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【英文标准名称】:StandardGuidetoSiteCharacterizationforEngineering,Design,andConstructionPurposes
【原文标准名称】:工程、设计和施工用工地表征的标准指南
【标准号】:ASTMD420-1998(2003)
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:D18.01
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:天然石料;调查;调查;取样方法;建造;土壤;石料;建材;块(建筑物)
【英文主题词】:explorations;feasibilitystudies;fieldinvestigations;foundationinvestigations;geologicalinvestigations;geophysicalinvestigation;groundwater;hydrologicinvestigations;maps;preliminaryinvestigations;reconnaissancesurveys;sampling;sitei
【摘要】:Anadequatesoil,rock,andgroundwaterinvestigationwillprovidepertinentinformationfordecisionmakingononeormoreofthefollowingsubjects:3.1.1Optimumlocationofthestructure,bothverticallyandhorizontally,withintheareaoftheproposedconstruction.3.1.2Locationandpreliminaryevaluationofsuitableborrowandotherlocalsourcesofconstructionaggregates.3.1.3Needforspecialexcavatinganddewateringtechniqueswiththecorrespondingneedforinformation,evenifonlyapproximate,onthedistributionofsoilwatercontentorporepressure,orboth,andonthepiezometricheadsandapparentpermeability(hydraulicconductivity)ofthevarioussubsurfacestrata.3.1.4Investigationofslopestabilityinnaturalslopes,cuts,andembankments.3.1.5Conceptualselectionofembankmenttypesandhydraulicbarrierrequirements.3.1.6Conceptualselectionofalternatefoundationtypesandelevationsofthecorrespondingsuitablebearingstrata.3.1.7Developmentofadditionaldetailedsubsurfaceinvestigationsforspecificstructuresorfacilities.Theinvestigationmayrequirethecollectionofsufficientlylargesoilandrocksamplesofsuchqualityastoallowadequatetestingtodeterminethesoilorrockclassificationormineralogictype,orboth,andtheengineeringpropertiespertinenttotheproposeddesign.Thisguideisnotmeanttobeaninflexibledescriptionofinvestigationrequirements;methodsdefinedbyotherASTMstandardsornon-ASTMtechniquesmaybeappropriateinsomecircumstances.Theintentistoprovideachecklisttoassistinthedesignofanexploration/investigationplan.1.1ThisguidereferstoASTMmethodsbywhichsoil,rock,andgroundwaterconditionsmaybedetermined.Theobjectiveoftheinvestigationshouldbetoidentifyandlocate,bothhorizontallyandvertically,significantsoilandrocktypesandgroundwaterconditionspresentwithinagivensiteareaandtoestablishthecharacteristicsofthesubsurfacematerialsbysamplingorinsitutesting,orboth.1.2Laboratorytestingofsoil,rock,andgroundwatersamplesisspecifiedbyotherASTMstandardsnotlistedherein.SubsurfaceexplorationforenvironmentalpurposeswillbethesubjectofaseparateASTMdocument.1.3Priortocommencementofanyintrusiveexplorationthesiteshouldbecheckedforundergroundutilities.Shouldevidenceofpotentiallyhazardousorotherwisecontaminatedmaterialsorconditionsbeencounteredinthecourseoftheinvestigation,workshouldbeinterrupteduntilthecircumstanceshavebeenevaluatedandrevisedinstructionsissuedbeforeresumption.1.4Thevaluesstatedin(SI)inch-poundunitsaretoberegardedasthestandard.1.5Thisguideoffersanorganizedcollectionofinformationoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthisguidemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject''smanyuniqueaspects.Theword"Standard"inthetitleofthisdocumentmeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.1.6Thisguidedoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P13
【国际标准分类号】:93_020
【页数】:7P.;A4
【正文语种】: