ISO 17312-2005 土质.用刚性壁渗透计测定饱和疏松材料的水渗透性

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【英文标准名称】:Soilquality-Determinationofhydraulicconductivityofsaturatedporousmaterialsusingarigid-wallpermeameter
【原文标准名称】:土质.用刚性壁渗透计测定饱和疏松材料的水渗透性
【标准号】:ISO17312-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-03
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC190
【标准类型】:()
【标准水平】:()
【中文主题词】:水渗透性;渗透计;数学计算;疏松材料;水分保持值;含水量;土壤组分;土壤;土壤普查;土壤采样;容器;定义;测量;保持指数;试验
【英文主题词】:Compositionoftheground;Definitions;Mathematicalcalculations;Measurement;Permeameters;Porousmaterials;Reductionefficiencies;Retentionindex;Soilsampling;Soilsurveys;Soils;Testing;Waterconductivity;Watercontent;Waterretentionvalue
【摘要】:ThisInternationalStandardspecifiesthedeterminationofthehydraulicconductivityofgranularsoils(e.g.sandandgravel)usingaconstant-headmethodinvolvingarigid-wallpermeametertomeasurethelaminarflowofwater.Theprocedureestablishesrepresentativevaluesofthehydraulicconductivityofgranularsoilsthatcanoccurinnaturaldepositsasplacedinembankments,orwhenusedasbasecoursesunderpavements.Inordertolimitconsolidationinfluencesduringtesting,thisprocedureisapplicableonlytodisturbedgranularsoilscontainingnotmorethan10%soilpassinga75-μmsieve.Thisprocedureisapplicabletothemeasurementofhydraulicconductivityofcompactedsamplesofsandsandgravelscontaininglittleornosilt,whereflowalongtherigidwallofthepermeameterhasnopracticalimplicationsonthetestresults.ThisInternationalStandardisnotapplicabletosiltandclay,whereseepage/flowattheboundariesisnotacceptable.
【中国标准分类号】:Z18
【国际标准分类号】:13_080_40
【页数】:11P.;A4
【正文语种】:英语