南昌洪都大桥自锚式悬索桥设计

,(,200092):195m,3,,,:;;;;;:U448.25;U442.5:A:1671-7767(2010)03-0005-04(5),,,,,,(_6@6)1,,9.5km,:5!40m(PC)+40m(PC)+(85+195+85)m()+40m(PC)2!(0.5m+0.5m+2!3.5m+2!3.75m+0.5m+1.5m)=35m(85+195+85)m,3,,12009212:8,:60km/h:-A,:#-(3),45m,8m,4633.1,,,,,75m,,,,70cm,40cm,,102.2m23.23.2.1,Q345qC,4m,39,,9m,14mm,U,8mm;12mm,U,6mm;3.0m,,,35,:2009-11-10:197-19972000Email:chenliang20012.com:.2.22,,,,22,1,,,,1000t3mC50,,-,,,,3333(1)(2)(3),437,7m,5m,4.5m-,343.33.3.13,87m,195m,15,3,,2,2,9m,35,70333,620103.2.:..271275.0mm,380mm2.5m1397.0mm,380mm,3.3.3857.0mm,11397.0mm45,5,60mm80mm100mm5,,,,:%;&66,5,5[],[]33(),3t,,137,,4,,:,,24.1,,,,,,,,,[3]4.2,41m,,200m/s,2,,0.123m,,,[4]5(1),(),,65,57,0.20.112..48227m44.m,5m,,,,7(3)(4),,(PPWS),(5),,(6),6,,200610,20092,,:[1]JTJxxx-2002,()[S].[2].[R].2008.[3].[R].2007.[4].[R].2008.DesignofSelfAnchoredSuspensionBridgeofHongduBridgeinNanchangCHENLiang,LUYongcheng(ShanghaiMunicipalEngineeringDesignandResearchInstitute,Shanghai200092,China)Abstract:ThenavigablespanbridgeoftheHongduBridgeinNanchangisatwotowerandthreespansinglecableplaneselfanchoredsuspensionbridgewithamainspan195mandstructurally,threemaincablesareprovidedforthebridgeandtheconfigurationofthebridgeiselegant.Thispaperpresentstheprincipalcontentsofthedesignofthetowers,stiffeningsteelboxgirder,cableandsuspendersystemofthebridge,theconstructionmethodoferectingthegirderfirstandinstallingthecableandsuspendersystemlateandconductsastudyofthemechanicalmechanismofthesteelandconcreteanchoragezonesforthemaincablesandwindresistanceperformanceofthebridge.Theresultsofthestudydemonstratethatthemechanicalbehaviorofvariouscomponentsoftheanchoragezonescanmeettherequirementsandthebridgehasfairlygoodaerodynamicstability.Keywords:selfanchoredsuspensionbridge;steelboxgirder;tower;stiffeninggirder;maincable;design820103