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Beam bridge - Wikipedia

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Beam bridges are the simplest structural forms for bridge spans supported by an abutment or pier at each end. ... No moments are transferred throughout the ... Beambridge FromWikipedia,thefreeencyclopedia Jumptonavigation Jumptosearch Thisarticlehasmultipleissues.Pleasehelpimproveitordiscusstheseissuesonthetalkpage.(Learnhowandwhentoremovethesetemplatemessages) Thisarticleneedsadditionalcitationsforverification.Pleasehelpimprovethisarticlebyaddingcitationstoreliablesources.Unsourcedmaterialmaybechallengedandremoved.Findsources: "Beambridge" – news ·newspapers ·books ·scholar ·JSTOR(December2019)(Learnhowandwhentoremovethistemplatemessage) Thisarticle'sfactualaccuracyisdisputed.Relevantdiscussionmaybefoundonthetalkpage.Pleasehelptoensurethatdisputedstatementsarereliablysourced.(September2018)(Learnhowandwhentoremovethistemplatemessage) (Learnhowandwhentoremovethistemplatemessage) BeambridgeMultispanplategirderbridgedeckonconcretepiers.AncestorLogbridgeDescendantBoxgirderbridge,plategirderbridge,trestlebridge,trussbridge[citationneeded]CarriesPedestrians,automobiles,trucks,lightrail,heavyrailSpanrangeShortMaterialTimber,iron,steel,reinforcedconcrete,prestressedconcreteMovableNoDesigneffortLowFalseworkrequiredNounlesscast-in-placereinforcedconcreteisused Beambridgesarethesimpleststructuralformsforbridgespanssupportedbyanabutmentorpierateachend.[1]Nomomentsaretransferredthroughoutthesupport,hencetheirstructuraltypeisknownassimplysupported. Thesimplestbeambridgecouldbealog(seelogbridge),awoodplank,orastoneslab(seeclapperbridge)laidacrossastream.Bridgesdesignedformoderninfrastructurewillusuallybeconstructedofsteelorreinforcedconcrete,oracombinationofboth.Theconcreteelementsmaybereinforced,prestressedorpost-tensioned.Suchmodernbridgesincludegirder,plategirder,andboxgirderbridges,alltypesofbeambridges. Typesofconstructioncouldincludehavingmanybeamssidebysidewithadeckacrossthetopofthem,toamainbeameithersidesupportingadeckbetweenthem.ThemainbeamscouldbeI-beams(alsoknownasH-beams),trusses,orboxgirders.Theycouldbehalf-through,orbracedacrossthetoptocreateathroughbridge. AfootbridgeusingbeamsoverastreaminDordogne,France Becausenomomentsaretransferred,thrust(asfromanarchbridge)cannotbeaccommodated,leadingtoinnovativedesigns,suchaslenticulartrussesandbowstringarches,whichcontainthehorizontalforceswithinthesuperstructure. Beambridgesarenotlimitedtoasinglespan.SomeviaductssuchastheFeiyunjiangBridgeinChinahavemultiplesimplysupportedspanssupportedbypiers.Thisisopposedtoviaductsusingcontinuousspansoverthepiers. Beambridgesareoftenonlyusedforrelativelyshortdistancesbecause,unliketrussbridges,theyhavenobuiltinsupports.Theonlysupportsareprovidedbypiers.Thefartherapartitssupports,theweakerabeambridgegets.Asaresult,beambridgesrarelyspanmorethan250feet(80 m).Thisdoesnotmeanthatbeambridgesarenotusedtocrossgreatdistances;itonlymeansthataseriesofbeambridgesmustbejoinedtogether,creatingwhatisknownasacontinuousspan. References[edit] WikimediaCommonshasmediarelatedtoBeambridges. ^"BeamBridgeFacts,HistoryandDesign".Historyofbridges.Retrieved13September2019. vteBridge-relatedarticlesStructuraltypes Archbridge Basculebridge Beambridge Boxgirderbridge Bridge–tunnel BurrTruss Cable-stayedbridge Canopybridge Cantileverbridge Cantileversparcable-stayedbridge Coveredbridge Cribbridge Double-beamdrawbridge Extradosedbridge Jetbridge Logbridge Moonbridge Moveablebridge Multi-waybridge Navigableaqueduct Pilebridge Pontoonbridge(Vlotbrug) Suspensionbridge(types) Swingbridge Tiltbridge Timberbridge Througharchbridge Transporterbridge Trestlebridge Trussbridge Tubularbridge Viaduct Visualindextovarioustypes Listsofbridgesbytype Listofbasculebridges Listofbridges Listofbridge–tunnels Listofcantileverbridges Listoflistsofcoveredbridges ListofmedievalstonebridgesinGermany Listofmulti-levelbridges Listofroad–railbridges Listoftollbridges Listsofbridgesbysize Bylength Suspensionbridges Cable-stayedbridges Cantileverbridges Continuoustrussbridges Archbridges Masonryarchbridges Highest Tallest Additionallists Bridgefailures Bridgetonowhere Category Retrievedfrom"https://en.wikipedia.org/w/index.php?title=Beam_bridge&oldid=1074907188" Categories:BeambridgesBridgesbystructuraltypeHiddencategories:ArticlesneedingadditionalreferencesfromDecember2019AllarticlesneedingadditionalreferencesAccuracydisputesfromSeptember2018AllaccuracydisputesArticleswithmultiplemaintenanceissuesUsedmydatesfromJune2017AllarticleswithunsourcedstatementsArticleswithunsourcedstatementsfromJanuary2011CommonscategorylinkisonWikidata Navigationmenu Personaltools NotloggedinTalkContributionsCreateaccountLogin Namespaces ArticleTalk English expanded collapsed Views ReadEditViewhistory More expanded collapsed Search Navigation MainpageContentsCurrenteventsRandomarticleAboutWikipediaContactusDonate Contribute HelpLearntoeditCommunityportalRecentchangesUploadfile Tools WhatlinkshereRelatedchangesUploadfileSpecialpagesPermanentlinkPageinformationCitethispageWikidataitem Print/export DownloadasPDFPrintableversion Inotherprojects WikimediaCommons Languages العربيةDanskDeutschEestiEspañolEsperantoEstremeñuEuskaraBahasaIndonesiaItalianoLietuviųNederlands日本語NorskbokmålNorsknynorskSimpleEnglishSuomiSvenskaไทยTürkçe中文 Editlinks

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