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Creep Behavior of Concrete-Filled Steel Tubular Members
2016
InorderLoclarifythemechanicalcharacleristicsofconcrete一色11edsteelsquaretubular(CFr) COlumnssubjectedtothelong-termload,CreePteStSOfCFrcompressionmembersandaCFT flexuralmemberhavebeenperfbrmed・Thepaper丘rstpresentsthetestresultsofthecreepstrainof thecompressionmembers,andcomparesthemwiththepredictionsbytheanalysisbasedona Visco-elasticm'odelR)raCreeplngmaterial.Thedecreaseintheconcretestressandtheincrea洗in thecreepstraillareCleadyshown・Then,itshowsthebucklinganalysisofslenderCFrcompression members,anddiscussesthel°Cductionofthebucklingstrengthduetothecl°Cepandthestresstransftr behaviorfromtheconcrete tothesteeltube.Finally,thetestresultsofaCFTflexuralmemberare presentedwiththeanalysisofthecreepcoemcientbasedontheage-aquStedequivalentcoefficient lnethod.
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