高速铁路桥梁实现跨越功能的桥式方案设计

:100926825(2008)2520330202:2008205205:(19662),,,,430060:,,,,,:,,,:U442:A,350km,350km,9000m,(),;,,1,,,,,32m,32m,,20km,,22.1,,;,,,,,100m,,100m,,,,,96m,112m,128m23128m;96m,112mf/l=1/5,=1/EhI010.0101qL4=1/0.67EhI01[22/31/8qL21/2(5/81/4)-21/21/41/20.1qL2]=1/EhI010.00077qL4,11qL4/EhI01()0.01010.000770.00940.00280.00960.00230.00490.00960.00160.0043q,,MmaxMf,:[1].[J].,2006,32(16):1412142.TheanalysisofthecamberCHENZhao2huiAbstract:Fromthedefinitionofthecamber,thepaperindicatestheapplicationofthecamberindifferentconcretebridgesandexploresfromthecalculationsofthecambersofthecommonreinforcingconcretesimple2supportedbeams,theprestressreinforcingconcretesimple2supportedbeamsandcommonreinforcingconcretecontinuousbeamsinordertoensurethedesignlineisconsistentwiththelineafterbridgesarebuilt.Keywords:camber,structure,beam,prestressreinforcingconcrete033342520089SHANXIARCHITECTUREVol.34No.25Sep.2008:y=f(chk-1)/(m-1),k=ln(m+m2-1);m=1.347;=2x/L=x/56,18mm,=16mm,,2.5m30cm,30cm,35cm,30cm,52.1068.67,8m1277,2.2,,1/121/14,130m,,,,,130m200m,(70+136+70)m,(90+180+90)m,(90+180+90)m,10.0m,4m0.42m,1.02m;0.40m1.049m,1.50m,0.40m,0.55m,0.70m9m,18f=36.0m,f/l=15,,,1.1m,=20mm,24mm;=16mm2.3VV,(),V,,,()V,,,(48+80+48)mV,3.65m,(3.05m)0.4m;5.2m,V0.8m,0.4m;V0.9m,0.5m2m,V5.2m1.4m,49.31V,,2.2m3793t,1402kNm,352.4,3m,,t1.2mm,,,,,2.4.1,,,,,,2.4.260,,,100m,,(20m)71,,,216m,150m,2.4.3,,,6,4,100m,,,,,,,,,40cm,60cm,80cm,100cm,40cm110cm2.0m,4.2m3,,,,,,,BridgetypeschemedesignofhighspeedrailwaybridgerealizingthestridingoverfunctionWENWang2qingAbstract:Combiningwithengineeringpractice,itexpoundsthecharacteristicofhighspeedrailwaybridgedesign,introducesseveralkindsofdifferentbridgetypescheme,thoroughlydiscusseshowconsiderfromsafety,economy,sceneryandrepairtochoosesuitablebridgetypeandbridgespanschemes,inordertorealizeeverykindofstridingoverfunctionofhighspeedrailwaybridge.Keywords:highspeedrailway,bridgetypescheme,stringpolearch,continualsteelstructure133342520089: