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1、密級公開+分類號TU398.6X'IANTECHNOLOGICALUNIVERSITY碩士學(xué)位論文題目:冷彎薄壁鋼-重組竹箱型組合梁抗彎性能研究作者:白文魁指導(dǎo)教師:李三慶副教授申請學(xué)位學(xué)科:結(jié)構(gòu)工程2018年05月11日Thefiniteelementmodelofcompositebeamsareestablishedbythefactorssuchasspanofbeam,thicknessofreconstitutedbamboo,heightandthicknessofcold-formedthin-wal
2、ledsteel,span-depthratioanddepth-thicknessratio.Theinfluenceofdifferentfactorsonflexuralcapacityisstudiedbysimulation.Bycomparingtheflexuralcapacityofcompositebeamssimulatedbyvariousfactorswiththetheoreticalvaluescalculatedbytheoptimizedformula,itisfoundthattheerrorsbetweenthetwomethodsar
3、esmall,whichprovesthecorrectnessandapplicabilityoftheoptimizedformulas.Orthogonalanalysisisusedtoobtaintheoptimalparametercombinationfactorsofcompositebeam.Theflexuralcapacityofcold-formedthin-walledsteel-reconstitutedbambooboxcompositebeamisestimated.Theresultsshowthatthecompositebeamsst
4、udiedinthispaperhavebettermechanicalpropertiesandintegrity,andcanbeusedasabearingmemberinbuildingstructure.KeyWords:compositebeam;reconstitutedbamboo;cold-formedthin-walledsteel;flexuralcapacity;finiteelementanalysis;influencefactors;orthogonalanalysis目錄1緒論................................
5、.......................................................................................................11.1研究背景............................................................................................................................11.2鋼與混凝土組合結(jié)構(gòu).........................................
6、...............................................................31.2.1鋼與混凝土組合結(jié)構(gòu)主要類型及特點.....................................................................31.2.2鋼與混凝土組合結(jié)構(gòu)的發(fā)展.....................................................................................41.3現(xiàn)代竹結(jié)構(gòu).......................
7、.................................................................................................51.4材料特性............................................................................................................................71.4.1人造竹材板..........................