Designation:A761/A761M−17AmericanAssociationStateHighwayandTransportationOfficialsStandardAASHTONo.M167⁄M167MStandardSpecificationforCorrugatedSteelStructuralPlate,Zinc-Coated,forField-BoltedPipe,Pipe-Arches,andArches1ThisstandardisissuedunderthefixeddesignationA761/A761M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationcoverscorrugatedsteelstructuralplate,zinc-coated,usedintheconstructionofpipe,pipe-arches,arches,underpasses,andspecialshapesforfieldassem-bly.Appropriatefastenersandaccessorymaterialsarealsodescribed.Thepipe,arches,andothershapesaregenerallyusedfordrainagepurposes,pedestrianandvehicularunderpasses,andutilitytunnels.1.2Thisspecificationdoesnotincluderequirementsforbedding,backfill,ortherelationshipbetweenearthcoverloadandplatethicknessofthepipe.Experiencehasshownthatthesuccessfulperformanceofthisproductdependsupontheproperselectionofplatethickness,typeofbeddingandbackfill,manufactureintheplant,andcareintheinstallation.Thepurchasermustcorrelatetheprecedingfactorsandalsothecorrosionandabrasionrequirementsofthefieldinstallationwiththeplatethickness.ThestructuraldesignofcorrugatedsteelstructuralplatepipeandtheproperinstallationproceduresaredescribedinPracticesA796/A796MandA807/A807M.1.3Thisspecificationisapplicabletoordersineitherinch-poundunits(asA761)orSIunits(asA761M).Inch-poundunitsandSIunitsarenotnecessarilyequivalent.SIunitsareshowninbracketsinthetext,buttheyaretheapplicablevalueswhenthematerialisorderedtoA761M.1.4Thisspecificationreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(ex-cludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthisspecification.2.ReferencedDocuments2.1ASTMStandards:2A36/A3...
