SAE AMS7263 Rings, Sealing, Butyl Rubber Phosphate Ester Hydraulic Fluid Resistant 85 95 (Cancelled Oct 1990)

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Product Code:SAE AMS7263
Title:Rings, Sealing, Butyl Rubber Phosphate Ester Hydraulic Fluid Resistant 85 95 (Cancelled Oct 1990)
Issuing Committee:Ams Ce Elastomers Committee
Scope:
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【英文标准名称】:StandardTestMethodforEarlyStiffeningofHydraulicCement(MortarMethod)
【原文标准名称】:硅酸盐水泥早硬的标准试验方法(灰浆法)
【标准号】:ASTMC359-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:C01.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:earlystiffening;falseset;flashset;hydraulic-cementmortar;Cementmortars;Earlystiffening;Mortarmethod;Mortar(portlandcementmortar);Portlandcement;Stiffness
【摘要】:Thepurposeofthistestmethodistodeterminethedegreetowhichacementmortardevelopsearlystiffening.Itisintendedforusebythoseinterestedinmethodsfordeterminingthepotentialearlystiffeningofhydrauliccement.Whenusedforestimatingtherelativetendencyofacementtomanifestearlystiffening,ajudgmentmaybemadebycomparingthebehaviorinthepenetrationseries(see10.4.1and10.4.2)andtheremixprocedure(see10.4.3)todifferentiatearelativelylessseriousandlesspersistenttendencytoearlystiffening(falseset)fromonethatismorepersistentand,consequently,moreserious(flashset).Severefalsesettinginacementmaycausedifficultyfromaplacingandhandlingstandpoint,butitisnotlikelytocausedifficultieswhereconcreteismixedforalongertimethanusual,asusuallyoccursintransitmixing,orwhereitisremixedpriortoplacingortransporting,inconcretepumpingoperations.Itismostlikelynoticedwhereconcreteismixedforashortperiodoftimeinstationarymixersandtransportedtotheformsinnon-agitatingequipment,asonsomepavingjobs,andwhenconcreteismadeinanon-sitebatchplant.Cementswithseverefalsesettingusuallyrequireslightlymoremixingwatertoproducethesameconsistency,whichmayresultinslightlylowerstrengthsandincreaseddryingshrinkage.Earlystiffeningresultingfromfalsesetisnotlikelytocauseacementtofailtheapplicabletimeofsettingrequirement.Earlystiffeningresultingfromflashset,dependingonseverity,cancauseacementtofailtheapplicabletimeofsettingrequirement.1.1Thistestmethodcoversthedeterminationofearlystiffeninginhydraulic-cementmortar.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesaremathematicalconversionstoinch-poundunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.(Warningx2014;Freshhydrauliccementitiousmixturesarecausticandmaycausechemicalburnstoskinandtissueuponprolongedexposure.Theuseofgloves,protectiveclothing,andeyeprotectionisrecommended.Washcontactareawithcopiousamountsofwateraftercontact.Washeyesforaminimumof15min.Avoidexposureofthebodytoclothingsaturatedwiththeliquidphaseoftheunhardenedmaterial.Removecontaminatedclothingimmediatelyafterexposure.)1.4Thetextofthisstandardreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthestandard.
【中国标准分类号】:Q11
【国际标准分类号】:91_100_10
【页数】:4P.;A4
【正文语种】:英语


基本信息
标准名称:种子除芒机试验鉴定方法
英文名称:Testing and qualification method for seed awner
中标分类: 农业、林业 >> 农、林机械与设备 >> 农、林机械与设备
发布部门:中国人民共和国农业部
发布日期:1999-05-06
实施日期:1999-07-01
首发日期:
作废日期:
提出单位:全国农业机械标准化技术委员会农业机械化分技术委员会全国农业机械标准化技术委员会农业机械化分技术委员会
归口单位:全国农业机械标准化技术委员会农业机械化分技术委员会
起草单位:湖南省农业机械鉴定站
起草人:吴文科、陈士新、邓实承
出版社:中国标准出版社
出版日期:1999-06-01
页数:17页
书号:155066.2-12747
适用范围

本标准规定了种子除芒机的技术参数、质量指标、试验方法和检验规则。
本标准适用于种子除芒机试验鉴定及产品质量监督检验。

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所属分类: 农业 林业 农 林机械与设备 农 林机械与设备