Theresultsofundrainedcyclictriaxialtestsonthreetypesofclaysarecollectedandarelationshipamongtheaccumulatedstrain,theinitialstressstate,cyclicstressinthesoil,aswellasthenumberofcyclesisestablishedbasedontheexperimentaldata.Withthisrelationship,aprocedureisproposedforsubsidenceandstabilityanalysisonsoftclayundertheactionofcyclicloads.