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1、ACI358.1R-92ANALYSISANDDESIGNOFREINFORCEDANDPRESTRESSED-CONCRETEGUIDEWAYSTRUCTURESReportedbyACICommittee358HidayatN.GrouniSamiW.TabshChairmanSecretaryT.IvanCampbellStephenJ.KokkinsMichaelP.CollinsAndyMoucessianCharlesW.DolanAndrzejS.NowakRogerA.DortonHenryG.RussellThomasT.CHsuCHAPTER2-GeneralDesignC
2、onsiderations,Theserecommendations,preparedbyCommittee358,pre-pg.358.1R-5sentaprocedureforthedesignandanalysisofreinforcedand2.1Scopeprestressed-concreteguidewaystructuresforpublictransit.The2.2StructuralConsiderationsdocumentisspecificallypreparedtoprovidedesignguidancefor2.3FunctionalConsideration
3、selevatedtransitguideways.Foritemsnotcoveredinthisdocu-2.4EconomicConsiderationsmenttheengineerisreferredtotheappropriatehighwayandrail-2.5UrbanImpactwaybridgedesigncodes.2.6TransitOperations2.7Structure/VehicleInteractionLimitstatesphilosophyhasbeenappliedtodevelopthede-2.8Geometricssigncriteria.Ar
4、eliabilityapproachwasusedinderivingloadand2.9ConstructionConsiderationsresistancefactorsandindefiningloadcombinations.Atargetre-2.10RailsandTrackworkliabilityindexof4.0andaservicelifeof75yearsweretakenasthebasisforsafetyanalysis.ThereliabilityindexishigherthantheCHAPTER3-Loads,pg.358.1R-15valuegener
5、allyusedforhighwaybridges,inordertoprovidea3.1Generallowerprobabilityoffailureduetothehigherconsequencesof3.2SustainedLoadsfailureofaguidewaystructureinapublictramitsystemThe753.3TransientLoadsyearservicelifeiscomparablewiththatadoptedbyAASHTOfor3.4LoadsduetoVolumetricChangestheirupdatedhighwaybridg
6、edesignspecifications.3.5ExceptionalLoads3.6ConstructionLoadsCHAPTER4-LoadCombinationsandLoadKEYWORDS:Boxbeams;concreteconstruction;cracking(fracturing);andStrengthReductionFactors,pg.358.1R-deformation;fatigue(materials);guideways;loads(forces);monorailsystems:partialprestressing;precastconcrete;pr
7、estressedconcrete:23prestressloss;rapidtransitsystems;reinforcedconcrete;serviceablity;4.1Scopeshearproperties:structuralanalysis;structuraldesign:T-beams;4.2BasicAssumptionstorsion;vibration.4.3Servi
