Abstract
Calculations of horizontal loads such as wind are required even for low-rise buildings. With stores number increasing their influence increases. The horizontal loads are perceived by the flooring discs. Steelreinforced concrete floors with profiled decking are most often used in steel frame buildings. Floor slabs and frame’s joint work is ensured by shear studs. The article discusses a shear studs’ stress determining method from horizontal load. There are different slab supporting variants: slap supported on two sides and along slab's perimeter. The goal was to determine shear stress in each flexible stop. The tasks were solved by calculating and by computing. Then the results were compared. Therefore, the resulting formula allows determining shear stresses not only in square slab but in rectangular ones too. Shear stress knowledge in the studs allows to determinate frames’ displacements by horizontal loads. Frame displaces relative to the floor slab due to studs shear and flexibility. The derived displacements determining formula takes into account shear deformations and anchor compliance in different directions. Herewithin the article, proposed displacements formula is not checked, but only the components determining a method is proposed.
Highlights
IntroductionMost of buildings and structures have a small storeys number, even when such buildings frame calculating, horizontal loads are required, for example, wind
Buildings with a metal frame are becoming more common
Almost all multi-storey buildings in US are built of metal frames, despite such structure’s widespread prevalence, the displacement issues from horizontal loads are only superficially explored [1,2,3]
Summary
Most of buildings and structures have a small storeys number, even when such buildings frame calculating, horizontal loads are required, for example, wind. For multi-storey civil buildings from metal frames, wind load increases so much that snow load can be neglected. This indicates the frame’s horizontal loads action stiffness studying importance. Almost all multi-storey buildings in US are built of metal frames, despite such structure’s widespread prevalence, the displacement issues from horizontal loads are only superficially explored [1,2,3]. The most common solution is a steel-reinforced concrete slab using profiled decking. The stiffness of the concrete slab and cell beams is so high that displacements are possible only due to studs
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