Han L H,Tao Z,Zhao X L,Concrete-Filled Double Skin(SHS Outerand CHS Inner)Steel Tubular Beam-Columns[J].Thin-WallStructures,2004,42(9):1329-1355;
[3]
Tao Z,Han L H,Zhao X L,Behaviour of Concrete-Filled Double Skin(CHSInner and CHS Outer)Steel Tubular Stub Columns and Beam-Columns[J].Journal of Constructional Steel Research,2004,60:1129-1158;
Yang Y F,Han L H.Concrete-Filled Double-Skin Tubular ColumnsUnder Fire[J].Magazine of Concrete Research,2008,60(3):211-222;
[7]
ISO-834.Fire-Resistance Tests-Elements of Building Construction-Part 1:General Requirements[S].International Organization forStandardization,Geneva,Switzerland,1999;
[8]
Han L H,Huo J S.Concrete-Filled Hollow Structural Steel ColumnsAfter Exposure to ISO-834 Standard Fire[J].Journal of StructuralEngineering,ASCE,2003,129(1):68-78;
[9]
Lie T T.Fire Resistance of Circular Steel Columns Filled with Bar-Reinforced Concrete[J].Journal of Structural Engineering,1994,120(5):1487-1509;
[10]
Lie TT,Chabot M.AMethodto Predictthe Fire Resistance of CircularConcrete Filled HollowSteel Columns[J].Journal of Fire ProtectionEngineering,1990,2(4):111-126.