【英文标准名称】:StandardTestMethodsforBleedingofConcrete
【原文标准名称】:混凝土泌水性的标准试验方法
【标准号】:ASTMC232-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:C09.60
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:泌水;混凝土;建筑;施工材料;测试
【英文主题词】:bleeding;concrete,bleedingof
【摘要】:Thistestmethodprovidesprocedurestobeusedfordeterminingtheeffectofvariablesofcomposition,treatment,environment,orotherfactorsinthebleedingofconcrete.Itisalsopermittedtobeusedtodeterminetheconformanceofaproductortreatmentwitharequirementrelatingtoitseffectonbleedingofconcrete.MethodA8212;Forasampleconsolidatedbyroddingonlyandtestedwithoutfurtherdisturbance,thussimulatingconditionsinwhichtheconcrete,afterplacement,isnotsubjectedtointermittentvibration.MethodB8212;Forasampleconsolidatedbyvibrationandtestedwithfurtherintermittentperiodsofvibration,thussimulatingconditionsinwhichconcrete,afterbeingplaced,issubjectedtointermittentvibration.1.1Thesetestmethodscoverthedeterminationoftherelativequantityofmixingwaterthatwillbleedfromasampleoffreshlymixedconcrete.Twotestmethods,thatdifferprimarilyinthedegreeofvibrationtowhichtheconcretesampleissubjected,areincluded.1.2Thetwotestmethodsarenotexpectedtoyieldthesametestresultswhensamplesofconcretefromthesamebatcharetestedbyeachmethod.Whenvariousconcretesaretobecompared,allthetestsmustbeconductedusingthesamemethod,andifthebatchesareofsimilarunitweight,thesamplemassesshallnotdifferbymorethan1kg(2lb).1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesinparenthesesareprovidedforinformationpurposesonly.1.4Thetextofthisstandardreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.(Warning-Freshhydrauliccementitiousmixturesarecausticandmaycausechemicalburnstoskinandtissueuponprolongedexposure).
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30(CONCRETEANDCONCRETEPRODUCTS)
【页数】:5P.;A4
【正文语种】: