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<br />e <br /> <br />EM lllO-2-l913 <br />31 Mar 78 <br /> <br /> 0.6 <br /> 0.4 <br />. C <br />P <br /> 0.2 <br />. <br /> 0 <br /> <br /> -- - <br />/" <br /> <br />40 <br /> <br />. <br /> <br />35 <br /> <br />V> <br />W 30 <br />W <br />tr <br />C) <br />W <br />o <br />Z <br />. 25 <br />-B- <br /> <br />20 <br /> <br />. <br /> <br />15 <br />o <br /> <br />. <br /> <br />e <br /> <br />20 <br /> <br />40 <br /> <br />60 <br /> <br />PI <br /> <br />80 <br /> <br />100 <br /> <br />(a) c/p versus plasticity index for <br />normally consolidated soils (after <br />Bjerrum, ref. A-5a) <br /> <br /> <br />o <br /> <br />10 <br /> <br />20 <br /> <br />30 40 50 <br />PLASTICITY INDEX. PI <br /> <br /> <br />LEGEND <br /> <br />SYMBOL <br />o <br />D <br />b. <br /> <br />DISTRICT <br />ST. LOUIS <br />MEMPHIS <br />VICKSBURG <br /> <br />o <br /> <br />b. <br /> <br />o <br /> <br />b. <br /> <br />o <br /> <br />b. <br /> <br />60 <br /> <br />BO <br /> <br />70 <br /> <br />(b) ~' versus plasticity index <br /> <br />Figure 3-2. <br /> <br />Example correlations of strength characteristics <br />for fine-grained soils <br /> <br />3-7 <br /> <br />" <br />