an engineering geological characterisation of tropical clays - GBV

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7.29 – 7.33 Correlation between swelling pressure and index properties
of black clays 140- 141
7.34 Variation of percentage swelling with loading pressure in black clays 143
7.35 Correlation; % swelling and loading pressure of black clay samples 144
7.36 Correlation between % swelling and loading pressure of black clays 146
7.37 Correlation; percentage swelling in relation to initial specimen height, Ho,
and extent of external loading for black clays 149
7.38 Estimation of swelling properties of black clays using Greek method 151
8.1-8.2 Natural moisture content variation in black clays across the study area for
depths less than 0,50m as well as those greater than 0,50m 155-157
8.3-8.4 Liquid limit variation in black clays across the study area for depths of
less than 0,50m as well as those greater than 0,50m 158-161
183
8.5-8.6 Plasticity index variation in black clays across the study area for the depth of
less than 0,5m as well as that greater than 0,5m 162-163
8.7-8.8 Linear shrinkage variation across the study area for the depth of
less than 0,50m as well as that greater than 0,50m 164-165
8.9-8.10 Free swell variation in black clays across the study area at depths
of less than 0,5m as well as those greater than 0,50m 166-168
8.11 Variation of clay proportion in black clays across the study area at depths of less
than 0,5m as well as those greater than 0,50m 170
8.12-8.13 Variation of fines proportion in black clays across the study area at depths
of less than 0,5m as well as those greater than 0,50m 171-172
8.14 Distribution and variation of coarse fraction in black clays 173
8.15 Distribution and variation of shear strength parameters (c´, φ´) in black
clays 174-175
10.1 Correlation between laboratory measured values of plasticity index and linear
shrinkage of black clays
10.2 Correlation between calculated and laboratory measured plasticity indices
of black clays 184
10.3 Correlation between laboratory measured values of plasticity index and linear
shrinkage of red soils 186
10.4 Correlation between calculated and laboratory measured plasticity indices
of red soils 187
10.5 Correlation between laboratory measured values of plasticity index
and liquid limit of black clays and red soils 187
10.6 Correlation between calculated and laboratory determined plasticity indices
of black clays and red soils 191
10.7 Correlation: laboratory measured values of linear shrinkage and liquid
limit of black clays and red soils 191
10.8 A correlation between calculated and laboratory determined linear
shrinkage of black clays and red soils 194
10.9 Correlation: laboratory measured values of free swell and those of liquid
limit, plasticity index and linear shrinkage of black clays and red soils 197
10.10 Correlation between calculated and laboratory determined free
swell values of black clays and red soils 198
10.11 Correlation between laboratory measured values of linear shrinkage and
clay fraction of black clays and red soils 198
10.12 Correlation between laboratory measured values of free swell and clay
fraction of black clays and red soils 199