直接焊接t型矩形管节点平面外抗弯刚度的-研究

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1、哈尔滨工业大学工程硕士学位论文stiffness.Thechordunderout-of-planemomentloading,thechordunderin-planemomentloading,branchunderaxialloadingshowonobviousinfluenceonpost-yieldbendingstiffness.Theinfluencesofcomplexloadingsituationswereconsideredbyproposingrelevantcorrectionfactortothef

2、ormulaswhichwerederivedwhenthebranchunderpurebending.Keywords:ThedirectlyweldedT-jointsofRHS,theplastichingemodel,finiteelementanalysis,out-of-planebendingstiffness,multipleregressionanalysis-III-哈尔滨工业大学工程硕士学位论文目录摘要....................................................

3、...........................................................................IAbstract.............................................................................................................................II第1章绪论...................................................

4、........................................................11.1钢管结构与直接焊接节点概述.......................................................................11.1.1钢管结构................................................................................................11.1.2直接焊接节点.....

5、...................................................................................31.2直接焊接节点研究现状...................................................................................41.2.1直接焊接节点承载力方面....................................................................41

6、.2.2直接焊接节点刚度方面........................................................................71.3本课题的研究意义和研究内容.......................................................................91.3.1研究意义...................................................................................

7、.............91.3.2研究内容..............................................................................................10第2章T型矩形管节点有限元分析模型的建立.................................................112.1引言........................................................................

8、..........................................112.2单元类型的选择.............................................................................