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ASTM D5994-2010 糙面土工膜的芯厚度测量的标准试验方法

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【英文标准名称】:StandardTestMethodforMeasuringCoreThicknessofTexturedGeomembrane
【原文标准名称】:糙面土工膜的芯厚度测量的标准试验方法
【标准号】:ASTMD5994-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D35.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:geomembrane;geosynthetics;texturedgeomembrane;thickness;Thickness--geosynthetics;Corethickness;Geomembranes;Texturedgeomembranes
【摘要】:Thicknessisoneofthebasicindexpropertiesusedtocontrolandtrackthequalityofmanygeomembranes.Additionally,manymechanicalproperties(forexample,tensileyieldstrength,puncturestrength,etc.)canberelatedtocorethickness.Corethicknessvaluesmayalsoberequiredincalculationofsomeparameterssuchasdiffusioncoefficientsortensilestresses.Themeasuredcorethicknessofgeomembranesmayvaryconsiderablydependingonthepressureappliedtothespecimenduringmeasurement.Toreducevariationinmeasurementsandthechanceofunrealisticallylowvaluesduetoexcessivelyhighpressures,aspecificgaugepointgeometryandappliedforceareprescribedinthistestmethod.Thetestmethodisapplicabletoallcommonlyavailabletexturedgeomembranesthataredeployedasmanufacturedgeomembranesheets.1.1Thistestmethodcoversaproceduretomeasurethecorethicknessoftexturedgeomembranes.1.2Thistestmethoddoesnotprovidethicknessvaluesforgeomembranesundervariablenormalstresses.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Theinch-poundvaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G32
【国际标准分类号】:59_080_70
【页数】:4P.;A4
【正文语种】:英语


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Product Code:SAE J1944
Title:Truck and Bus Multipurpose Vehicle Windshield Washer System
Issuing Committee:Truck And Bus Windshield Wipers And Climate Control Comm
Scope:This SAE Recommended Practice provides the following for the windshield washer system for trucks, buses, and multipurpose vehicles with GVW of 4500 kg (10 000 lb) or greater:a. Minimum performance requirementb. Uniform test procedures. The test procedures are limited to those tests that can be conducted with uniform test equipment by commercially available laboratory facilities.c. Uniform terminology of windshield washer system characteristics and phenomena.