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J ��J KAPREALIAN ENGINEERING I N C O R P O R A T E D I I MAJOR DIVISIONS I SYMBOLS I TYPICAL SOIL DESCRIPTIONS 1 I I 1 GW I 141-4N. Well graded gravels or gravel - sand mixtures, little or no fines I I GRAVELS I GPti=ti ti• Poorlygraded ravels ravel - sand mixtures,little or no fines (More than 112 of coarse I �•�?�• g g or g 1 I fraction >No 4 sieve size) 1 I I GM Silty gravels,gravel -sand-silt mixtures l I I I I ! I GC Clayey gravels,gravel- sand-clay mixtures I I I ! 1 t 1 I SW t`}r Well graded sands or gravelly sands, little or no fines I 1 Alm I ' I I ! I I SP Poorly graded sands or gravelly sands,little or no fines I i (More than 112 of coarse I _ I I fraction<No 4 sieve size) :_% %_ t 1 ! silt mixtures I SM :_:: Silty sands,sand- ! I ! t t 1 I SC P 0Clayey sands,sand-clay mixtures 1 l I ! I ML =—_ Inorganic silts and very fine sands,rock flour,silty or clayey ! I SILTS &CLAYS I ___— fine sands or clayey silts with slight plasticity I ! I I _ t t I Inorganic clays of low to medium plasticity,gravelly clays t I LL< 50 CL sandy clays,silty clays,lean clays 1 1 1 OL ~ " 1 1 I , , • Organic silts and organic silty clays of low plasticity I 1 I I t I I I MH Inorganic silts,micaceous or diatomaceous fine sandy or silty 1 I I SILTS &CLAYS soils,elastic silts I I I 1 I i I I LL, I CH Inorganic clays of high plasticity, fat clays i I I I I I I I I 1 t I OH Organic clays of medium to high plasticity,organic silty clays I I 1 ! organic silts 1 I 1 I I 1 HIGHLY ORGANIC SOILS 1 Pt Peat and other highly organic soils 1 I i � I I 1 I I I I 1 DUAL(TRANSITION 1 Soil charactensitics are transitional between the soil 1 t I SOILS I classifications listed above t 1 1 I I I I CLASSIFICATION CHART(Unified Soil Classification System)