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Continue to ChatIS 2720 (PART 15)-1986 INDIAN STANDARD METHODS OF TEST FOR SOILS DETERMINATION OF CONSOLIDATION PROPERTIES(FIRST REVISION). https://civilengineer.co.in/indian-standard-codes/is-2720-part-15-1986-indian-standard-methods-of-test-for-soils-determination-of-consolidation-propertiesfirst-revision/