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A platform for research: civil engineering, architecture and urbanism
Resistance of stud shear connectors in composite beams using profiled steel sheeting
Highlights Efficient FE models were developed to study the stud shear connector behavior. The results obtained from FE analysis were verified against experimental results. The influence of different parameters on the stud shear resistance was analyzed. In this study an extensive experimental database of several researchers was used. The accuracy of the AISC and EC-4 to estimate stud shear resistance was verified.
Abstract In composite beam design, headed stud shear connectors are commonly used to transfer longitudinal shear forces across the steel-concrete interface. This paper describes the structural performance of shear connection in composite beams with profiled steel sheeting. An accurate and efficient nonlinear Finite Element (FE) model was developed to study the behavior of headed stud shear connectors welded through the deck. The concrete slab considered in this article uses profiled steel sheeting with ribs perpendicular to the longitudinal axis of the steel beam. The material nonlinearities were included in the FE model. The concrete was modeled considering a damaged plasticity model available in ABAQUS software. The results obtained from FE analysis were verified against experimental results. A parametric study was conducted to observe the effects of changing of both the stud position inside the rib of profiled steel sheeting and the concrete strength on the resistance of the stud shear connector. The shear resistance of stud connectors obtained from the FE analysis and many experimental push-out tests whose results are available in the literature were used as a database to compare with design shear resistance calculated using AISC-LRFD and Eurocode 4. It is found that the shear resistance of stud connectors, obtained from the design rules specified in these codes, in some cases is greatly underestimated, and in other cases significantly overestimated.
Resistance of stud shear connectors in composite beams using profiled steel sheeting
Highlights Efficient FE models were developed to study the stud shear connector behavior. The results obtained from FE analysis were verified against experimental results. The influence of different parameters on the stud shear resistance was analyzed. In this study an extensive experimental database of several researchers was used. The accuracy of the AISC and EC-4 to estimate stud shear resistance was verified.
Abstract In composite beam design, headed stud shear connectors are commonly used to transfer longitudinal shear forces across the steel-concrete interface. This paper describes the structural performance of shear connection in composite beams with profiled steel sheeting. An accurate and efficient nonlinear Finite Element (FE) model was developed to study the behavior of headed stud shear connectors welded through the deck. The concrete slab considered in this article uses profiled steel sheeting with ribs perpendicular to the longitudinal axis of the steel beam. The material nonlinearities were included in the FE model. The concrete was modeled considering a damaged plasticity model available in ABAQUS software. The results obtained from FE analysis were verified against experimental results. A parametric study was conducted to observe the effects of changing of both the stud position inside the rib of profiled steel sheeting and the concrete strength on the resistance of the stud shear connector. The shear resistance of stud connectors obtained from the FE analysis and many experimental push-out tests whose results are available in the literature were used as a database to compare with design shear resistance calculated using AISC-LRFD and Eurocode 4. It is found that the shear resistance of stud connectors, obtained from the design rules specified in these codes, in some cases is greatly underestimated, and in other cases significantly overestimated.
Resistance of stud shear connectors in composite beams using profiled steel sheeting
Bonilla, Jorge (author) / Bezerra, Luciano M. (author) / Mirambell, Enrique (author)
Engineering Structures ; 187 ; 478-489
2019-03-03
12 pages
Article (Journal)
Electronic Resource
English
Resistance of stud shear connectors in composite beams using profiled steel sheeting
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