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Corrugated steel webs girder bridge with a new composite bridge, steel (pull) and concrete (compressive) give full play to the characteristics of two different materials. Compared with the steel structure, save steel, enhanced stiffness; compared with the reinforced concrete structure, which reduce the weight of the structure, increase the ductility. Concrete panels to provide rigidity, compared with the other structures, its rigidity greater, the influence of vibration is small. Two different performance material of steel beams and concrete slabs have been able to combine, to play to their strengths, the key lies in the role of shear connectors connection, thus making the girder bridge with corrugated steel webs structural design, The design of shear connectors play a key role in the performance of the entire portfolio structure. Reasonable selection and design of shear connectors, directly related to the use and carrying capacity of the composite beam structure, their research has important implications. At home and abroad on the flange zigzag cutout steel plate shear connection parts performance has not been studied, In order to understand the mechanical characteristics of the shear connectors in the shear pieces of experimental research program on the basis of, focuses on the flange type shear connector shear resistance, its theoretical analysis and experimental study of the system, the main work is as follows: First, on the basis of the original study, based on a large number of test data, develop a flange fold-shaped openings plate shear connection the mechanical properties of the research program; Second, the theoretical analysis of shear connector types, mechanical properties and working mechanism, a clear connection performance and failure mode of analysis flange zigzag cutout board connector theoretical model; Third, by analyzing the flange fold-shaped plates with holes shear stiffness of shear connectors under load, shear strength, the design flange type plates with holes the size of the shear connectors, and use Midas FEA finite element software for finite element computational mechanics model; mechanical test specimen, test its shear capacity under load, the measured data is analyzed and compared with the finite element simulation results, optimize flange zigzag structural parameters of the perforated plates shear connectors. Test with the theoretical analysis of the specimen, the the test measured results obtained with the finite element analysis results are consistent effectively achieve the intended purpose and effect, to prove the rationality and reliability of the design of fittings. The research has made good technical and economic benefits, steel - concrete composite structure in China's construction sector will help to promote the development of light composite structures.
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