【英文标准名称】:StandardGuideforPlacementofRiprapRevetments
【原文标准名称】:抛石护坡堆放的标准指南
【标准号】:ASTMD6825-2002(2008)e1
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【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】:D18.17
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:bedding;erosionprotection;geotextile;revetment;riprap;scourprotection;Bedding;Erosioncontrolmaterials/applications;Erosion-resistantrevetment;Geotextiles;Revetments;Riprap;Scourprotection;Soilbioengineering
【摘要】:Riprapisacommonlyusedformofscourprotectionandgeneralslopeprotection.Riprapprovidesalongtermsolutionwhenproperlysizedandinstalled.Ripraphasstructuralflexibilitysoitwillconformtoirregularsurfacesandadapttominorsubgradesettlement.Itisoftenappropriateforuseinconjunctionwithsoilbioengineering(vegetationestablishment)alternatives.Insomeenvironments,riprapmayprovidehabitatforbenthicorganismsandfish.Revetmentsprovideafacingorliningtoarmorasurface;andthelayerthicknessistypicallyminimizedwhileprovidingthenecessaryresistancetoscour.Inthiscase,standardizedpracticestoobtainconsistentcoveragehavingacceptablethicknesstolerancesandvoidsbecomeimportant.Thisguidemaybeusedbyowners,installationcontractors,regulatoryagencies,inspectionorganizations,anddesignersandspecifierswhoareinvolvedintheconstructionofripraprevetments.Modificationsmayberequiredforspecificjobconditions.Thisguideisnotintentdedforconstructionspecificationsonlargeprojects,butmaybereferencedwherepreparationofjobspecificconstructionspecificationsarenotjustified.Ifthispracticeisincludedbyreferenceincontractdocuments,thespecifiermustprovidealistofsupplementalrequirements.1.1Thisguidecoversmethodstoplaceriprapwithassociatedfiltersforerosioncontrolpurposes.Thisguidedoesnotrecommendaspecificcourseofactionbecauseofthediversemethodsandproceduresthatarecapableofproducingafunctionalproduct.Thisguideidentifiesfavorableriprapqualitiesandrecommendspracticesbestsuitedtoobtainthosequalities.Theproductionofrock,useofrecycledmaterials,rockwithcutdimensions,andengineeringanddesignisbeyondthescopeofthisguide.Specialformsofriprap,includinghandplacedriprap,groutedriprap,orkeyed(plated)riprapthatistampedintoplacetosmooththesurface,arealsobeyondthescopeofthisguide.1.2Thisguideoffersanorganizedcollectionofinformationoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthisguidemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject''smanyuniqueaspects.Thewordx201C;Standardx201D;inthetitleofthisdocumentmeansonlythatthedocumenthasbeendevelopedandapprovedthroughtheASTMconsensusprocess1.3Thisstandardmayinvolvehazardousoperationsandequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatoryrequirementspriortouse.^REFERENCE:ASTMStandards:C33SpecificationforConcreteAggregatesC136TestMethodforSieveAnalysisofFineandCoarseAggregatesD75PracticeforSamplingAggregatesD653TerminologyRelatingtoSoil,Rock,andContainedFluids