Designation:C1577−17StandardSpecificationforPrecastReinforcedConcreteMonolithicBoxSectionsforCulverts,StormDrains,andSewersDesignedAccordingtoAASHTOLRFD1ThisstandardisissuedunderthefixeddesignationC1577;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoverssingle-cellprecastreinforcedconcreteboxsectionscastmonolithicallyandintendedtobeusedfortheconstructionofculvertsandfortheconveyanceofstormwater,industrialwastesandsewage.NOTE1—Thisspecificationisprimarilyamanufacturingandpurchas-ingspecification.However,standarddesignspertheAASHTOLRFDBridgeDesignSpecificationsareincludedandthecriteriausedtodevelopthesedesignsaregiveninAppendixX1.Thesuccessfulperformanceofthisproductdependsupontheproperselectionoftheboxsection,bedding,backfill,andcarethattheinstallationconformstotheconstruc-tionspecifications.Thepurchaseroftheprecastreinforcedconcreteboxsectionsspecifiedhereiniscautionedthatpropercorrelationoftheloadingconditionsandthefieldrequirementswiththeboxsectionspecified,andprovisionforinspectionattheconstructionsite,arerequired.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.2.ReferencedDocuments2.1ASTMStandards:2A1064/A1064MSpecificationforCarbon-SteelWireandWeldedWireReinforcement,PlainandDeformed,forConcreteA615/A615MSpecificationforDeformedandPlainCarbon-SteelBarsforConcreteReinforcementA706/A706MSpecificationforDeformedandPlainLow-AlloySteelBarsforConcreteReinforcementC33/C33MSpecificationforConcreteAggregatesC150/C150MSpecificationforPortlandCementC260/C260MSpecificationforAir-EntrainingAdmixturesforConcreteC309SpecificationforLiquidMembrane-FormingCom-poundsforCuringConcreteC494/C494MSpecificationforChemicalAdmixturesforConcreteC497TestMethodsforConcretePipe,ManholeSe...
