Dissertation > Industrial Technology > Building Science > Building structure > Composite structure > Other composite structures

The Finite Analysis of Bearing Performance of Centrifugal Concrete-filled Steel Tube

Author ChiLiYuan
Tutor YuShaoFeng
School Tongji University
Course Structural Engineering
Keywords Centrifugal Concrete Filled Steel Tubular Finite Element Analysis Axial compression load Axial tension loading Eccentric compression load Eccentric tension loading
CLC TU398.9
Type Master's thesis
Year 2006
Downloads 128
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Centrifugal concrete filled steel tubular concreting centrifugal molding hollow composite components , it is a special form of CFST perfusion centrifugal concrete pipe steel pipe inner wall steel pipe . Elastoplastic good stiffness , light weight , and can be factory processing advantages , has been widely used in practical engineering . In this paper, a dual - fiber unit model , consider material nonlinearity and force geometric nonlinearity ( bias component ) in the preparation of the axis of centrifugal concrete filled steel tubular pressure, axial tension , eccentric compression , eccentric tension finite element program , the article also derived centrifugal concrete filled steel tubular axial compression , axial tension specimen flexural ultimate bearing capacity of the theoretical formula . Through the preparation of the finite element program to simulate the steel ratio, hollowness , slenderness ratio and other factors on the axis of the centrifugal concrete filled steel tubular pressure , axial tension , eccentric compression , eccentric pull force performance . In the analysis of these factors affect the mechanical properties of centrifugal steel pipe , based on the results of finite element program , \the thin-walled centrifugal concrete filled steel tubular structure technical regulations axial compression design formulas , axial tension design formula , the flexural design formula for the correction , and to adapt to a the hollowness smaller centrifugal concrete filled steel tubular specimen . And combined bending design formulas , Tension design formula in the form proposed design formula of the formula can be considered eccentric compression , bending eccentric pull the tension and bending .

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