|Table of Contents|

Ultimate Load Carrying Capacity of Concrete-filled Steel Tubular Column with Corrugated Steel Webs(PDF)

《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

Issue:
2008年04期
Page:
47-52
Research Field:
Publishing date:
2008-12-20

Info

Title:
Ultimate Load Carrying Capacity of Concrete-filled Steel Tubular Column with Corrugated Steel Webs
Author(s):
GAO Jing;  CHEN Bao-chun
School of Civil Engineering, Fuzhou University, Fuzhou 350108,Fujian, China
Keywords:
concrete-filled steel tube;  corrugated steel web;  concrete column;  ultimate load carrying capacity;  reduction factor
PACS:
TU398.9
DOI:
-
Abstract:
A finite element analysis method was proposed for the new type composite column-concrete-filled steel tubular(CFST)column with corrugated steel webs, in which the corrugated steel web was simulated by orthotropic plate. ANSYS program was used to analyze the test specimens. The effects of two critical parameters(eccentric ratio and slenderness ratio)on ultimate load carrying capacityof concrete-filled steel tubular column with corrugated steel webs were analyzed. Results indicate that the formulae, which multiply reductionfactor of stability and reduction factor of eccentric ratio to take influence of eccentric ratio and slenderness ratio into account, can be used to calculate ultimate load carrying capacity. The reduction factor of eccentric ratio can be obtained by the formula inSpecification for Design and Construction of Concrete-filled Steel Tubular Structures(CECS 28:90), and the reduction factor of stability should be got bySpecification for Design and Construction of Concrete-filled Steel Tubular Structures(JCJ 01—89), but the equivalent slenderness ratio should be corrected by multiplying the revised material factor, which takes the grade of steel and concrete into consideration.

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Last Update: 2008-12-20