預(yù)應(yīng)力矩形鋼管混凝土桁架結(jié)構(gòu)受力性能研究

1、。Y。978015分類號：TU3長安大學(xué)碩士學(xué)位論文指導(dǎo)教師姓名!蓬塞盤堂!塑塞查邀申請學(xué)位級別王堂塑學(xué)科名稱繾煎墨壁論文提交日期20064論文答辯日期20064學(xué)位授予單位蓬童盤堂答辯委員會主席：乏絲!蘭學(xué)位論文評閱人：起塑造務(wù)哪同中國西安AbstractAprestressedrectangularconcretefilledsteeltrusswasproposed，whichiscomposedofthecompressionb

2、ar“hetopchord)madeofrectangularconcretefilledsteeltubeandthetensionmember(thedownchord)madeoftherectangularprestressedsteeltubeTheprestressedconcretefilledsteeltubetrussisanewkindoftrussstructure，whichunifiestheadvantage

3、softheconcretefilledsteeItubeandtheprestressedtechnologyTheremarkablecharacteristicisthatthestressdistributionisreasonableandthestructureperformanceisimprovedAtthesametimethestressdistortionperformancecanachievethebestco

4、nditionTherigidityofthenewstructureisenhancedanditsdeflectionandthetrussdeptharereducedThisstructuresuitsgreatlyinmanystructuresSUchastheheavy10adedstructure，theseismicstructurethestructureusedincomplexadversecircumstanc

5、eandSOonBasedOUthestructuredesigntheoryandtheeconomicalperformanceresearchtheauthorUSeStheANSYSproceduretoanalyzevarioustrussesTheidenticalspallandstructuralstyle，thedifferentspan(24m，36m，48m)butidenticalstructuralstyleo

6、ftheexactsquaresteelpipetruss，theexactsquareconcretefilledsteeltubetruss，theexactsquareprestressedsteelpipetrussandtheprestressedexactsquareconcretefilledsteeltubetrussareanalyzcdTheloaddisplacementcurvesofeachkindofthos

7、etrussesaredrawnTheloaddisplacementcurvesofthethreespantrussesaredrawninonefigureandthecuresamongthefourvarioUStruSSesarcdrawnThroughanalysesofthosecurvesthemainconclusionswereposedFinallvthispapercarriedonsomeresearchon

8、thestructureandthepointoftheprestressedconcretefilledsteeltllbetruss，Timelimited，thisarticleconductedonlythestaticmechanicsperformanceresearchontheprestessedrectangularconcrete丘lledsteeltubetrussthedynamicperformance鷸wel