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Taylor (1948) suggested the method for determination of the settlement, δ, corresponding to 90% consolidation utilizing the characteristics of the degree of consolidation, U, versus the square root of the time factor, √T, plot. Based on the properties of the slope of U versus √T curve, a new method is proposed to determine δ corresponding to any U above 70% consolidation for evaluation of the coefficient of consolidation, Cv. The effects of the secondary consolidation on the Cv value at different percentages of consolidation can be studied. Cv, closer to the field values, can be determined in less time as compared to Taylor's method. At any U in between 75 and 95% consolidation, Cv(U) due to the new method lies in between Taylor's Cv and Casagrande's Cv.
Assistant research officer, Central Soil and Materials Research Station (Ministry of Water Resources), Olof Palme Marg, Hauz Khas, New Delhi,
director, Central Soil and Materials Research Station (Ministry of Water Resources), Olof Palme Marg, Hauz Khas, New Delhi,
Stock #: GTJ11426J