世界各国规程钢管混凝土构件抗弯承载力及抗弯刚度的对比.doc

世界各国规程钢管混凝土构件抗弯承载力及抗弯刚度的对比 (?]?792?S) 2005???72?S ??g?g???g?g???g?g??? FujianArchitectureamp;Construction Vol??92 No2??2005 ?s???)?????a?????????S???????x ???????????x?3???????? ??g??? ?????(?????????C????g?350025 ??g???:?7???3??24?8???????5?????????????S???????x??????????,?????j?????p?m?????????S???x?????C????????,?5???? ?????S?????????x??????g(?,???3???????T?w???3???r???????2AISC-LRFDg(EC4g(AIJg(BS5400??DBJ13-51???????????????? ????,?5?????)???2?T???????????x?????1???F?F???9?T?1???????1g9 ???p??:?????????Sg????x??????g??,?????x?3??g????T?w?????x?3?? ?m???5????:TU31814g?g????p?F???(:Ag?g??????s??:1004-6135(2005)03-0127-04 ComparisononUltimateFlexuralBearingCapacityandFlexuralStiffnessofConcrete filledSteelTubesCalculatedbyDifferentDesignCodes LuHui (FujianInstituteofBuildingResearch350025) Abstract:Flexuralexperimentresulton24concretefilledsteeltubeswaspresentedinthispaper1Theexperimentalresultsaswellasre2 sultsfromotherresearchersontheflexuralbearingcapacity,initialflexuralstiffness,andtheservice-levelflexuralstiffnessofthespeci2 menswerecomparedtothatofcurrentdesigncodes,suchasAISC-LRFD,EC4,AIJ,BS5400,andDBJ13-511Theapplicabilityandve2 racityofdifferentcodesincalculatingflexuralabilitiesofconcretefilledsteeltubeswerediscussed1 Keywords:concretefilledsteeltubes;flexuralbearingcapacity;initialflexuralstiffness;service-levelflexuralstiffness g?g?11, ?? ?????????S?????????????S?????1?????;??,?????S?????T ?????????P?????????g???amp;,???????j???????[??g(???1g(?? ?1g(???????????V??????,?T?)?????a?????m???g?????????? ?????T,???6?x???%???????????g???T???3?g?F?g?[?????? ????g9?T?????????F???????????m,???????????????x???8 ???????F?F,???????????????????w?????g?????????S???? ?x?3??g9?n??,?????????S?????T?????g?F???T?a?????)?? ?1?????????????????(,???????1?????3?g?????????????? ?S?x?????????1??,???????????S?x???????1?????????C?? ???j?????????g???????1???????????1??g9?)???j???????? ???S?????2 [1,2,3,4,5] ?m???j?????????S???x?3???????????? ???????c,?Y?A?n???2?????????????j???1??