Abstract: Themagnitudeandrateofthesettlementarethekeyelementssubjectedtodesignanalysisofembankmentsonsoftground .Theobserva tionalmethodsbasedonfieldmeasurementhaveindicatedthepromisingresultsandbecomeeffectivemethodstopredictthefinalsettlement,while the uncertainties of parameters and the orieslimitsignificantlytheaccuracy of settlementestimation .This paperpresentsanobservationalmethodto predict the settlementperformanceofembankmentswithstageconstructiononsoftgroundbasedonAsaokamethod .Thecasestudiesshowtheac cordanceofthepredictingresults with the fieldmeasured data .Itis alsogiven from the case study that the value of Eu/curatiorangesfrom 5 0to 10 0forJiangsuMarineclayanditsactualcoefficientofconsolidationisalmostoneorderofmagnitudelarger than the laboratory data .