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� N4JOR DIVISIONS I LETTER i TYpICAL DESCRIPTIO� <br /> I SYMBOL <br /> i — -- -— <br /> � Clean � GW Well-graded gravels, gavel-sand mixtures, little or no <br /> GRAVELS Gravels � fines. <br /> f J � (less lhan I GP Poody-graded gravels, gravel-sand mixtures, little or <br /> � 0 � N More than 596 fines) _ no tines. _ ____ _ <br /> � �N 50% of coarse � i Silty gravels, gravel-sand-silt mixWres, non-plastic <br /> i R � traction is G r a v e l s '; GM fines. _ _ _ <br /> � � > larger than No. �I <br /> m°' a sieve With fines ' <br /> Z � �n GC, Clayey gravels, gravel-sand-clay mixtures, plastic fines. <br /> i <br /> � o — <br /> � o� I CI88f1 � S W I W e l l-g r a d e d s a n d s, g r a v e l l y s a n d s, l i tde or no fine s. <br /> � o SANDS � Sands I_ <br /> W c z Qess than Poorly-graded sands or yravelly sands, liple or no <br /> � � � More ihan 5%o fines) j S P fines. __ <br /> � 50% of coarse — <br /> p �� fraction is � S(�/� Silry sands, sand•silt mixtures, non-plastic fines. <br /> (� �° smaller than Sands � _.— <br /> I No. 4 sieve with fines i SC Clayey sands, sand-clay mixtures, plastic fines. <br /> � I I ML �Inorganic sills, rock flour, clayey silis wilh slight � <br /> � � SILTS AND CLAYS �I I P�asticity. _ <br /> J • O .--_ _. _ <br /> � n ro� I, CL Inorganic clays of low to medium plas;icity, (lean clay). <br /> � � E d �, Liquid limit is less than 50°o I <br /> O �z N I ��, Organic silts and organic clays of low plasticity. <br /> IZ u�-i � d - -- --- -i-- — <br /> Q �� a�i MH Inorganic silts, elastic. <br /> � � m �' SILTS AND CU1YS — -- — <br /> �. W � � I� CH Inorganic clays of high plasticity, (at clays. —� <br /> Z o m Liquid limit is greater than 50°0 �I <br /> � � QH Organic clays of high plasticiry. <br /> I i -- <br /> HIGHL`( CRGANIC SOILS ii PT Peat. <br /> DEFINITIOPJ OF TERMS AP,D SYMBCLS <br /> � I, Standard Penetration 2° OUTSIDE DIAMETER SPLIT <br /> W I Dens� Resistance in Blows/Foot 1 SPOOV SAMPLER <br /> z I Ve loose ��-4 T 2.4' INSIDE DIAMETER RING SAMPLER <br /> O � ry q.�p L Ofi SHELBY TUBE SAMPLER <br /> Loose <br /> w Medium dense ��'�� 1 WATER LEVE� (DATE) <br /> = Dense 30-50 <br /> � Very dense >50 <br /> � U � Tr TORVANE READINGS, tsf <br /> ' Standard Penetration Pp PENETROMETER READING tsf <br /> I ,y <br /> Consisten� Resistance in Blows/Foot DD DRY DENSITY, pounds per cubic foot <br /> � I Very Soft 0-2 LL LIQUID LIMIT, percent <br /> W I So(t 2-4 PI PLASTIC INDEX <br /> � = Medium stiH 4-8 <br /> � I Stiff 8-�6 N STANDARD PENETRATION, blows per faot <br /> U Very stiff i6-32 <br /> Hard >32 <br /> UNIFIED SOIL CLASSIFICATION SYSTF_M <br /> Terra EVERETT MALL EXPANSION <br /> �=�`S?��'�''- ASSOCIc'Zt�'S� IIIC. POND BERM EVALUATION <br /> �-=' � ConsultanisinGeotechnicalE�gineerin� EVERETT, WASHINGTON <br /> Gealogy and <br /> Environmental Earth Sciences PrOj. No. T-5569 Date OCT 2004 Figure 3 <br /> ��/L� <br />