ASTM D6524-2000(2006) 泥碳钢筋网弹力测量的标准试验方法

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【英文标准名称】:StandardTestMethodforMeasuringtheResiliencyofTurfReinforcementMats(TRMs)
【原文标准名称】:泥碳钢筋网弹力测量的标准试验方法
【标准号】:ASTMD6524-2000(2006)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:D35.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:厚度;复原;弹力;TRM;泥碳钢筋网
【英文主题词】:recovery;resiliency;thickness;turfreinforcementmat,TRM
【摘要】:ResiliencymaybeusedtocontrolthequalityofmanyTRMs.ResiliencymaybeindicativeofaTRMrsquo;abilitytoretainoriginalconfigurationafterexposuretothestresseswhichmaybeexertedduringmanufacture,shipping,andinstallation.Resiliencyisnotgenerallyindicativeoffieldperformance.TheresiliencyofTRMsmayvaryconsiderablydependingonthepressureappliedtothespecimenduringloadingcycles.Tominimizevariation,specificsamplesizeandappliedpressureareindicatedinthistestmethodtoensureallresultsarecomparable.TodeterminetheeffectofdifferentpressureloadingsonthefinalthicknessofTRMs,usethistestmethod.ThistestmethodmaybeusedforacceptancetestingofcommercialshipmentsofTRMs,butcautionisadvisedsinceinformationonbetween-laboratoryprecisionisincomplete.Comparativetests,inaccordancewith5.4.1maybeadvisable.5.4.1Inacaseofadisputearisingfromdifferencesinreportedtestresultswhenusingthistestmethodforacceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimensthatareashomogeneousaspossibleandthatareformedfromalotofmaterialofthetypeinquestion.Thetestspecimensshouldberandomlyassignedinequalnumberstoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingStudentrsquo;t-testforunpaireddateandanacceptableprobabilitylevelchosenbythetwobegun.Ifbiasisfound,eitheritscausemustcorrected,orthepurchaserandbefoundandinterpretfuturetestsinsuppliermustagreetothelightoftheknownbias.Note18212;Theusershouldbeawarethatthecompressibilityofthematerials,theirreboundcharacteristics,andthelikewillalsobeaffectedbythethicknessoftheTRMsfollowingthetimewhentheyarerolleduponrollsshippedandstored.1.1Thistestmethodcoverstheresiliencyorrecoveryofturfreinforcementmats(TRMs)aftertheyhavebeensubjectedtothreecyclesofloadingat689kPa(100psi)for1min/percycle.1.2ThistestmethoddoesnotprovideresiliencyvaluesforTRMsundervariablenormalcompressivestresses.Thistestmethoddeterminesnominalresiliency.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P57
【国际标准分类号】:65_020_20
【页数】:3P.;A4
【正文语种】:


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基本信息
标准名称:固井计量仪技术条件
中标分类: 石油 >> 石油勘探、开发、集输设备 >> 石油钻采设备与仪器
发布日期:
实施日期:1992-07-01
首发日期:
作废日期:
出版日期:
页数:3页
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所属分类: 石油 石油勘探 开发 集输设备 石油钻采设备与仪器
MIL-R-63997B (NOTICE 1), MILITARY SPECIFICATION: RIFLE, 5.56MM: M16A2 (20 FEB 1997) [S/S BY MIL-DTL-63997C]., This notice should be filed in front of MIL-R-63997B(AR) dated 12 December 1986MIL-R-63997B(AR) dated 12 December 1986 with Amendment 4, dated 31 July 1993 is inactivefor new design and no longer used except for replacement purposes.