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CPT Classification Chart <br /> • (after Robeson 19901 <br /> 3 <br /> Non-Normalized Classification Chart <br /> 1000 <br /> 10/ 12 <br /> 100 8 <br /> rn 7 <br /> CD <br /> � 10 <br /> 1 <br /> O 1 2 3 4 5 fi 7 fi <br /> Friction Ratio (%), Rf <br /> I <br /> Zone Qt/ N Soil Behaviour Type <br /> 1 2 sensitive fine grained <br /> 2 1 organic material <br /> 3 1 clay <br /> 4 a 15 silty Gay to clay <br /> 5 2 clayey silt to silty clay <br /> 6 25 sandy silt to clayey silt <br /> 7 3 silty sand to sandy silt <br /> a 4 sand to silty sand <br /> 9 5 sand <br /> 10 6 gravelly sand to sand <br /> 11 1 very stiff fine grained " <br /> 12 2 sand to clayey sand " <br /> "overconsolidated or cemented <br /> AREGGGGOtachn!cal and EnV!TOnnt3nW ¢n SKu 7estung ConVac2ays <br /> Los Angeles - San Francisco - Houston • Aiken <br /> Vancouver , Edmonton - Salt Lake City - Now Jersey <br /> ref (925)313.5m Fax (M)3134M E-,wd geigl~a�ecif s corn <br />