UNIT – IV
CONSOLIDATION: TYPES OF COMPRESSIBILITY –
IMMEDIATE SETTLEMENT, PRIMARY
CONSOLIDATION AND SECONDARY
CONSOLIDATION – STRESS HISTORY OF CLAY; E-P
AND E-LOG P CURVES – NORMALLY
CONSOLIDATED SOIL, OVER CONSOLIDATED SOIL
AND UNDER CONSOLIDATED SOIL –
PRECONSOLIDATION PRESSURE AND ITS
DETERMINATION – TERZAGHI’S 1-D
CONSOLIDATION THEORY – COEFFICIENT OF
CONSOLIDATION: SQUARE ROOT TIME AND
LOGARITHM OF TIME FITTING METHODS –
COMPUTATION OF TOTAL SETTLEMENT AND TIME
RATE OF SETTLEMENT.