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r <br /> r <br /> SOIL CLASSIFICATION CHART <br /> r <br /> r 1000 <br /> r � <br /> TWO <br /> Q r irk Ly ' R ` <br /> M 100 8 Fi <br /> r � x- � <br /> Yy J <br /> U 10 .# s <br /> r <br /> r 1 <br /> 0 1 2 3 4 5 6 7 $ <br /> PID <br /> Friction Ratio (%), Rf <br /> Zone Qt / N Soil Behaviour Type <br /> r1 M 2 sensitive fine grained <br /> 2 ® 1 organic material <br /> I 3 M 1 clay <br /> 4 ■ 1 5 silty clay to clay <br /> 5 M 2 clayey silt to silty clay <br /> 6 25 sandy silt to clayey silt <br /> 7 3 silty sand to sandy silt <br /> 8 4 sand to silty sand <br /> 9 "M 5 sand <br /> I10 i.r 6 gravelly sand to sand <br /> 11 1 very stiff fine grained <br /> 12 pl, 2 sand to clayey sand <br /> I * overconsolidated or cemented <br /> IEMEM <br /> After Robertson and Campenella <br /> Figure 5 <br /> i <br /> I <br /> I <br />