Designation:D3689/D3689M−07(Reapproved2013)´1StandardTestMethodsforDeepFoundationsUnderStaticAxialTensileLoad1ThisstandardisissuedunderthefixeddesignationD3689/D3689M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—DesignationwaseditoriallycorrectedtomatchunitsinformationinJune2013.1.Scope1.1Thetestmethodsdescribedinthisstandardmeasuretheaxialdeflectionofaverticalorinclineddeepfoundationwhenloadedinstaticaxialtension.Thesemethodsapplytoalldeepfoundations,referredtohereinas“piles,”thatfunctioninamannersimilartodrivenpilesorcastinplacepiles,regardlessoftheirmethodofinstallation,andmaybeusedfortestingsinglepilesorpilegroups.Thetestresultsmaynotrepresentthelong-termperformanceofadeepfoundation.1.2Thisstandardprovidesminimumrequirementsfortest-ingdeepfoundationsunderstaticaxialtensileload.Plans,specifications,provisions,oranycombinationthereofpreparedbyaqualifiedengineermayprovideadditionalrequirementsandproceduresasneededtosatisfytheobjectivesofaparticulartestprogram.Theengineerinresponsiblechargeofthefoundationdesign,referredtohereinastheengineer,shallapproveanydeviations,deletions,oradditionstotherequire-mentsofthisstandard.1.3Thisstandardallowsthefollowingtestprocedures:ProcedureTestSectionAQuickTest8.1.2BMaintainedTest(optional)8.1.3CLoadinginExcessofMaintainedTest(optional)8.1.4DConstantTimeIntervalTest(optional)8.1.5EConstantRateofUpliftTest(optional)8.1.6FCyclicLoadingTest(optional)8.1.71.4Apparatusandprocedureshereindesignated“optional”mayproducedifferenttestresultsandmaybeusedonlywhenapprovedbytheengineer.Theword“shall”indicatesamandatoryprovision,andtheword“should”indicatesarecommendedoradvisoryprovision.Imperativesentencesindicatemandatoryprovisions.1.5Aqualifiedgeotechnicalengineershouldinterpretthetestresultsobtainedfromtheprocedu...
