【英文标准名称】:StandardGuideforUsingtheElectronicConePenetrometerforEnvironmentalSiteCharacterization
【原文标准名称】:环境厂址表征用电子锥形透度计的标准使用指南
【标准号】:ASTMD6067-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D18.21
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:conepenetrometer;conepenetrometertest;directpush;explorations;groundwater;penetrationtests;piezocone;soilinvestigations;soundings;watersampling;wellpoint;Bearingzones;Conepenetrometertest;Electronicconepenetrometer;Env
【摘要】:Environmentalsitecharacterizationprojectsalmostalwaysrequireinformationregardingsubsurfacesoilstratigraphyandhydraulicparametersrelatedtogroundwaterflowrateanddirection.Soilstratigraphyoftenisdeterminedbyvariousdrillingproceduresandinterpretingthedatacollectedonboreholelogs.Theelectronicpiezoconepenetrometertestisanothermeansofdeterminingsoilstratigraphythatmaybefaster,lessexpensive,andprovidegreaterresolutionofthesoilunitsthanconventionaldrillingandsamplingmethods.Forenvironmentalsitecharacterizationapplications,theelectronicpiezoconealsohastheadditionaladvantageofnotgeneratingcontaminatedcuttingsthatmaypresentotherdisposalproblems(2,3,4,5,6,7,8,15).Investigatorsmayobtainsoilsamplesfromadjacentboringsforcorrelationpurposes,butpriorinformationorexperienceinthesameareamayprecludetheneedforborings(1).Mostconepenetrometerrigsareequippedwithdirectpushsoilsamplers(GuideD6282)thatcanbeusedtoconfirmsoiltypes.Theelectronicpiezoconepenetrationtestisaninsituinvestigationmethodinvolving:Pushinganelectronicallyinstrumentedprobeintotheground(seeFig.1foradiagramofatypicalconepenetrometer).Thepositionoftheporepressureelementmayvarybutistypicallylocatedintheu2position(TestMethodD5778).Recordingforceresistances,suchastipresistance,localfriction,andporewaterpressure.Datainterpretation.Themostcommonuseoftheinterpreteddataisstratigraphybasedonsoilbehaviortypes.Severalchartsareavailable.AtypicalCPTsoilbehaviortypeclassificationchartisshowninFigs.2and3(9).Thefirststepindeterminingtheextentandmotionofcontaminantsistodeterminethesubsurfacestratigraphy.Sincethecontaminantswillmigratewithgroundwaterflowingthroughthemorepermeablestrata,itisimpossibletocharacterizeanenvironmentalsitewithoutvalidstratigraphy.Conepenetrometerdatahasbeenusedasastratigraphictoolformanyyears.Theporepressurechanneloftheconecanbeusedtodeterminethedepthtothewatertableortolocateperchedwaterzones.Hydraulicconductivitycanbeestimatedbasedonsoilbehaviortype(Figs.4and5).Theseestimatesspantwotothreeordersofmagnitude.Alternately,porepressuredata(4.5)canbeusedforrefinedestimatesofhydraulicconductivity.Whenattemptingtoretrieveasoilgasorwatersample,itisadvantageoustoknowwherethebearingzones(permeablezones)arelocated.Althoughsoilgasandwatercanberetrievedfromon-bearingzonessuchasclays,thelengthoftimerequiredusuallymakesitimpractical.Soilgasandwatersamplescanberetrievedmuchfasterfrompermeablezones,suchassands.Theconepenetrometertipandfrictiondatagenerallycanidentifyandlocatethebearingzonesandnonbearingzoneslessthanafootthickveryaccurately.Theelectronicconepenetrometertestisusedinavarietyofsoiltypes.Lightweightequipmentwithreactionweightsoflessthan10tonsgenerallyarelimitedtosoilswithrelativelysmallgrainsizes.Typicaldepthsobtainedare20to40m,butdepthstoover70mwithheavierequipmentweighing20tonsormorearenotuncommon.Sincepenetrationisadirectresultofverticalforcesanddoesnotincluderotationordrilling,itcannotbeutilizedinrockorheavilycementedsoils.Depthcapabilitiesareafunctionofmanyfactorsincluding:1.1Theelectronicconepenetrometertestoftenisusedtodeterminesubsurfacestratigr......
【中国标准分类号】:N04
【国际标准分类号】:13_080_20
【页数】:11P.;A4
【正文语种】:英语


【英文标准名称】:Aerospaceseries-Cables,electrical,aircraftuse-Testmethods-Capacitancevariation
【原文标准名称】:航空航天系列.航空器用电缆.试验方法.电容量的变化
【标准号】:BSEN3475-803-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-06-25
【实施或试行日期】:2002-06-25
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:航空航天运输;航空运输;航空器;电缆;容量;覆层;电缆线;导电体;电的;电线;多语种的;单线;航天运输;规范(验收);试验;变化
【英文主题词】:Aerospacetransport;Airtransport;Aircraft;Cables;Capacity;Coatings;Electriccables;Electricconductors;Electrical;Electricalcords;Multilingual;Singlewires;Spacetransport;Specification(approval);Testing;Variations
【摘要】:TobereadinconjunctionwithBSEN3475-100:2002
【中国标准分类号】:K13
【国际标准分类号】:49_060
【页数】:6P.;A4
【正文语种】:英语