ACI 336.3R-93 Design and Construction of Drilled Piers

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1、ACI336.3R-93(Reapproved1998)DesignandConstructionofDrilledPiersReportedbyACICommittee336HughS.LacyChairmanClydeN.Baker,Jr.JohnA.Focht,Jr.ShyamN.ShuklaStevenC.BallM.GaynorBruceA.SuprenantP.V.BanavalkarWilliamP.HackneyJagdishS.SyalJosephA.BohinskyFritzKramrischEdwardJ.UlrichJo

2、sephP.ColacoJimLewisSamuelS.WhiteM.T.DavissonJohnF.SeidenstickerJohnJ.ZilsCoversthedesignandconstructionoffoundationpiers30in.(760mm)Chapter2-Generalconsiderations,pg.336.3R-5indiameterorlargermadebyexcavatingaholeintheearthandthen2.1-Generalfillingitwithconcrete.Smallerdiam

3、eterpiershavebeenusedinnon-2.2-Factorstobeconsideredcollapsingsoils.Thetwo-stepdesignprocedureincludes:(1)determinationofoverallpiersize,and(2)detaileddesignofconcretepierelementitself2.3-PiertypesEmphasisisontheformerwhichinvolvesinteractionbetweensoilandpier.2.4-Geotechnic

4、alconsiderationsConstructionmethodsdescribedincludeexcavation,casingplacementofconcreteandreinforcingsteel,andinstallationbytheslurrydisplacementChapter3-Design,pg.336.3R-8method.Criteriaforacceptancearepresentedalongwithrecommended3.1-Loadsproceduresforinspectionandevaluati

5、on.3.2-LoadingconditionsKeywords:axialloads;bearingcapacity;bending;bendingmoments;3.3-Strengthdesignofpierscaps(supports);concreteconstruction;deflection;excavation;founda-3.4-Verticalloadcapacitytions;lateralpressure;linings;loads(forces);moments;observation;3.5-Laterallyl

6、oadedpierspiers;placing;qualitycontrol;reinforcedconcrete;slurrydisplacement3.6-Pierssocketedinrockmethod;soilmechanics;structuraldesign;tolerances(mechanics);tremieconcrete.3.7-PierconfigurationChapter4-Constructionmethods,pg.336.3R-194.1-ExcavationandcasingCONTENTS4.2-Plac

7、ingreinforcement4.3-Dewatering,concreting,andremovalofcasingChapterl-General,pg.336.3R-24.4-Slurrydisplacementmethodl.l-Scope4.5-Safety1.2-Notations1.3-LimitationsChapter5-Constructioninspectionandtesting,pg.1.4-Definitions336.3R-235.1-Scope5.2-Geotechnicalfieldrepresentativ

8、eACICommitteeReports,Guides,StandardPractices,and5.3-PreliminaryprocedureCo