鋼結(jié)構(gòu)建筑異型節(jié)點(diǎn)極限承載特征多尺度非線性數(shù)值模擬

打開文本圖片集

JIANG Feng， SU Qi

（CNCCC-Tongan City-Industry Integration Construction （An qing） Co.，Ltd.，Anqing 246000，China）

Abstract：Astehingetorasferthntealforeoftebuldingstructure，thespecialshapedjoitisnimporantguaantefore safetyofhestructuretomeettestrssrequirements.Iodertoacuratelyrstoretemechaicalcharacterisicsofspecialshaped joints，amultiscaleoliarumeicalsiulationmetodisproposedforteultiatebaringcharactersticsofspecialshapedjtsin stlstructures.Consideringgeometrictructure，materialpropetisandtherfactos，oinearfiniteelementodelofspecalsape jointsnstelstructurebuldingsisbuiltTeladingprocessofspecial-shapedjointsissimulated，andthemechanicalmecanismof jointsisanalyzdatultisale.Theultimatebaringcapacityfspecial-shapedjointsisalculatedfromeaspectsofsarsistance andbendingresistance，andthenumericalsimulationresultsoftheultimatebearingcharacteristicsofspecial-shapedjointsare output.Theresultsshowthatcomparedwithtraditionalnumericalsimulationmethods，thesimulationeroroftheultimatebaringcapacity of heoptimizeddesignmethodhasbeenreducedby1.88N；Theapplicationofthismethodcanefectivelyreducetheprobablityof instability of irregular nodes.

Keywords：steeltucturebldng；speialode；ultateeainghacterisis；ultisalesmulation；onliarumcallatio

0 引言

與傳統(tǒng)建筑結(jié)構(gòu)相比，鋼結(jié)構(gòu)具有強(qiáng)度高、塑性韌性好、材質(zhì)均勻等特點(diǎn)，被廣泛地應(yīng)用到建筑行業(yè)中，逐漸成為主流的建筑工藝[1]。（剩余6399字）