【英文标准名称】:StandardTestMethodsforLaboratoryCompactionCharacteristicsofSoilUsingModifiedEffort(56,000ft-lbf/ft3(2,700kN-m/m3))
【原文标准名称】:用修正作用力(56000ft-1bf/ft(2700KN-m/m))测量土壤实验室压实特性的标准试验方法
【标准号】:ASTMD1557-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D18.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:砌块(建筑);建筑;施工材料;密度;潮气;土壤;测试
【英文主题词】:compactioncharacteristics;density;impactcompactionusingmodifiedeffort;laboratorytests;modifiedproctortest;moisture-densitycurves;soilcompaction
【摘要】:1.1Thesetestmethodscoverlaboratorycompactionmethodsusedtodeterminetherelationshipbetweenmoldingwatercontentanddryunitweightofsoils(compactioncurve)compactedina4-or6-in.(101.6-or152.4-mm)diametermoldwitha10.00-lbf.(44.48-N)rammerdroppedfromaheightof18.00in.(457.2mm)producingacompactiveeffortof56000ft-lbf/ft3(2700kN-m/m3).Note1TheequipmentandproceduresarethesameasproposedbytheU.S.CorpsofEngineersin1945.Themodifiedefforttest(see)issometimesreferredtoastheModifiedProctorCompactionTest.1.1.1Soilsandsoil-aggregatemixturesaretoberegardedasnaturaloccurringfine-orcoarse-grainedsoils,orcompositesormixturesofnaturalsoils,ormixturesofnaturalandprocessedsoilsoraggregatessuchasgravelorcrushedrock.Hereafterreferredtoaseithersoilormaterial.1.2Thesetestmethodsapplyonlytosoils(materials)thathave30%orlessbymassoftheirparticlesretainedonthe3/4-in.(19.0-mm)sieveandhavenotbeenpreviouslycompactedinthelaboratory;thatis,donotreusecompactedsoil.1.2.1Forrelationshipsbetweenunitweightsandmoldingwatercontentsofsoilswith30%orlessbyweightofmaterialretainedonthe3/4-in.(19.0-mm)sieveto
【中国标准分类号】:P13
【国际标准分类号】:93_020
【页数】:13P.;A4
【正文语种】: