Designation:D8169/D8169M−18StandardTestMethodsforDeepFoundationsUnderBi-DirectionalStaticAxialCompressiveLoad1ThisstandardisissuedunderthefixeddesignationD8169/D8169M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thetestmethodsdescribedinthisstandardmeasuretheaxialdisplacementofasingle,deepfoundationelementwhenloadedinbi-directionalstaticaxialcompressionusinganembeddedbi-directionaljackassembly.Thesemethodsapplytoalldeepfoundations,referredtohereinas“piles,”whichfunctioninamannersimilartodrivenpiles,castinplacepiles,orbarrettes,regardlessoftheirmethodofinstallation.Thetestresultsmaynotrepresentthelong-termperformanceofadeepfoundation.1.2Thisstandardprovidesminimumrequirementsfortest-ingdeepfoundationsunderbi-directionalstaticaxialcompres-siveload.Plans,specifications,and/orprovisionspreparedbyaqualifiedengineermayprovideadditionalrequirementsandproceduresasneededtosatisfytheobjectivesofaparticulartestprogram.Theengineerinchargeofthefoundationdesign,referredtohereinastheengineer,shallapproveanydeviations,deletions,oradditionstotherequirementsofthisstandard.1.3Thisstandardprovidesthefollowingtestprocedures:ProcedureAQuickTest9.2.1ProcedureBExtendedTest(optional)9.2.21.4Apparatusandprocedureshereindesignated“optional”mayproducedifferenttestresultsandmaybeusedonlywhenapprovedbytheengineer.Theword“shall”indicatesamandatoryprovision,andtheword“should”indicatesarecommendedoradvisoryprovision.Imperativesentencesindicatemandatoryprovisions.1.5Theengineermayusetheresultsobtainedfromthetestproceduresinthisstandardtopredicttheactualperformanceandadequacyofpilesusedintheconstructedfoundation.SeeAppendixX1forcommentsregardingsomeofthefactorsinfluencingtheinterpretationoftestresults.1.6Aqualifiedengineer(specialtyengineer,nottobeconfusedwiththefoundati...
