ASTM D4823-1995(2003)e1 浸没的非固结沉积物芯样的取样标准指南
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【英文标准名称】:StandardGuideforCoreSamplingSubmerged,UnconsolidatedSediments
【原文标准名称】:浸没的非固结沉积物芯样的取样标准指南
【标准号】:ASTMD4823-1995(2003)e1
【标准状态】:现行
【国别】:
【发布日期】:1995
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D19.07
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:沉积物;土壤采样;导则;抽样方法
【英文主题词】:coredistortion;coresamplers;freezecoresamplers;grabsamplers;pistonsamplers;samplingerrors;sedimentsampling;surfacesamplers;vibratorysamplers
【摘要】:1.1Thisguidecoverscore-samplingterminology,advantagesanddisadvantagesofdifferenttypesofcoresamplers,core-distortionsthatmayoccurduringsampling,techniquesfordetectingandminimizingcoredistortions,andmethodsfordissectingandpreservingsedimentcores.1.2Inthisguide,samplingproceduresandequipmentaredividedintothefollowingcategoriesbasedonwaterdepth:samplingindepthsshallowerthan0.5m,samplingindepthsbetween0.5mand10m,andsamplingindepthsexceeding10m.Eachcategoryisdividedintotwosections:equipmentforcollectingshortcoresandequipmentforcollectinglongcores.1.3Thisguideemphasizesgeneralprinciples.Onlyinafewinstancesarestep-by-stepinstructionsgiven.Becausecoresamplingisafield-basedoperation,methodsandequipmentmustusuallybemodifiedtosuitlocalconditions.Thismodificationprocessrequirestwoessentialingredients:operatorskillandjudgment.Neithercanbereplacedbywrittenrules.1.4Drawingsofsamplersareincludedtoshowsizesandproportions.Thesesamplersareofferedprimarilyasexamples(orgenericrepresentations)ofequipmentthatcanbepurchasedcommerciallyorbuiltfromplansintechnicaljournals.1.5Thisguideisabriefsummaryofpublishedscientificarticlesandengineeringreports.Thesereferencesarelistedinthisguide.Thesedocumentsprovideoperationaldetailsthatarenotgiveninthisguidebutareneverthelessessentialtothesuccessfulplanningandcompletionofcoresamplingprojects.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeNotes1and2.
【中国标准分类号】:Z12
【国际标准分类号】:
【页数】:14P.;A4
【正文语种】:
【原文标准名称】:浸没的非固结沉积物芯样的取样标准指南
【标准号】:ASTMD4823-1995(2003)e1
【标准状态】:现行
【国别】:
【发布日期】:1995
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D19.07
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:沉积物;土壤采样;导则;抽样方法
【英文主题词】:coredistortion;coresamplers;freezecoresamplers;grabsamplers;pistonsamplers;samplingerrors;sedimentsampling;surfacesamplers;vibratorysamplers
【摘要】:1.1Thisguidecoverscore-samplingterminology,advantagesanddisadvantagesofdifferenttypesofcoresamplers,core-distortionsthatmayoccurduringsampling,techniquesfordetectingandminimizingcoredistortions,andmethodsfordissectingandpreservingsedimentcores.1.2Inthisguide,samplingproceduresandequipmentaredividedintothefollowingcategoriesbasedonwaterdepth:samplingindepthsshallowerthan0.5m,samplingindepthsbetween0.5mand10m,andsamplingindepthsexceeding10m.Eachcategoryisdividedintotwosections:equipmentforcollectingshortcoresandequipmentforcollectinglongcores.1.3Thisguideemphasizesgeneralprinciples.Onlyinafewinstancesarestep-by-stepinstructionsgiven.Becausecoresamplingisafield-basedoperation,methodsandequipmentmustusuallybemodifiedtosuitlocalconditions.Thismodificationprocessrequirestwoessentialingredients:operatorskillandjudgment.Neithercanbereplacedbywrittenrules.1.4Drawingsofsamplersareincludedtoshowsizesandproportions.Thesesamplersareofferedprimarilyasexamples(orgenericrepresentations)ofequipmentthatcanbepurchasedcommerciallyorbuiltfromplansintechnicaljournals.1.5Thisguideisabriefsummaryofpublishedscientificarticlesandengineeringreports.Thesereferencesarelistedinthisguide.Thesedocumentsprovideoperationaldetailsthatarenotgiveninthisguidebutareneverthelessessentialtothesuccessfulplanningandcompletionofcoresamplingprojects.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeNotes1and2.
【中国标准分类号】:Z12
【国际标准分类号】:
【页数】:14P.;A4
【正文语种】:
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