Designation:C1102–94StandardTestMethodforTimeofSettingofPortland-CementPastesContainingQuick-SettingAcceleratingAdmixturesforShotcretebytheUseofGillmoreNeedles1ThisstandardisissuedunderthefixeddesignationC1102;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationofthetimeofsettingofportland-cementpastescontainingquick-settingacceleratingadmixturesforshotcrete.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:C266TestMethodforTimeofSettingofHydraulicCe-mentPastebyGillmoreNeedles23.SignificanceandUse3.1Theperformanceofaquick-settingacceleratingadmix-tureforshotcretevarieswiththecompositionoftheportlandcement.Sincethistestmethodinvolvesthedeterminationoftimeofsettingofaparticularcombinationofaportlandcementandaquick-settingacceleratingadmixture,itthereforepro-videsinformationonthesuitabilityforuseofthatparticularcombination.3.2Thetimeofsettingofthecombinationestablishedinthelaboratorydoesnotnecessarilyindicatethetimeofsettingthiscombinationwillproduceinactualshotcretingoratotherthanlaboratorytemperatures.Dataonthetimeofsettingofquick-settingacceleratingadmixturesforshotcretehavebeenpub-lished.3,44.Apparatus4.1TheapparatusdescribedinTestMethodC266isusedtofollowthistestmethodinprinciple.5.Procedure5.1PreparationofCementPaste:5.1.1Non-liquidAdmixtures—Inasuitablerubberorplasticcup,blendwithaspatulauntiluniform,100gofcementwitheither3goftheshotcreteadmixtureortheamountofadmixturerecommendedbythemanufacturerforusewith100gofcement.Adddistilledor...
