ASTM C 955-1998 螺钉安装石膏板及金属灰泥基板用承载(横向及轴向)钢墙骨、导板、系杆或隔栅撑
时间:2024-05-13 10:45:59 来源: 标准资料网 作者：标准资料网 阅读：9097
【英文标准名称】:Load-Bearing(TransverseandAxial)SteelStuds,Runners(Tracks)andBracingorBridgingforScrewApplicationofGypsumBoardandMetalPlasterBases
【原文标准名称】:螺钉安装石膏板及金属灰泥基板用承载(横向及轴向)钢墙骨、导板、系杆或隔栅撑
【标准号】:ASTMC955-1998
【标准状态】:作废
【国别】:美国
【发布日期】:1998
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:建筑;施工材料;灰泥;金属;板;支撑件;钢轨;熟石膏;螺钉
【英文主题词】:plasters;constructionmaterials;construction;metals;rails;screws(bolts);plasterofparis;bracings;plates
【摘要】:
【中国标准分类号】:Q70
【国际标准分类号】:91_060_10
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforIndexPunctureResistanceofGeomembranesandRelatedProducts
【原文标准名称】:土工膜及其有关制品的抗击穿系数的标准试验方法
【标准号】:ASTMD4833-2007
【标准状态】:现行
【国别】:美国
【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】:D35.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:geomembranes;puncture;punctureresistance;Geomembranes;Geosynthetics;Indexpunctureresistance;Puncturetesting
【摘要】:Thistestmethodisanindextestfordeterminingthepunctureresistanceofgeomembranesandrelatedproducts.Theuseofthistestmethodistoestablishanindexvaluebyprovidingstandardcriteriaandabasisforuniformreporting.Thistestmethodisconsideredsatisfactoryforacceptancetestingofcommercialshipmentsofgeomembranesandrelatedmaterialssincethetestmethodhasbeenusedextensivelyinthetradeforacceptancetesting.Incaseofadisputearisingfromdifferencesinreportedtestresultswhenusingthistestmethodforacceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimensthatareashomogeneousaspossibleandthatarefromalotmaterialofthetypeinquestion.Thetestspecimensshouldthenberandomlyassignedinequalnumberstoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingStudent''st-testforunpaireddataandanacceptableprobabilitylevelchosenbythetwopartiesbeforethetestingisbegun.Ifabiasisfound,eitheritscausemustbefoundandcorrectedorthepurchaserandthesuppliermustagreetointerpretfuturetestresultsinthelightoftheknownbias.1.1Thistestmethodisusedtomeasuretheindexpunctureresistanceofgeomembranesandrelatedproducts.1.2TheuseofTestMethodD4833maybeinappropriatefortestingsomewovengeotextilesorrelatedproductswhichhavelargeopenings,suchasgeonetsandgeogrids.1.3ItisrecommendedthatgeotextileandgeotextilerelatedproductsbetestedusingTestMethodD6241.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesprovidedininch-poundunitsareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W59
【国际标准分类号】:59_080_70
【页数】:4P.;A4
【正文语种】:英语