Laserfiche WebLink
I <br /> MAJOR DIVISIONS LETTER TYPICAL DESCRIPTION <br /> ISYMBOL <br /> Clean GW Well-graded gravels,gravel-sand mixtures, little or no fines. <br /> Gravels(less <br /> 3 <br /> °' More GRAVELS <br /> 50% than 5% <br /> fines) GP Poorly-graded gravels,gravel-sand mixtures, little or no fines. <br /> c� N of coarse fraction <br /> u) To u) is larger than No. GM Silty gravels,gravel-sand-silt mixtures, non-plastic fines. <br /> o 4 sieve Gravels with <br /> w <br /> Z E fines GC Clayey gravels,gravel-sand-clay mixtures, plastic fines. <br /> o <br /> o N <br /> CD u ci Clean Sands SW Well-graded sands,sands with gravel, little or no fines. <br /> w Z SANDS (less than <br /> QMore than 50% 5%fines) Sp Poorly-graded sands, sands with gravel, little or no fines. <br /> 0 o '-' of coarse fraction <br /> 2 is smaller than SM Silty sands,sand-siltmixtures, non-plastic fines. <br /> No. 4 sieve Sands with <br /> fines SC Clayey sands,sand-clay mixtures, plastic fines. <br /> I To <br /> ML Inorganic silts, rock flour,clayey silts with slight plasticity. <br /> E .� SILTS AND CLAYS <br /> p m Liquid Limit is less than 50% CL Inorganic clays of low to medium plasticity. (Lean clay) <br /> N <br /> CI m •n OL Organic silts and organic clays of low plasticity. <br /> Z Eo <br /> oi d S . MH Inorganic silts,elastic. <br /> CD c Z SILTS AND CLAYS <br /> Z 2 Liquid Limit is greater than 50% CH Inorganic clays of high plasticity. (Fat clay) <br /> Io OH Organic clays of high plasticity. <br /> HIGHLY ORGANIC SOILS PT Peat. <br /> IDEFINITION OF TERMS AND SYMBOLS <br /> w Standard Penetration T <br /> Density Resistance in Blows/Foot1 2"OUTSIDE DIAMETER SPILT SPOON SAMPLER <br /> titZ — 2.4"INSIDE DIAMETER RING SAMPLER OR <br /> O Very Loose 0-4 _ SHELBY TUBE SAMPLER <br /> IliLoose 4-10 <br /> = Medium Dense 10-30 <br /> O Dense 30-50 y WATER LEVEL(Date) <br /> V Very Dense >50 <br /> Tr TORVANE READINGS,tsf <br /> Standard Penetration Pp PENETROMETER READING,tsf <br /> w Consistancy Resistance in Blows/Foot <br /> DD DRY DENSITY, pounds per cubic foot <br /> w <br /> Very Soft 0-2 <br /> = Soft 2-4 LL LIQUID LIMIT, percent <br /> I O Medium Stiff <br /> Stiff 4-8 <br /> U 8-16 PI PLASTIC INDEX <br /> Very Stiff 16-32 <br /> Hard >32 N STANDARD PENETRATION, blows per foot <br /> ITerra UNIFIED SOIL CLASSIFICATION SYSTEM <br /> e RIVERSIDE BUSINESS PARK LOTS 5 AND 6 <br /> I <br /> tracir� Associates, Inc. EVERETT, WASHINGTON <br /> Consultants in Geotechnical Engineering <br /> Geology and No.T-7388 Date MAR 2016 Fig <br /> ure Earth Sciences Proj. A-1 <br /> I <br />