arch bridge - Encyclopedia Britannica

The arch bridge carries loads primarily by compression, which exerts on the foundation both vertical and horizontal forces. Arch foundations must therefore ... archbridge TableofContents References Media Images archbridge Share Share Sharetosocialmedia Facebook Twitter URL https://www.britannica.com/technology/arch-bridge JonquièreThearchedaluminumArvidaBridgeinJonquière(nowSaguenay),Quebecprovince,Can.Chris-13Venice:RialtoBridgeTheRialtoBridgeacrosstheGrandCanalinVenice.©JeffreyS.CampbellbridgeformsSixbasicbridgeforms.EncyclopædiaBritannica,Inc.archbridgeAnarchbridge,withforcesofcompressionrepresentedbythegreenline.EncyclopædiaBritannica,Inc.partsofacirculararchPartsofacirculararch.EncyclopædiaBritannica,Inc.Learnaboutthistopicinthesearticles:ancientRomeInbridge:RomanarchbridgesTheRomansbeganorganizedbridgebuildingtohelptheirmilitarycampaigns.Engineersandskilledworkmenformedguildsthatweredispatchedthroughouttheempire,andtheseguildsspreadandexchangedbuildingideasandprinciples.TheRomansalsodiscoveredanaturalcement,calledpozzolana,which…ReadMoreChinaInbridge:Asiancantileverandarchbridges…Chinesecreatedaflexiblemasonry-archbridge.Usingthin,curvedslabsofstone,thebridgesyieldedtoconsiderabledeformationbeforefailure.ReadMoreconstructionInbridge:ArchThearchbridgecarriesloadsprimarilybycompression,whichexertsonthefoundationbothverticalandhorizontalforces.Archfoundationsmustthereforepreventbothverticalsettlingandhorizontalsliding.Inspiteofthemorecomplicatedfoundationdesign,thestructureitselfnormallyrequireslessmaterialthana…ReadMoreInbridge:ArchbridgesArchesarenormallyfabricatedon-site.Afterthebuildingofabutments(andpiers,ifthebridgeismultiarch),afalseworkisconstructed.Foraconcretearch,metalorwoodenfalseworkandformsholdthecastconcreteandarelaterremoved.Forsteelarches,a…ReadMoreRenaissanceInbridge:StonearchbridgesDuringtheRenaissancetheItalianarchitectAndreaPalladiotooktheprincipleofthetruss,whichpreviouslyhadbeenusedforroofsupports,anddesignedseveralsuccessfulwoodenbridgeswithspansupto30metres(100feet).Longerbridges,however,werestillmadeof…ReadMore