【英文标准名称】:StandardTestMethodforDensityofSoilandRockinPlacebytheWaterReplacementMethodinaTestPit
【原文标准名称】:用测试井中水置换法就地测定土壤和岩石密度的标准试验方法
【标准号】:ASTMD5030-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:D18.08
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:密度;试验;土壤分析
【英文主题词】:acceptancetest;degreeofcompaction;densitytests;fieldtest;In-placedensity;pittest;qualitycontrol;testpitdensity;unitweight;waterpit;waterreplacementmethod
【摘要】:Thistestmethodisusedtodeterminethein-placeunitweightofcompactedmaterialsinconstructionofearthembankments,roadfills,andstructurebackfill.Forconstructioncontrol,itcanbeusedasthebasisforacceptanceofmaterialcompactedtoaspecifiedunitweightortoapercentageofamaximumunitweightdeterminedbyastandardlaboratorytestmethodsuchasdeterminedfromTestMethodsD698orD1557,subjecttothelimitationsdiscussedin1.4.Thistestmethodcanbeusedtodeterminein-placeunitweightofnaturalsoildeposits,aggregates,soilmixtures,orothersimilarmaterial.1.1Thistestmethodcoversthedeterminationofthein-placedensityandunitweightofsoilandrockusingwatertofillalinedtestpittodeterminethevolumeofthetestpit.Theuseoftheword"rock"inthistestmethodisusedtoimplythatthematerialbeingtestedwilltypicallycontainparticleslargerthan3in.(75mm).1.2Thistestmethodisbestsuitedfortestpitswithavolumebetweenapproximately3and100ft3(0.08and2.83m3).Ingeneral,thematerialstestedwouldhavemaximumparticlesizesover5in.(125mm).Thistestmethodmaybeusedforlargersizedexcavationsifdesirable.1.2.1Thisprocedureisusuallyperformedusingcircularmetaltemplateswithinsidediametersof3ft(0.9m)ormore.Othershapesormaterialsmaybeusedprovidingtheymeettherequirementsofthistestmethodandtheguidelinesgiveninfortheminimumvolumeofthetestpit.1.2.2TestMethodD4914maybeusedasanalternativemethod.Itsuse,however,isusuallyonlypracticalforvolumedeterminationoftestpitsbetweenapproximately1and6ft3(0.03and0.17m3).1.2.3TestMethodD1556orTestMethodD2167isusuallyusedtodeterminethevolumeoftestholessmallerthan1ft3(0.03m3).1.3Thetwoproceduresaredescribedasfollows:1.3.1ProcedureAIn-PlaceDensityandUnitWeightofTotalMaterial(Section).1.3.2ProcedureBIn-PlaceDensityandUnitWeightofControlFraction(Section10).1.4SelectionofProcedure1.4.1ProcedureAisusedwhenthein-placeunitweightoftotalmaterialistobedetermined.ProcedureAcanalsobeusedtodeterminepercentcompactionorpercentrelativedensitywhenthemaximumparticlesizepresentinthein-placematerialbeingtesteddoesnotexceedthemaximumparticlesizeallowedinthelaboratorycompactiontest(TestMethodsD698,D1557,D4253,D4254,D4564).ForTestMethodsD698andD1557only,theunitweightdeterminedinthelaboratorycompactiontestmaybecorrectedforlargerparticlesizesinaccordancewith,andsubjecttothelimitationsof,PracticeD4718.1.4.2ProcedureBisusedwhenpercentcompactionorpercentrelativedensityistobedeterminedandthein-placematerialcontainsparticleslargerthanthemaximumparticlesizeallowedinthelaboratorycompactiontestorwhenPracticeD4718isnotapplicableforthelaboratorycompactiontest.Thenthematerialisconsideredtoconsistoftwofractions,orportions.Thematerialfromthein-placeunitweighttestisphysicallydividedintoacontrolfractionandanoversizefractionbasedonadesignatedsievesize.Theunitweightofthecontrolfractioniscalculatedandcomparedwiththeunitweight(s)establishedbythelaboratorycompactiontest(s).Becauseofpossiblelowerdensitiescreatedwhenthereisparticleinterference(seePracticeD4718),thepercentcompactionofthecontrolfractionshouldnotbeassumedtorepresentthepercentcompactionofthetotalmaterialinthefield.1.4.3Normally,thecontrolfractionistheminusNo.4sievesizematerialforcohesiveornonfree-drainingmaterialsandtheminus3-i......
【中国标准分类号】:P13
【国际标准分类号】:
【页数】:13P.;A4
【正文语种】:


【英文标准名称】:PipeJointsandElementsforHighDensityPolyethylene(HDPE)PressurePipelines,Types1and2;InjectionMouldedTeePiecesforSocket-welding,Dimensions
【原文标准名称】:1型和2型高密度聚乙烯压力管道用管子接头与零件.承插焊接用注塑三通管件.尺寸
【标准号】:DIN16963-9-1980
【标准状态】:现行
【国别】:德国
【发布日期】:1980-08
【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】:角;配件;压力管;螺纹;焊接;管联接器;公差;塑料;尺寸;喷射铸造法;三通管;聚乙烯
【英文主题词】:threads;polyethylene;dimensions;pipecouplings;pressurepipes;angles(geometry);injectionmoulding;fittings;tolerances(measurement);plastics;pipetees;welding
【摘要】:Pipejointsandtheirelementsforpipesofhighdensitypolyethylene(HDPE)underpressure;type1and2,teesinjectionmouldedforsocketwelding;dimensions
【中国标准分类号】:J15;G33
【国际标准分类号】:23_040_60
【页数】:3P;A4
【正文语种】:德语