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- W2391672026 abstract "This paper introduces in detail the structural form of a steel-concrete composite open-web plate whose span is 33m.For theoretical analysis of the structure,the combination finite element method of beam elements and shell elements model is adopted,and the displacement,internal force,vibration shape and frequency of natural vibration are obtained.This paper also introduces design of each component and support node of the structure,construction method and technological process.To verify the reliability of the theoretical analysis,field test of the basic frequency of natural vibration of the structure is conducted.Results show that the lower steel rib of composite open-web plate is in pull-bending,upper concrete plate is in press-bending,and its moment decreases and axial force increases from support to mid-span.Therefore,the internal force of the composite open-web plate distributs uniformly and its strength of materials develops effectively.The shear keys bear moment and shear and decrease from support to mid-span.Under design load,the largest deflection is 110mm.The first ten natural vibration modes of the structure are vertical modes and the vibration law is similar to that of solid plate.The basic frequency of the theoretical value is 3.15Hz and measured value is 5.0Hz.The reasons of the existence of tolerances are analyzed to describe the reliability of the theoretical analysis." @default.
- W2391672026 created "2016-06-24" @default.
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- W2391672026 date "2006-01-01" @default.
- W2391672026 modified "2023-09-23" @default.
- W2391672026 title "Design and test of 33m-span composite open-web plate" @default.
- W2391672026 hasPublicationYear "2006" @default.
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