Steel and Composite Structures

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Experimental investigation and numerical analysis of optimally designed composite beams with corrugated steel webs

  • Erdal, Ferhat (Department of Civil Engineering, Akdeniz University) ;
  • Tunca, Osman (Department of Civil Engineering, Karamanoglu Mehmetbey University) ;
  • Ozcelik, Ramazan (Department of Civil Engineering, Akdeniz University)
  • Received : 2020.01.14
  • Accepted : 2020.09.22
  • Published : 2020.10.10
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Abstract

Composite beams with corrugated steel webs represent a new innovative system which has emerged in the past decade for medium span in the construction technology. The use of composite beams with corrugated steel webs results in a range of benefits, including flexible spaces and reduced foundation costs in the construction technology. The thin corrugated web affords a significant weight reduction of these beams, compared with hot-rolled or welded ones. In the current research, an optimal designed I-girder beam with corrugated web has been proposed to improve the structural performance of continuous composite girder under bending moment. The experimental program has been conducted for six simply supported composite beams with different loading conditions. The tested specimens are designed by using one of the stochastic techniques called hunting search algorithm. In the optimization process, besides the thickness of concrete slab and studs, corrugated web properties are considered as design variables. The design constraints are respectively implemented from Eurocode 3, BS-8110 and DIN 18-800 Teil-1. The last part of the study focuses on performing a numerical study on composite beams by utilizing finite element analysis and the bending behavior of steel girders with corrugated webs experimentally and numerically verified the results. A nonlinear analysis was carried out using the finite element software ANSYS on the composite beams which were modelled using the elements ten-node high order quadrilateral type.

Keywords

References

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