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【英文标准名称】:StandardTestMethodforTestingVerticalStripDrainsintheCrimpedCondition
【原文标准名称】:测试压接条件下垂直带材排水管的标准试验方法
【标准号】:ASTMD6918-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D35.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:constanthead;crimped;flowvelocity;percentchange;uncrimped;verticalstripdrainconfinedcrimptest;Constantheadtesting;Crimpedflowtesting;Drainagematerials/systems;Flowandflowrate--water;Performance--drainagematerials/applications;S
【摘要】:Thistestmethodisconsideredsatisfactoryfortheacceptanceofcommercialshipmentsofverticalstripdrains.Incaseofdisputearisingfromdifferencesinreportedtestresultswhenusingthistestmethodforacceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifthereisanystatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimensthatashomogenousaspossible,andthatarefromalotofmaterialofthetypeinquestion.Thetestspecimensshouldberandomlyassignedinnumberstoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingStudent''st-testforunpaireddataandanacceptableprobabilitylevelchosenbythetwopartiesbeforethestartoftesting.Ifabiasisfound,eitheritscausemustbefoundandcorrected,orthepurchaserandthesuppliermustagreetointerpretfuturetestresultsinlightoftheknownbias.Verticalstripdrainsareinstalledinareaswhereitisdesiredtoincreasetherateofsoilconsolidation.Ithasbeenshownthatasthesoilaroundtheverticalstripdrainconsolidates,acrimpmayformintheverticalstripdrainduetothemovementofthedrainintheareaofsoilconsolidation.Thistestmethodcanbeusedtoevaluateifthereisanyreductioninflowrateofwaterthroughthedrainduetothecrimping,andwhateffect,ifany,thiscrimpingmayhaveontherateofconsolidationofthesoil.1.1Thistestmethodisaperformancetestthatmeasurestheeffectcrimpinghasontheabilityofverticalstripdrainstotransmitwaterparalleltotheplaneofthedrain.1.2Thistestmethodisapplicabletoallverticalstripdrains.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q81
【国际标准分类号】:91_060_20
【页数】:6P.;A4
【正文语种】:英语


【英文标准名称】:MachineTools;MillingMachineswithVerticalSpindleandaTableofVariableHeight;AcceptanceConditions
【原文标准名称】:机床.立轴升降台铣床.验收条件
【标准号】:DIN8615-2-1979
【标准状态】:作废
【国别】:德国
【发布日期】:1979-11
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:铣床;尺寸;安装底板;公差;验收规范;平整度;机床;试验设备;定义
【英文主题词】:dimensions;height-adjustable;testing;precision;tolerances(measurement);machinetools;millingmachines;testequipment;testingconditions;definitions;flatness(surface);mountingplates;acceptancespeci
【摘要】:
【中国标准分类号】:J54
【国际标准分类号】:25_080_20
【页数】:8P;A4
【正文语种】:德语