SPAN STRUCTURES OF REINFORCED CONCRETE BRIDGES WITH MULTIFUNCTIONAL CANTILEVERS
DOI:
https://doi.org/10.31713/budres.v0i39.020Abstract
Inthispaper, theroleofcantileverelementsinreinforcedconcretebeamspanstructuresofbridgesisshownontypicalexamplesofrealbridges, andalsovariousvariantsoftheirmultipurposeapplicationas a partofcrosssectionsbothinconstructionofnew, andduringreconstructionofexistingbridgesareconsidered.
Therolesofconsolesinspanstructuresis mainly determined by their length, so increasing the length to 3-4 m makes it possibletoplaceonthemnotonlythesidewalk, butalsothebikepathandedgelaneofthebridgedeck. Becausetheseelementstherewillbemoreextraspaceonthebridgedeck, thebeamstructurecanbedesignedmorereasonablytoreducethenumberofmainbeamsandthewidthofthepier.Inaddition, thelongplateconsoleprotectsthesurfaceofthesidebeamfromobliquerainandsolarradiation, simplifiesdrainageintotheguttersthroughthesideedge, andalsohasanarchitecturalandaesthetic.
Rationaluseofcantilever overhangs of considerable length makes it possible to optimize cross-sections for both new and reconstructedbridgesandtoobtainsignificantsavingsofmaterialsandfundswithoutanylossofnormaloperationindicatorsandperformance.
