12-江山市迎宾大桥设计

1,2,1(1.,310001;2.,324100):,,,,,:;;;;:U448.22;U442.5:A:1671-7767(2006)01-0017-03:2005-06-30:(1978-),,,2000,1,,48,,20038,,,2,,;,6m;180m,,,,,,,,255d,1820mm17.1,728.9,15.3,40.5,10.43(1):60km/h(2):-A,(3):2%;:1.5%,1.0%(4):(5):(6):4,,,,,,:(1),49m,49m4,(2),,,(3),,,,(4),,,71,,,,(55+90+55)m,,,,,,115305m,225m,(55+90+55)m,,,249m,,,,,24.5m,32004,200692366.1,,,,,D180cm,6.2,15m,200cm,23.4m,;25cm,60cm;40cm250cm(,),24.5m,23.4m,1.1m,;20cm;30cm,40cm,50cm60cm2m6.3,86m,1/8.6,,2.0m,1.4m,18cm,60cm;25cm,40cm6.4,,,,100cm,18cm,30cm,60cm6.5,,,1.5m,24.5m,23.4m,1.1m,1.5%28m,,,20cm6.6,,,8120061,,,,,,,,(OVM2Tu1),OVMXG.T15227,24Rby=1860MPa,0.57Rby,4000kN7,,:(1)(2)(3)(4)(5)(6)(7)(8),15,515,(JTJ021-85),,,MidasCivil,MidasCivil8,,,1m,,,,+,4,,15,3,,,,,,,9,,,,,,,,,:[1],,,.[J].,2001,(2):27-28.(55)91,,StudyofVerticalRigidityofBridgeSeismicIsolationRubberBearingsinaStateofCompressionandShearDeformationHANQiang1,LIUWen2guang2,DUXiu2li1,ZHAOJian2feng1(1.CollegeofArchitecturalEngineering,BeijingUniversityofTechnology,Beijing100022,China;2.EngineeringEarthquakeResearchCenter,GuangzhouUniversity,Guangzhou510405,China)Abstract:Inthispaper,thecomputationtheoriesforverticalrigidityofbridgeseismicisola2tionrubberbearingsinastateofcompressionandsheardeformationarediscussed.Thetestsforverticalrigiditypropertiesofthebearingswithdifferentparametersinthesamestateasmen2tionedaboveareperformedandtheverticalrigidityvaluesofbiasingcompressionobtainedbydif2ferentequationsareanalyzedandcompared.Finally,conclusionsaregeneralizedthattheverticalrigidityofpurecompressionisnotenoughtocompletelyreflecttheverticalcompressionproper2tiesofthebearingswhenthepropertiesofthebearingsareevaluatedinanall2roundway.Keywords:rubberbearing;compressionandsheardeformation;verticalrigidityofbiasingcompression;teststudy(19)DesignofYingbinBridgeinJiangshanWUJu2jun1,WUYue2zhang2,ZHAOLin2qiang1(1.HangzhouMunicipalUrbanConstructionDesignandResearchInstitute,Hangzhou310001,China;2.JiangshanCityLocalRailwayConstructionDevelopmentCo.,Ltd.,Jiangshan324100,China)Abstract:Thedesignofcitybridgesclaimsagooddealtheinputoflandscapefunctionsofthebridges.Forthedecktypepalm2leafshapetiedarchstructureadoptedforthemainbridgeofYingbinBridgeinJiangshanCity,thearchstructureisnovel,theprofileofthearchbridgetypelooksfluentandelegant,andisquiteharmoniouswithitssurroundings.Withreferencetotheen2gineeringfeaturesandrequirementsforlocationoftheBridgeinthefamoussceneryspot,thispa2perhighlightstheprocessofconceptualdesignoftheBridgeandpresentsinconsiderabledetailsthebridgetype,structuraldesign,mechanicalanalysisandconstructionschemes.ItisexpectedthatthepresentationsherewithwillbehelpfultothedesignofbridgesofsimilarkindinChina.Keywords:palm2leafshapetiedarch;boxarch;externalstrandtiebeam;conceptualdesign;bridgedesign55,,,