|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||BRITISHSTANDARDBS7533-1:2001ICS93.080.20NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWPavementsconstructedwithclay,naturalstoneorconcretepaversÐPart1:GuideforthestructuraldesignofheavydutypavementsconstructedofclaypaversorprecastconcretepavingblocksLicensedcopy:PONTYPRIDDCOLLEGE,11/11/2007,UncontrolledCopy,©BSIThisBritishStandard,havingbeenpreparedunderthedirectionoftheSectorCommitteeforBuildingandCivilEngineering,waspublishedundertheauthorityoftheStandardsCommitteeandcomesintoeffecton15February2001©BSI02-2001ThefollowingBSIreferencesrelatetotheworkonthisstandard:CommitteereferenceB/507Draftforcomment98/108845DCISBN0580332357BS7533-1:2001AmendmentsissuedsincepublicationAmd.No.DateCommentsCommitteesresponsibleforthisBritishStandardThepreparationofthisBritishStandardwasentrustedtoTechnicalCommitteeB/507,Pavingunitsandkerbs,uponwhichthefollowingbodieswererepresented:BrickDevelopmentAssociationBritishCementAssociationBritishCeramicResearchLtd.BritishPrecastConcreteFederationLtd.CementitiousSlagMakers'AssociationCountrySurveyors'SocietyDepartmentoftheEnvironment,TransportandtheRegions(HighwaysAgency)InstitutionofCivilEngineersInstitutionofHighwaysandTransportationInterlay,theAssociationofBlockPavingContractorsInterpave,theConcreteBlockPavingAssociationLandscapeInstituteSocietyofChemicalIndustryStoneFederationThefollowingbodieswerealsorepresentedinthedraftingofthestandard,throughsubcommitteesandpanels:BritishCivilEngineeringTestEquipmentManufacturers'AssociationInstitutionofStructuralEngineersNationalFederationofClayIndustriesLtd.NationalPavingandKerbAssociationLicensedcopy:PONTYPRIDDCOLLEGE,11/11/2007,UncontrolledCopy,©BSIBS7533-1:2001©BSI02-2001iContentsPageCommitteesresponsibleInsidefrontcoverForewordii1Scope12Normativereferences13Termsanddefinitions14Generaldesigncriteria25Newpavementdesign36Pavementcoursespecification97Pavementoverlaydesign10AnnexA(informative)SpecificationofHighwayWorksclauses13AnnexB(informative)Exampleoftheuseofthedesignmethodforanewpavement13AnnexC(informative)Exampleoftheuseofthecomponentoverlaydesignmethod14Bibliography15Figure1ÐPavementcross-section5Figure2ÐNewpavementdesignprocedureÐFoundationdesign7Figure3ÐNewpavementdesignprocedureÐStructuraldesignforroadbaseandsurfacing9Table1ÐEquilibriumsuctionindexCBRvalues3Table2ÐRelationshipbetweencommercialvehiclesperdayandthenumberofstandardaxlesfordesignlivesof20yearsand40yearsatgrowthratesof0%and2%perannum4Table3ÐSpecificationofHighwayWorksclauses10Table4ÐMaterialconversionfactors(MCFs)forevaluatinghighwaypavementmaterials11Table5ÐEquivalentthicknessofpaversandlayingcourse11Table6ÐConditionfactorCF112Table7ÐConditionfactorCF212TableC.1ÐExistingpavementconstruction14TableC.2ÐStructuralDBMequivalence14TableC.3ÐPaveroverlay14Licensedcopy:PONTYPRIDDCOLLEGE,11/11/2007,UncontrolledCopy,©BSIii©BSI02-2001BS7533-1:20011)Inpreparation.ForewordThispartofBS7533hasbeenpreparedbyTechnicalCommitteeB/507.ItsupersedesBS7533:1992,whichiswithdrawn.BS7533willbepublishedinthefollowingparts:ÐPart1:Guideforthestructuraldesignofheavydutypavementsconstructedofclaypaversorprecastconcretepavingblocks;ÐPart2:Guideforthestructuraldesignoflightlytraffickedpavementsconstructedofclaypaversorprecastconcretepavingblocks;ÐPart3:Codeofpracticeforlayingprecastconcretepavingblocksandclaypaversforflexiblepavements;ÐPart4:Codeofpracticefortheconstructionofpavementsofprecastconcreteflagsornaturalstoneslabs;ÐPart51):Guideforthedesignofpavements(otherstructuralaspects);ÐPart6:Codeofpracticeforlayingnaturalstone,precastconcreteandclaykerbunits;ÐPart71):Codeofpracticefortheconstructionofpavementsofnaturalstonesetts;ÐPart81):Guideforthestructuraldesignoflightlytraffickedpavementsofprecastconcreteflagsandnaturalstoneslabs.ÐPart91):Codeofpracticeforlayingclaypavers.AnnexesA,BandCareinformative.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,pagesiandii,pages1to15andabackcover.TheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.Licensedcopy:PONTYPRIDDCOLLEGE,11/11/2007,UncontrolledCopy,©BSIBS7533-1:2001©BSI02-200111ScopeThisBritishStandardprovidesguidanceonthedesignofflexiblepavementssurfacedwithclayorconcreteblockpaversmanufacturedinaccordancewithBS6677-1andBS6717-1respectivelyandlaidinaccordancewithBS7533-3.Itappliestoallpavementssubjectedtotheusualroadspectrumofaxleloadsupto18000kgandtraffickedbybetween0.5millionstandardaxles(msa)and12msa,includingbothhighwaypavementsandindustrialpavementswherethetrafficissimilarincharactertohighwayvehicles.Itspecificallyexcludesheavydutypavementswithtrafficexceeding12msaandotherapplicationssuchasaircraftpavementsandthoseinportsandspecializedindust