Designation:C890−13StandardPracticeforMinimumStructuralDesignLoadingforMonolithicorSectionalPrecastConcreteWaterandWastewaterStructures1ThisstandardisissuedunderthefixeddesignationC890;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticedescribestheminimumloadstobeappliedwhendesigningmonolithicorsectionalprecastconcretewaterandwastewaterstructureswiththeexceptionofconcretepipe,boxculverts,utilitystructures,andmaterialcoveredinSpeci-ficationC478.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C478SpecificationforCircularPrecastReinforcedConcreteManholeSections2.2AASHTOStandard:StandardSpecificationsforHighwayBridges,16thEdition32.3ACIStandard:ACI318BuildingCodeRequirementsforReinforcedCon-crete43.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:3.1.1abovegroundstructures—allstructureswiththeirbaseatoraboveground.3.1.2bearingloads—thefoundationpressurereactiontoallotherloadsactingonthestructure.3.1.3belowgroundstructures—allstructuresotherthanthosewiththeirbaseatoraboveground.3.1.4deadloads—themassofthestructureandallperma-nentloadsimposedonthestructure.3.1.5equipmentloads—loadsinducedintothestructurebyequipmentinstalledonmountingdevicescastintothestruc-ture.3.1.6hydrostaticloads—allpressuresduetotheweightofwaterorotherliquids.3.1.7lateralearthloads—thelateralpressureduetotheeffectiveweightofadjacentearthbackfill.3.1.8l...
