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Cpl Chard <br /> (after Robertson 1990) <br /> Non-Normalized Classification Chart <br /> loaa <br /> 10 12 <br /> 11 <br /> 100 <br /> as 7 <br /> as 6 <br /> an <br /> 5 <br /> W <br /> U 10 <br /> 3 <br /> I ' <br /> 2 <br /> 1 <br /> O 1 2 3 4 5 fi 7 B <br />' Fraction Ratio (%} Rf <br /> Zone Qt/ N Soii'Behavlour Type <br /> 1 <br /> Cl 2, ' sensitive fine`grained <br /> 2 O 1 organic material <br /> 3 ❑ 1' clay <br /> 4 ❑ 1 5 silty clay to clay <br />' 5 0 2 clayey silt to silty clay <br /> B 0 2 5 sandy spit to clayey silt <br /> 7 ' 0 3 siit)i sand to sandy silt <br /> 8 4 o sand to silty sand <br /> � 9 ❑ 5 <��� sand <br /> 10 ,❑ 6 gravelly sand to sand <br /> �1 1t very stiff fine giained Rh <br /> 12 o 2 sand to clayey,`sand " <br /> 1 Y <br /> " overconsolidlated or cemented <br /> 1 <br /> EG G Geotechnical and Environmental In Situ Testing Contractors <br /> Los Angeles - San Francisco • Houston - Aiken <br /> Vancouver • Edmonton - Salt Lake City - New Jersey <br /> Tel (925)313-5800 Fax (925)313-0302 &marl gregg@eds com <br />