A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
08.34: Influence of profiled steel sheet on the load‐carrying capacity of concrete composite slabs with rebar truss
A full‐scale test scheme was designed to study the behaviour of concrete composite slabs with rebar truss. A total of four specimens with different spans and supporting conditions were tested to investigate the influence of the profiled steel sheet on the load‐carrying capacity of concrete composite slabs with rebar truss. Furthermore, the influence of the profiled steel sheet on the strain distributions of rebar truss, overall deflections and cracking behaviour of concrete composite slabs was also evaluated. It was found that the profiled steel sheet has little influence on the load‐carrying capacity of concrete composite slabs with rebar truss in the elastic stage. However, the profiled steel sheet began to play an important role in the elasto‐plastic stage. The load‐carrying capacity and stiffness of concrete composite slabs with rebar truss supported by the profiled steel sheet are far greater than those of the counterpart without profiled steel sheet. The design formulae were derived based on the effective moment of inertia method to calculate the load‐carrying capacity of concrete composite slabs with rebar truss. In addition, the conversion moment of inertia and the strain distributions of cracking cross sections were also obtained. The test results were compared with the design strengths calculated using the proposed design formulae. It was shown from the comparison that the proposed effective moment of inertia method is more accurate than the static equilibrium method for the design of concrete composite slabs with rebar truss.
08.34: Influence of profiled steel sheet on the load‐carrying capacity of concrete composite slabs with rebar truss
A full‐scale test scheme was designed to study the behaviour of concrete composite slabs with rebar truss. A total of four specimens with different spans and supporting conditions were tested to investigate the influence of the profiled steel sheet on the load‐carrying capacity of concrete composite slabs with rebar truss. Furthermore, the influence of the profiled steel sheet on the strain distributions of rebar truss, overall deflections and cracking behaviour of concrete composite slabs was also evaluated. It was found that the profiled steel sheet has little influence on the load‐carrying capacity of concrete composite slabs with rebar truss in the elastic stage. However, the profiled steel sheet began to play an important role in the elasto‐plastic stage. The load‐carrying capacity and stiffness of concrete composite slabs with rebar truss supported by the profiled steel sheet are far greater than those of the counterpart without profiled steel sheet. The design formulae were derived based on the effective moment of inertia method to calculate the load‐carrying capacity of concrete composite slabs with rebar truss. In addition, the conversion moment of inertia and the strain distributions of cracking cross sections were also obtained. The test results were compared with the design strengths calculated using the proposed design formulae. It was shown from the comparison that the proposed effective moment of inertia method is more accurate than the static equilibrium method for the design of concrete composite slabs with rebar truss.
08.34: Influence of profiled steel sheet on the load‐carrying capacity of concrete composite slabs with rebar truss
Wan, Haiying (author) / Feng, Ran (author) / Li, Tangying (author)
ce/papers ; 1 ; 2110-2119
2017-09-01
10 pages
Article (Journal)
Electronic Resource
English
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