Abstract
To study local buckling of Corrugated Steel Plate under concentrated loads. Through experimental tests and theorical analysis, bearing capacity and failure form of Corrugated Steel Plate were discussed. Bearing capacity of Corrugated Steel Plate associated with local buckling, which can be assumed to be composed of three parts: buckling of plane rigid frame caused by concentrated loads, buckling of roof and web caused by bending stress. These three parts were unified by buckling relevant equations, then local buckling calculation formula was obtained. Comparing with experimental results, the loads obtained by local buckling calculation formula agree with test results very well. Since the buckling calculation is independent of the material strength, the calculation formula of local buckling is reliable, it can be used to evaluate local buckling of Corrugated Steel Plate.
Highlights
Corrugated Steel Plate (CSP) is pressed or bent corrugated by steel plate, which has high bearing capacity and high stability, has been widely used in bridge and culvert engineering [1,2,3] and PC box girder with corrugated steel webs [4,5,6,7,8,9,10,11]
Su Qingtian conducted laboratory experiments, confirming that the corrugated steel-concrete composite bridge deck had the characteristics of light weight, high capacity and high cost; compared with the steel deck, it had the characteristics of low cost, easy to pave, high fatigue strength and high weight; compared with the ordinary steel plate-concrete deck, it had the characteristics of low weight, high shear strength
The application of corrugated steel plate in multiple fields was studied deeply, but there were more problems need to be solved, such as local stability of the corrugated steel-concrete composite deck, which affects the mechanical properties of composite deck during construction, the present study mainly focus on the shear buckling performance of corrugated steel webs and the buckling of corrugated steel plate arch
Summary
Corrugated Steel Plate (CSP) is pressed or bent corrugated by steel plate, which has high bearing capacity and high stability, has been widely used in bridge and culvert engineering [1,2,3] and PC box girder with corrugated steel webs [4,5,6,7,8,9,10,11]. Su Qingtian conducted laboratory experiments, confirming that the corrugated steel-concrete composite bridge deck had the characteristics of light weight, high capacity and high cost; compared with the steel deck, it had the characteristics of low cost, easy to pave, high fatigue strength and high weight; compared with the ordinary steel plate-concrete deck, it had the characteristics of low weight, high shear strength. It is a feasible option in the bridge deck of medium span bridges [14,15]. This paper focuses on solving local buckling problem of CSP
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