斜拉桥的发展现状与发展趋势

:100926825(2008)1920320203:2008203210:(19702),,,,527200:,,,,:,,:U448.27:A0,,,,,,,117,,,18,1938Dishinger,,182m,,,100m1000m,3.21501h90,:1501h,,,,,,3.31);2)4,,4.1,,4.2,,,,,4.3;4.4,;,DiscussiononthequestionsexistinginsubwaytunnelventilationandsmokedischargeandcountermeasureLIUYi2jieYUWeiAbstract:Aimingatthecurrentsituationofventilationandsmokedischargeequipmentinsubwayplatformtunnel,thequestionexistinginventilationandsmokedischargeofsubwayplatformtunnelwasanalyzed,andprovidedthereformmeasure,itpointsoutwhichhasimportantmeaningtoreducecasualtyandpropertylosstosetreasonableventilationandsmokedischargeequipment.Keywords:tunnel,ventilationandsmokedischargeequipment,subway,fire2resistant023341920087SHANXIARCHITECTUREVol.34No.19Jul.2008,300,:1959CologneSeverin,302m,A,,,1962,235m,,2060,1967Friedrich2Ebert,280m,,,,,1975,75.8m,,,3:1),2),,3),,2,,:1),,,,,2),Y,3)()Ricardo,:4),,,PEPU,31),,,,,,,,,,,2),,,,,:;;,,,,,3),150m,,,,,,,,,,,,,,,,,,4),,,,,,,,4,,,,,,,:[1].[M].:,1984.[2].21[J].,2000,33(3):126.[3],.[J].,2007,33(25):3362337.[4].[J].,2006,4(3):92293.[5]WaltherR,HourietB,IslerW.Cablestayedbridges[M].Lon2don:ThomasTelfordHouse,1999.[6].[M].:,2007.123341920087::100926825(2008)1920322202:2008203221:(19792),,,,030024:,,:,,:U455:A146,1060m,1080m,496m;818m;826m,,,,,,;;83.1m2,7.8m,11.7mYT2282(),,,22.1,,,,2.22.2.11),(YT228)(2),40mm2),,,:N=qS/,N;q,q=1.2kg/m32.4kg/m3;S;,;,232mm,0.75kg3),L=l/,L;l;,4.2m4),,,;,,,,,,Q:Q=qV,Q,kg;q;V,m3,V=lS,l,m,S,m22.2.21)E,,,E=10d18d(d),,E=60cm2)WK,W,K(K=E/W),,EW,K=0.83,W=60cm3)Q,,,,0.3kg/m0.35kg/m2,32mm,20cm,150kg4),,32mm,1.5m,,,30cm33.14ThedevelopmentstatusanddevelopmenttrendofcablestayedbridgeCHENGuang2huaAbstract:Thedevelopmentofcablestayedbridgewasintroducedsystematic,thedevelopmenttrendofcablestayedbridgewasdiscussedfromstructurediversification,bridgedecklighttypeandcablenew2typeorientation,thequestionexistingindesignandbuildingofcablestayedbridgewasanalyzed,soastoprovideguideforbuildingofcablestayedbridge.Keywords:cablestayedbridge,calculationmodel,flexiblestructure223341920087SHANXIARCHITECTUREVol.34No.19Jul.2008