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i <br /> <br />iooo <br />i <br /> a <br />' ~ ioo <br /> <br /> m <br /> <br /> <br /> <br /> m <br /> <br /> ° 10 <br />' U <br /> <br />' 1 <br />CPT Classification Chart <br />(after Robertson and Campanella, 1988) <br />Zone Qt / N Soil Behaviour Type <br />' 1 ^ 2 sensitive fine grained <br />2 ^ 1 organic material <br />' 3 ~~: 1 clay <br />4 ^ 1.5 silty clay to clay <br />5 ^ 2 clayey silt to silty clay <br />' 6 ^ 2.5 sandy silt to clayey silt <br />7 3 silty sand to sandy silt <br />8 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 />t * overconsolidated or cemented <br />CONE EC <br />~~ <br />1 <br />Friction Ratio (%), Rf <br />