UNIFIED EQUATIONS FOR SOLID AND HOLLOW CONCRETE-FILLED TUBE COLUMNS UNDER COMPLEX STRESS——BALANCE EQUATION AND EQUIVALENT MODEL

Li Yuting; Zha Xiaoxiong

doi:10.13204/j.gyjz201106001

Volume 41 Issue 6

Dec. 2014

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Li Yuting, Zha Xiaoxiong. UNIFIED EQUATIONS FOR SOLID AND HOLLOW CONCRETE-FILLED TUBE COLUMNS UNDER COMPLEX STRESS——BALANCE EQUATION AND EQUIVALENT MODEL[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(6): 1-8. doi: 10.13204/j.gyjz201106001

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UNIFIED EQUATIONS FOR SOLID AND HOLLOW CONCRETE-FILLED TUBE COLUMNS UNDER COMPLEX STRESS——BALANCE EQUATION AND EQUIVALENT MODEL

doi: 10.13204/j.gyjz201106001

1.
Department of Urban and Civil Engineering,Shenzhen Graduate School,Harbin Institute of Technology,Shenzhen 518055,China

Received Date: 2011-02-12
Publish Date: 2011-06-20

Abstract

Abstract

This thesis is to obtain the basic form of the strength and stability capacity correlation equations of the concrete filled steel tubular structures under complex stress through the theoretical derivation.It is used the previous CFST equivalent truss model which had been obtained when establishing static equilibrium equations to do mechanical analysis under complex stress.It can be calculated the internal forces of each equivalent truss rod and then determined their yield failure pattern to get yield equation.It is also used the previous balance equation to do computings to offset the internal forces of steel and concrete, in order to obtain the bearing and stability capacity correlation equations.
- solid ＆ hollow concrete-filled steel tube,
- spatial truss,
- balance equation,
- complex stress capacity correlation equations

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References(11)

References

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