assembled Subway Stations under Different Block Types Hydropower Southern Construction Investment Company, Limited
- Format:
- Book
- Conference/Event
- Author/Creator:
- Xie, Jun, author.
- Conference Name:
- 2025 5th International Conference on Smart City Engineering and Public Transportation (SCEPT2025) (2025-03-28 : Beijing, China)
- Language:
- English
- Physical Description:
- 1 online resource cm
- Place of Publication:
- Warrendale, PA SAE International 2025
- Summary:
- With the rise of prefabricated metro stations in metro construction, the selection of its block type has become a key issue under specific stratigraphic conditions. In this paper, three types of prefabricated metro stations (Type 1, Type 2 and Type 3) are studied in the stratum of a metro station in Shenzhen as an example. Through MIDAS GTS NX, a single-ring stratum-structure model is established and the same calculation step is set to analyse the mechanical response of precast component assembly to the concrete at the bottom of the pit and the bottom slab. In terms of the concrete at the base of the footing, the stress of Type 3 has an advantage but the overall fluctuation is complicated, the stress of Type 2 fluctuates greatly and the stress of some nodes is high, and the change of Type 1 is relatively smooth; in terms of deformation, Type 2 and Type 3 settle symmetrically, and the influence of Type 2 is small. For precast structural base plate, stress on type 3 part of the stage of stress mutation, type 1 and type 2 have less impact; deformation on type 1 uniform contraction, type 2 small and complex change in the early stage of the late node difference, type 3 discrete and localized concentration. Comprehensive assessment shows that the type 2 integrated performance is the best, in the basal concrete deformation impact is small and structural stability, force and type 1 similar to the bottom plate force impact is small, compared to type 3 can better ensure the overall structural stability and force performance, can be assembled subway station selection and construction to provide reference
- Notes:
- Vendor supplied data
- Publisher Number:
- 2025-99-0076
- Access Restriction:
- Restricted for use by site license
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