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【英文标准名称】:Geotechnicalinvestigationandtesting-Fieldtesting-Dynamicprobing
【原文标准名称】:土工研究和试验.现场试验.动态探测
【标准号】:BSENISO22476-2-2005
【标准状态】:作废
【国别】:英国
【发布日期】:2006-01-30
【实施或试行日期】:2006-01-30
【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】:土木工程;土壤组分;建筑;定义;描述;名称与符号;动力探针;土方工程;勘探;现埸试验;大地构造学;土工学;调查;机械试验;穿透深度;渗透性试验;针入度计;特性;现场勘测;土力学;土壤采样;土壤学;土壤普查;土壤;声测;结构工程;心土;试验设备;试验
【英文主题词】:Civilengineering;Compositionoftheground;Construction;Definitions;Descriptions;Designations;Dynamicsoundingrods;Earthworks;Exploration;Fieldinvestigations;Geotechnics;Groupofsoils;Investigations;Mechanicaltesting;Penetrationdepths;Penetrationtests;Penetrometers;Properties;Siteinvestigations;Soilmechanics;Soilsampling;Soilscience;Soilsurveys;Soils;Soundings;Structuralengineering;Subsoil;Testequipment;Testing
【摘要】:ThisdocumentspecifiesrequirementsforindirectinvestigationsofsoilbydynamicprobingaspartofgeotechnicalinvestigationandtestingaccordingtoEN1997-1andEN1997-2.Thisdocumentcoversthedeterminationoftheresistanceofsoilsandsoftrocksinsitutothedynamicpenetrationofacone.Ahammerofagivenmassandgivenheightoffallisusedtodrivethecone.Thepenetrationresistanceisdefinedasthenumberofblowsrequiredtodrivetheconeoveradefineddistance.Acontinuousrecordisprovidedwithrespecttodepthbutnosamplesarerecovered.Fourproceduresareincluded,coveringawiderangeofspecificworkperblow:?dynamicprobinglight(DPL):testrepresentingthelowerendofthemassrangeofdynamicequipment;?dynamicprobingmedium(DPM):testrepresentingthemediummassrangeofdynamicequipment;?dynamicprobingheavy(DPH):testrepresentingthemediumtoveryheavymassrangeofdynamicequipment;?dynamicprobingsuperheavy(DPSH):testrepresentingtheupperendofthemassrangeofdynamicequipment.Thetestresultsofthisdocumentarespeciallysuitedforthequalitativedeterminationofasoilprofiletogetherwithdirectinvestigations(e.g.samplingaccordingtoprENISO22475-1)orasarelativecomparisonofotherinsitutests.Theymayalsobeusedforthedeterminationofthestrengthanddeformationpropertiesofsoils,generallyofthecohesionlesstypebutalsopossiblyinfine-grainedsoils,throughappropriatecorrelations.Theresultscanalsobeusedtodeterminethedepthtoverydensegroundlayerse.g.todeterminethelengthofendbearingpiles,andtodetectveryloose,voided,back-filledorinfilledground.
【中国标准分类号】:W59
【国际标准分类号】:93_020
【页数】:40P.;A4
【正文语种】:英语