Computers and Concrete

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Experiment and simulation analysis on full scale double-layer concrete shell

  • Thanh Quang Khai, Lam (Faculty of Civil Engineering, Mien Tay Construction University) ;
  • Thi My Dung, Do (Faculty of Civil Engineering, Mien Tay Construction University)
  • Received : 2020.10.12
  • Accepted : 2022.11.02
  • Published : 2023.01.25
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Abstract

The published studies usually used analytical method, numerical methods or experimental method to determine the stress-strain state and displacement of the single-layer or multi-layer curved shell types, but with a small scale model. However, a full scale multi-layer doubly curved concrete shell roof model should be researched. This paper presents the results of the experiment and simulation analysis involving stress-strain state, sliding between layers, the formation and development of the full scale double-layer doubly curved concrete shell roof when this shell begins to crack. The results of the this study have constructed the load-sliding strain relationship; strain diagram; stress diagram in the shell layers; the Nx, Ny membrane force diagram and deflection of shell. Thisresults by experimental method on a full scale model of concrete have clarified the working of multi-layer doubly curved concrete shell roof. The experimental and simulation results are compared with each other and compared with the Sap2000 software.

Keywords

References

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