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ASTM C688-2008 水凝水泥用有效添加剂的标准规范

作者:标准资料网 时间:2024-05-08 09:38:36  浏览:8426   来源:标准资料网
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【英文标准名称】:StandardSpecificationforFunctionalAdditionsforUseinHydraulicCements
【原文标准名称】:水凝水泥用有效添加剂的标准规范
【标准号】:ASTMC688-2008
【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】:C01.20
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:additions;functional;hydrauliccement;Additives--cement/concrete;Cementmaterials/applications--specifications;Hydrauliccementconcrete--specifications
【摘要】:1.1Thisspecificationcoversmethodstoinvestigatetheeffectivenessofamaterialtobeneficiallychangethepropertiesofhydrauliccementswhenthematerialisincorporatedduringmanufactureofthecement.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Theeffectofadditionsincementmaymarkedlychangepropertiesotherthanthosetheyareintendedtomodify.Thisspecificationisdesignedtotestforsuchchanges.Table1setsforthvaluesforthosepropertiesofcementpastesandmortarsthatwouldpermitajudgmentofthechangeseffectedbyanaddition.Likewise,Table2setsforthsimilarcriteriaforconcrete.Certainadditionsmaybefoundeffectiveformorethanonepurposeasindicatedin3.1.4and3.1.5.TABLE1CriteriaforEvaluatingNeatCementandMortarContainingFunctionalCementAdditionsTestsTypeofAdditionWaterReducingRetardingAcceleratingWater-ReducingandRetardingWater-ReducingandAcceleratingSet-ControlNormalconsistency,deviationfromcontrol,percentagepointsA
x2212;1.0min
+1.0max
+1.0max
x2212;1.0min
x2212;1.0mm
x00B1;1.0max
Standardconsistency(flow)deviationfromcontrol,percentagepointsA
x2212;4.0min
+2.0max
+2.0max
x2212;4.0min
x2212;4.0min
x00B1;2.0max
Settingtime,(Gillmore)deviationfromcontrol,h:min






Initial






Atleast
...
1:00laterB

1:00laterB

...
Notmorethan
1:00earlier
3:30later
1:30earlier
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【英文标准名称】:Householdandsimilarelectricalappliances-Safety-Part2-43:Particularrequirementsforclothesdryersandtowelrails(IEC60335-2-43:2002+A1:2005);GermanversionEN60335-2-43:2003+A1:2006
【原文标准名称】:家用和类似用途电器.安全.第2-43部分:干衣机和毛巾架的特殊要求
【标准号】:DINEN60335-2-43-2006
【标准状态】:作废
【国别】:德国
【发布日期】:2006-08
【实施或试行日期】:2006-08-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:晒衣架;衣服;定义;家用的;干燥机(加热设备);电气器具;家用电器;电气工程;电气安全;加热;家用设备;家用;作标记;机械安全;抗湿;防电击;安全;安全工程;安全要求;规范(验收);稳定性;毛巾架
【英文主题词】:Bodies;Clearances;Clothesdryers;Clothing;Connections;Definition;Definitions;Design;Dielectricstrength;Domestic;Driers(heatingequipment);Durability;Earthingconductorterminations;Electricappliances;Electrichouseholdappliance;Electricterminals;Electricalengineering;Electricalhouseholdappliances;Electricalsafety;Fireresistance;Heating;Householdequipment;Householduse;Inscription;Joints;Junctions;Leakagecurrent;Leakagepaths;Marking;Mechanicalsafety;Moistureresistance;Multilingual;Operatinginstructions;Overloadprotection;Overvoltage;Permanency;Protectionagainstelectricshocks;Radiation;Rustprotection;Safety;Safetyengineering;Safetyrequirements;Screws(bolts);Specification(approval);Stability;Testing;Thermalstability;Towelrails;Toxicity;Transient
【摘要】:
【中国标准分类号】:Y63
【国际标准分类号】:97_060
【页数】:8P;A4
【正文语种】:德语


【英文标准名称】:Soilimproversandgrowingmedia-Determinationofplantresponse-Part1:PotgrowthtestwithChinesecabbage;GermanversionEN16086-1:2011
【原文标准名称】:土壤改良剂和生长基质.植物反应的测定.第1部分:大白菜盆栽试验.德文版EN16086-1-2011
【标准号】:EN16086-1-2011
【标准状态】:现行
【国别】:
【发布日期】:2012-01
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Agriculture;Compatibility;Cultivationofplants;Definitions;Determination;Fertilizers;Flowerpots;Growingmedia;Growth;Measurement;Measuringtechniques;Nutrientsolutions;Plants;Soilimprovement;Soilimprovingmaterials
【摘要】:
【中国标准分类号】:G21
【国际标准分类号】:65_080
【页数】:27P;A4
【正文语种】:英语



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