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【英文标准名称】:StandardTestMethodforDeterminingFilteringEfficiencyandFlowRateoftheFiltrationComponentofaSedimentRetentionDeviceUsingSite-SpecificSoil
【原文标准名称】:使用特定场地土壤测定拦沙设备过滤部件的筛选效率和流动率的标准试验方法
【标准号】:ASTMD5141-2009
【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】:filteringefficiency;flowrate;sedimentretentiondevice;siltbarrier;siltfence;Filtrationperformance;Flowandflowrate--soil/rock/relatedmaterials;Geosynthetics;Siltfencematerials;Soil
【摘要】:Thistestmethodisusedtodeterminethefilteringefficiencyandflowrateofthefiltrationcomponentofasedimentretentiondevice,suchasasiltfence,asiltbarrier,orasiltcurtain,forspecificsoilconditions.Thistestmethodmaybeusedforthedesignofthefiltrationcomponentofasedimentretentiondevicetomeetrequirementsofregulatoryagenciesinfilteringefficiencyorflowrateforspecificsoilconditions.Thedesignercanusethistestmethodtodeterminethespacingbetweensedimentretentiondevices.Thistestmethodisintendedforperformanceevaluation,astheresultswilldependonthespecificsoilevaluated.Itisrecommendedthattheuserorrepresentativeperformthetesttopre-approvedproducts,assedimentretentiondevicemanufacturersarenottypicallyequippedtohandleortestsoilrequirements.Thistestmethodprovidesameansofevaluatingthefiltrationcomponentofsedimentretentiondeviceswithdifferentsoilsundervariousconditionsthatsimulatetheconditionsthatexistinasedimentretentiondeviceinstallation.Thistestmethodmaybeusedtosimulateseveralstormeventsonthesamesedimentretentiondevicespecimen.Therefore,thenumberoftimesthistestisrepeatedperspecimenisdependentupontheuserandthesiteconditions.1.1Thistestmethodisusedtodeterminethefilteringefficiencyandtheflowrateofthefiltrationcomponentofasedimentretentiondevice,suchasasiltfence,siltbarrier,orinletprotector.1.1.1Theresultsareshownasapercentageforfilteringefficiencyandcubicmetrespersquaremetreperminute(m3/m2/min)orgallonspersquarefootperminute(gal/ft2/min)forflowrate.1.1.2Thefilteringefficiencyindicatesthepercentofsedimentremovedfromsediment-ladenwater.1.1.3Theflowrateistheaveragerateofpassageofthesediment-ladenwaterthroughthefiltrationcomponentofasedimentretentiondevice.1.2Thistestmethodrequiresseveralspecializedpiecesofequipment,suchasanintegratedwatersamplerandananalyticalbalance,andsitespecificsoilfromtheconstructionproject.1.3ThevaluesstatedinSIunitsarethestandard,whiletheinch-poundunitsareprovidedforinformation.Thevaluesexpressedineachsystemmaynotbeexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother,withoutcombiningvaluesinanyway.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W59
【国际标准分类号】:59_080_70
【页数】:5P.;A4
【正文语种】:英语