Designation:D8123−22StandardTestMethodsforMeasuringtheOpeningSizeofGeohazardNettings1ThisstandardisissuedunderthefixeddesignationD8123;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethodsareindexteststomeasuretheopeningsizeofageohazardnetting,oritscomponents,orboth,asithasbeenmanufactured.Theycanbeusedforestimatingthelargestsizeofrockorotherobjectthatmaypassthroughanindividualopeninginthegeohazardnettingwithouttransfer-ringloadtothewiremeshorwirenetandmayalsobeusedforqualitycontrolpurposes.Thesetestmethodsarenotusedtodeterminethemaximumsizerockorotherobjectthatthegeohazardnettingmaycontainthroughmobilizationofthenetting’sstrength.Thesetestmethodsdonotapplytothemeasurementoftheopeningsizeofageosynthetic,suchasaturfreinforcementmatorgeotextile,thatmaybemanufacturedasacompositesystemwiththegeohazardnetting.1.2Units—ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareprovidedforinformationonlyandarenotconsideredstandard.ReportingoftestresultsinunitsotherthanSIshallnotberegardedasnonconformancewiththisstandard.1.3AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.1.3.1Forpurposesofcomparingameasuredorcalculatedvalue(s)withspecifiedlimits,themeasuredorcalculatedvalue(s)shallberoundedtothenearestdecimalofsignificantdigitsinthespecifiedlimit.1.3.2Theproceduresusedtospecifyhowdataarecollected/recordedorcalculatedinthestandardareregardedastheindustrystandard.Inaddition,theyarerepresentativeofthesignificantdigitsthatgenerallyshouldberetained.Theproce-duresuseddonotconsidermaterialvariation,purposeforobtainingthedata,specialpurposestudies,oranyconsider-ationsfortheuser’sobjective;anditiscommonpracticetoincreaseorreducesignificantdigitsofreporteddatatobec...