縱橫彎曲對混凝土柱最優(yōu)吊點(diǎn)位置影響的研究

1、東北電力大學(xué)碩士學(xué)位論文縱橫彎曲對混凝土柱最優(yōu)吊點(diǎn)位置影響的研究姓名：衣鶴童申請學(xué)位級別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：甘鳳林20060301東北電力大學(xué)碩士學(xué)位論文—■曹舅——■曼皇—■皇皇曼■皇寰曼■|量曼鼉—皇苣量——皇■——皇審——|蔓量■■置璺———孽舅■邕|曩II量鼻皇_AbstractDouble—hoistthree—pointliftingiSthesimplesttypeofrestriction1inesystemw

2、hichiswidelyusedintheactualWOrkDecidingitsoptimumliftingpointSarebasedonthedesigningprincipleofthelifting—pointoptimizationItcallbecontrolledbyresearchingitsinternalfoteesduringitsrotatingprocessthattheabsolutevalueofmom

3、entmaximumatthemaindangeroussectionofthepostistheminimumThereinforcedconcretelongDost也atisrestrictedbyrestrictionlinesystemisforeedbyaxialfoIcesinevitablyandwiththelateralforcestheproblemcanbeproducedthatiscalledbendingv

4、erticallyandhorizontallyNotonlYhavetheaxialforCCSproducedthemomentbutalSOthelateralloadsdobecauseoflateraldeformationThelateraldeformationCanbeincreasedasaresultofthisAsanactualproblemexistingintheworkitmustbeattachedimp

5、ortancetoespeciallylinearrigidityofthereinforcedconcretelongpostisverysmallInthisarticleithasbeenresearchedthatthechangesofthelateraldefoimationandtheabsolutevalueofmomentmaximumatthecontrollingsectionproducedbybendingve

6、rticallyandhorizontallyThepositionoftheoptimum1iftingpointhasbeenworked0utbyanalyzingitsdeformationandinternalforcesthatiSinfluencedbybendingverticallyandhorizontallyAstothedoublehoistthreepointliftingoftherainforcedconc

7、retelongpostthealgorithmoftheliftingpointoptimizationhasbeenfigured0ut01“1thebasisofrestrictionlinesvstemmechanicsandadvancedmechanicsofmaterialsandthegivendataoftheliftirigpointshavebeenverifiedAnalysisonagreatvolumeofd

8、ataprovestheabsoluteValueofmomentmaximumiSt00Sillall，accordinglytheinfluenceOiltheoptimu／nlifting—pointCanbeneglectedthatisproducedduetobend妯gverticallyandhorizontallyKeywords：Bendingverticallyandhorizontally；Optimumlift