Structural Characteristics And Mechanical Properties Of Composite Curved Beams With Corrugated Steel Webs

With the development of China’s national economy, put forward higher requirementsfor bridge construction. High-grade roads and bridges and urban overpass, viaductin addition to the requirements of large spanning capacity, but also require a good drivingcomfort and visual coordination. Corrugated steel webs of prestressed concrete girderbridge is an economical, efficient, simple construction, new bridges form, with a verybroad application prospects.The world economy in recent years, rapid development, followed by a large number ofbuilt urban overpass, then more and more curved girder bridges are widely used aroundthe world, scholars have begun to think about will be corrugated steel webs and curvegirder bridge combine to form a corrugated steel webs concrete composite curved girderbridges. The combination of these two technologies, however, is not the simplesuperposition of a combination of them can play their respective technical characteristics,fully demonstrated its good mechanical properties, expand the application of acombination of corrugated steel webs bridge bridge type. Mechanical performanceanalysis of this emerging combination of bridge structures. The content of this study is asfollows.First introduced the overview of the development of the combination of corrugated steelwebs bridge structural system structural characteristics (including the shape of thecorrugated steel webs and shear connector type, etc.), as well as the structure of themechanical characteristics. Summarizes the status of the structure at home and abroad.Theanalysis results combined with abroad and built with corrugated steel web bridge, theforce characteristics of the real bridge with corrugated steel webs, including corrugatedsteel webs, axial deformation, local buckling, overall buckling synthetic buckling stabilityand mechanical properties.Thin-walled structural mechanics and curve bridge analysismethods for the combination curve bridge with corrugated steel webs for structuralanalysis, these new combinations of the bridge to reverse the Theory of Computation. Anddeduced the bending stresses in composite curved beams with corrugated steel websformula.Combined with an actual project, according to the specific project profiles of thebridge, create a calculation model for accurate calculation of the curved beam deflectionunder load value and the stress value and a different radius of curvature, bearing eccentricdiaphragm arrangement deformation and affected by the force of corrugated steel webscombination of curved box girder bridge.The innovation of this paper is: force characteristic based on thin-walled curvedbeam elastic phase of the system by bending analysis theory, the derivation of the normalstress, shear bear by shear stress and the corrugated steel webs accounting for the entirecross section by the shear ratio formula.