ISO 1920-3-2004 混凝土试验.第3部分:试验样品的制备和养护
时间:2024-05-21 09:49:10 来源: 标准资料网 作者：标准资料网 阅读：9502
【英文标准名称】:Testingofconcrete-Part3:Makingandcuringtestspecimens
【原文标准名称】:混凝土试验.第3部分:试验样品的制备和养护
【标准号】:ISO1920-3-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-10
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC71
【标准类型】:()
【标准水平】:()
【中文主题词】:施工材料;试验;建筑;抽样方法;稳定性(机械性能);混凝土;定义;混凝土结构;试样;养护;新浇混凝土
【英文主题词】:Concretestructures;Concretes;Consistency(mechanicalproperty);Construction;Constructionmaterials;Curing(concrete);Definitions;Freshconcrete;Samplingmethods;Testspecimens;Testing
【摘要】:ThispartofISO1920specifiestheshapeanddimensionsofconcretetestspecimensforstrengthtestsandthemethodsofmakingandcuringthesetestspecimens.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:20P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforMeasuringSurfaceWaterAbsorptionofOverlaidWood-BasedPanels
【原文标准名称】:测量木质人造板的表面吸水率的标准试验方法
【标准号】:ASTMD7433-2008
【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】:D07.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:wood-basedpanels;waterabsorption;overlays;CobbRing
【摘要】:Waterabsorptivenessthroughthesurfaceofanoverlaidpanelisafunctionofvariouscharacteristicsoftheoverlayandsubstrate,includingoverlayresincontent,thicknessoftheoverlay,porosity,andpermeability.Thistestmethodisusefulincomparingthewaterabsorptioncharacteristicsofdifferentoverlaidpanelproducts.Theresultsfromthistestmethodareinfluencedbyboththeperformanceoftheoverlaysystemandthepanelsubstrate.Therefore,theresultsareappropriateforcomparisonoftherelativeperformanceofanoverlaysystemwhentestedoversimilarormatchedpanelsubstrates.Note18212;Panelattributesthatmayinfluencewaterabsorptioninclude,butarenotlimitedto,paneltype,woodspecies,faceveneerthicknessandgrade,preoverlaysurfacetreatmentsuchassanding,particlegeometryandcompactionratio.1.1Thistestmethodcoversthedeterminationofthequantityofwaterabsorbedinaspecifiedtimethroughthesurfaceofanoverlaidwood-basedpanel.Thetestmethodmeasurestherateofwaterweightgainwithinacontrolledsurfaceareaoftheoverlaidpanelsurfacewhenexposedtostandingwater.ThemethodwasadaptedfromtheprinciplesofTestMethodD5795.1.2Thistestmethodisapplicabletovariousoverlaidwood-basedpanelsincluding,butnotlimitedto,plywood(suchasMDOandHDOreferencedinPS1x2013;07),orientedstrandboard,mediumdensityfiberboard,particleboard,andhardboard.1.3Thistestmethoddoesnotaddresssamplingprocedures,numberofreplicationsnorperformancecriteriasincethosedetailsvarydependinguponthepurposeofthetestingandthetypeofproduct.Themethodisspecifictothepanelsurfaceanddoesnotevaluatewaterabsorptionoredgeswellthatmayoccuralongpaneledges.Themethoddoesnotconsiderthevariablesrelatedtoin-servicemoistureconditionsandthereforedoesnotclaimtodirectlyrelatetowaterabsorptionthatmayoccurinactualpanelusesituations.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:B70
【国际标准分类号】:79_060_01
【页数】:3P.;A4
【正文语种】:英语
MIL-STD-373, MILITARY STANDARD: TRANSVERSE TENSILE PROPERTIES OF UNDIRECTIONAL FIBER/RESIN COMPOSITE CYLINDERS (27 OCT 1992) [S/S BY ASTM-D5450 & D5450M]., This test method covers the determination of the transverse tensile properties of hoop wound resin matrix composites reinforced by high-modulus (greater than 21 GPa or 3 Msi), continuous fibers.