ZHANG Feng, LI Shu-cai, LI Hong-jiang, YAO Chen, YANG Sheng. Shearing performances of corrugated steel webs encased with concrete[J]. Journal of Traffic and Transportation Engineering, 2016, 16(1): 16-24. doi: 10.19818/j.cnki.1671-1637.2016.01.003
Citation: ZHANG Feng, LI Shu-cai, LI Hong-jiang, YAO Chen, YANG Sheng. Shearing performances of corrugated steel webs encased with concrete[J]. Journal of Traffic and Transportation Engineering, 2016, 16(1): 16-24. doi: 10.19818/j.cnki.1671-1637.2016.01.003

Shearing performances of corrugated steel webs encased with concrete

doi: 10.19818/j.cnki.1671-1637.2016.01.003
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  • Author Bio:

    ZHANG Feng (1978-), male, associate professor, PhD, +86-531-88395428, zhangfeng2008@sdu.edu.cn

  • Received Date: 2015-10-11
  • Publish Date: 2016-02-25
  • In order to study the shearing behavior of corrugated steel webs encased with concrete, the nonlinear-refined-numerical finite element model of corrugated steel webs encased with concrete was established, and its validity was verified by using the deflection and strain of test model.The shearing mechanism of corrugated steel webs encased with concrete was analyzed, the ratio of loads shared by concrete and corrugated steel webs was studied, and the shearing strength design formula of corrugated steel webs encased with concrete was presented and verified.Analysis result shows that the load capacities of numerical model and test model are 4 560 kN and4 744 kN respectively, the simulation error is 3.8%, so the finite element model is feasible.The steel webs'tension strut and the concrete's compression strut form X-type truss, and the shearing strength of corrugated steel webs encased with concrete is their sum.The shearing resistance of corrugated steel webs is basically linear relation with load.The shearing resistance of concrete encasement shows three polylines, it increases fast at the initial and late stage of loading, and scarcely changes at the middle stage of loading.The calculated result of presented formula ofshearing strength agrees with the model test result, the maximum ratio of shearing strength is1.1, so the formula is feasible and can be used to analyze for the shearing properties of corrugated steel webs encased with concrete.

     

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