Discussion of “Re-Examination of Undrained Strength at Atterberg Limits Water Contents” by H.B. Nagaraj, A. Sridharan & H.M. Mallikarjuna

Campbell DJ (1975) Liquid limit determination of arable topsoils using a drop-cone penetrometer. Soil Sci 26:234–240CrossRefGoogle Scholar

Edil TB, Benson CH (2009) Comparison of basic laboratory test results with more sophisticated laboratory and in situ test methods on soils in Southeastern Wisconsin. Final report of Wisconsin highway research program #0092-06-05Google Scholar

Haigh SK (2012) The mechanics of the Casagrande liquid limit test. Can Geotech J. doi:  10.1139/t2012-066

Haigh SK, Vardanega PJ, Bolton MD (2013) The plastic limit of clays. Géotechnique. doi: 10.1680/geot.11.P.123

Hansbo S (1957) A new approach to the determination of the shear strength of clay by the fall-cone test. Swed Geotech Inst Proc 14:5–47Google Scholar

Houlsby GT (1982) Theoretical analysis of the fall cone test. Géotechnique 32(2):111–118CrossRefGoogle Scholar

Kravitz JH (1970) Repeatability of three instruments used to determine the undrained shear strength of extremely weak, saturated, cohesive sediments. J Sediment Petrol 40(3):1026–1037Google Scholar

Leroueil S, Le Bihan J-P (1996) Liquid limits and fall cones. Can Geotech J 33(5):793–798CrossRefGoogle Scholar

Locat J, Demers D (1988) Viscosity, yield stress, remolded strength and liquidity index relationships for sensitive clays. Can Geotech J 25(4):799–806CrossRefGoogle Scholar

Nagaraj HB, Sridharan A, Mallikarjuna HM (2012) Re-examination of undrained strength at Atterberg limits water contents. Geotech Geol Eng 30(4):727–736Google Scholar

Norman LEJ (1958) A comparison of values of liquid limit determined with apparatus having bases of different hardness. Géotechnique 8(2):79–83CrossRefGoogle Scholar

Sherwood PT, Ryley MD (1970) An investigation of a cone-penetrometer method for the determination of the liquid limit. Géotechnique 20(2):203–208CrossRefGoogle Scholar

Stone KJL, Phan KD (1995) Cone penetration tests near the plastic limit. Géotechnique 45(1):155–158CrossRefGoogle Scholar

Wasti Y, Bezirci MH (1986) Determination of the consistency limits of soils by the fall-cone test. Can Geotech J 23(2):241–246CrossRefGoogle Scholar

Whyte IL (1982) Soil plasticity and strength—a new approach using extrusion. Ground Eng 15(1):16–24Google Scholar

Youssef MS, El Ramli AH, El Demery M (1965) Relationships between shear strength, consolidation, liquid limit and plastic limit for remoulded clays. In: Proceedings 6th international conference on soil mechanics and foundation engineering, vol 1. Montreal, pp 126–129Google Scholar