Designation:D7765−18aStandardPracticeforUseofFoundrySandinStructuralFillandEmbankments1ThisstandardisissuedunderthefixeddesignationD7765;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thispracticecoversmethodstousefoundrysandasembankmentandstructuralfill.1.2Thispracticeincludesrecommendedconstruction(Sec-tion5),compactioncontrol(Section6),andfreeze-thawdurability(Section7)practices.1.3Theengineershouldbeawarethatfoundrysandisaby-productofmetalcastingindustries.Variouslocal,state/provincial/regional,ornational/federalenvironmentallawsandregulationsmayapplyiffoundrysandisusedasanalternativeembankmentorfillmaterial.Itisadvisedthatfoundrysanduserscontactappropriateenvironmentalregulatorstodeter-minewhatrequirementsorlimitationsmayexist.1.4Thisstandardprimarilyappliestogreenfoundrysandandalsogenerallytochemicallybondedfoundrysand.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.7Thispracticeoffersasetofinstructionsforperformingoneormorespecificoperations.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthisguidemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject’smanyuniqueaspects.Theword“Standard”inthetitleofthisdocumentmeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.1.8Thisinternationalst...
