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LEGEND FOR SOIL CLASSIFICATION AND PENETRATION TEST DATA <br />UNIFIED SOIL CLASSIFICATION SYSTEM (USCS) <br />MAJOR EIMSION <br />SYMBOL <br />TYPICAL. DESCRIPTION <br />LABORATORY CLASSIFICATION CRITERIA <br />CLEAN <br />GW <br />WELL GRADED GRAVELS, GRAvB.um mDCITIRE, <br />Du • {050 / a10y0nwlr tRllt 4 <br />GRAVELS <br />LITTLE OR NO FINES <br />CONTCViL <br />. (pO011 1 {at0 • txoy basaeerl 1 mw 3 <br />GRAVELS <br />aft arm <br />OF FINES BELOW 5% <br />GINPOOL$ <br />Y GRADED GRAVELS, AND GRAVEL SAND <br />CLEAN GRAVELS NOT mEffn ICi ABOVE <br />COARREdRAWEO <br />(mm1?tankull <br />WMWI <br />W IRESLITTLEORNOFINES <br />AGOLU HENS <br />SOB! <br />Coaraa Frackm Is <br />DIRTY <br />till <br />SOJYGRAVELS. GRIRtEL,SANSSLTMI%TUREB <br />Gfk ATTERSERG L %vrs s i mw A LINE <br />Larps Than NiL 4 <br />Sieve) <br />GRAVE <br />-- <br />CONTENT <br />Or RLUMSTW N4 <br />OF FINES EXCEEDS <br />GC <br />CLAYEY GRAVELS, GRAVEL-SANDrL.AY MOMIRES <br />GO ATTE UMB ABOVE'AE • LIN <br />[M erne <br />mes) <br />t2% <br />or P.L MORE THAN 7 <br />SANDS <br />CLL/IN <br />WELL GRADED SANDS. GRAVELLY SANDS. LTTTLEDR <br />Cm-MM1DIO)gnnersm a <br />SANDS <br />NO FINESCONTENT <br />CC •(SOP / lQ10.NO) tapewen 1 aM 3 <br />Coarse Fn� is <br />(atle or no <br />FINES BELOW 5% <br />POORLY GRADED SANDS. GRAVELLY SANDS, LITTLE <br />CLEAN SANDS NOT MEERNG ABOVE <br />Mon Than Halt Ly <br />Smaler 71mr1 Na 4 <br />Ron) <br />OR NO FINES <br />REGUIREi.18NTS <br />Wa0h1 LaqW TIm <br />SMwI <br />DamSM <br />SILTY SANDS. SAMlS0.TMORURE9 <br />ATTERBERG;Um sBELOW•A•LM <br />No. 200Siwe <br />SANDS <br />CONTENTOF FIND <br />wh P.I. LESS TITAN 4 <br />SMBI e01M <br />SC <br />CLAYEY SANDS, SAND -CLAY MIXTURES <br />EXCEEDS 12% <br />ATTEABERG L8013 ABOVE-W LINE <br />Mesy <br />vA* AL MORE T14W 7 <br />SILTS <br />Uquid UlA <br />ML <br />INORGANIC SILTS. ROCK FLOM SANDY SLTS OF <br />teelow MLNe on <br />< 50% <br />SLIGHT PLASTICDY <br />Pbs"Cmrt <br />FOtECiRAOiED <br />N ) <br />Lgo10 Unit <br />YH <br />INORGANIC SILTS. MICACEOUS OR DIATOMACEOUS. <br />50 <br />sots <br />W% <br />FlNESANDY OR SLTY SOa. <br />CLAYS <br />U pow Until <br />INORGANIC INORGANIC CLAYS OF LOW PLASTICITY. GRAVELLY, <br />a <br />(Ab"o e on <br />A-LW <br />< 50% <br />ILT SANDY. OR BUY CLAYS, CLEAN CLAYS <br />O <br />Z <br />plawAftyaw' <br />30 <br />Navwb OrparY <br />LIWbLMxt <br />a 5 u <br />Ci <br />INORGANIC CLAYS OF NIGH PLASTICITY, FAT CLAYS <br />tj <br />LOU Then Had by <br />WalQM Lager Th- <br />ORGANIC SETS A <br />U*m umll <br />OL <br />ORGANIC SILTS AND ORGANIC BUY CLAYS OF LOW <br />No. 200SIM <br />CLAYS <br />43" <br />PLASTICITY <br />t0 <br />(Bobo A4Jm an <br />7 <br />Pmemycharl) <br />OH <br />ORGANIC CLAYS OF MOMPLASTZd7Y <br />r'Ems <br />INARIPAVE <br />llsommeImmummonsm <br />V19D%��Yii� <br />0 10 20 30 40 50 00 70 - 80 - OO -- 100 <br />HIGNLY ORGANIC SOLE <br />PC <br />PEAT AND Q7HEA HIGHLY ORGANIC SOLS <br />LIQUID LIMIT (96j <br />SAIL PARTICLE S17E <br />OENMM GUIDANCE FOR ENGINEERq O PROPERTTE3 OF 3OILS, SAND ON STANDARD PENETRATION TEST <br />ISP1j DATA <br />U.S. STANDARD SIE11ff <br />..-- <br />FRACTION <br />Passing <br />Retained <br />SANDY SOBS <br />SILTY & CLAYEY SOILS <br />Slave <br />� <br />Siwa <br />Strs <br />Imo/ <br />BMOy <br />Blow Comm <br />N <br />Rob" <br />Daemlly, % <br />FOWM MOM <br />0. dnee <br />DeltnM m <br />Blow Counm <br />N <br />Uncorhma <br />SWenplb q0, w <br />DsecrlPlIc" <br />SILT I CLAY <br />a200 <br />0.075 <br />+seen <br />0-4 <br />0.15 <br />Voytmes <br />A <br />t025 <br />Very MR <br />FINE <br />No <br />0.428 <br />a200 <br />0.073 <br />4.10 <br />15.35 <br />24.30 <br />Lao" <br />2.4 <br />0.25.0,50 <br />Soft <br />MEDCUM <br />at0 <br />2.00 <br />040 <br />0,425 <br />10-30 <br />35.45 <br />28-35 <br />McSnrltO ma <br />4-8 <br />0.50.1,00 <br />mussaSWt <br />COARSE <br />a4 <br />4.75 <br />810 <br />2.00 <br />30-50 <br />OS - OS <br />35.42 <br />Der" <br />3.15 <br />1.00-2.00 <br />SW <br />93M <br />x50 <br />BS - too <br />38.40 <br />VayDanaa <br />15-30 <br />zoo -4.00 <br />Very3WW <br />FUG <br />0.75• <br />to <br />04 <br />415 <br />s 30 <br />a 4.00 <br />Hard <br />COARSE <br />3• <br />76 1 <br />0.73• 1 <br />W <br />Cos*= <br />78 mmtb 203 Inn <br />Group Northwest, Inc. <br />BOULDERS <br />>,, <br />Geoteehnical Engineers, Gab IaBiab, d. <br />ROCK FRAOMEM <br />>' 70 mm <br />Envimev v Atal Saientista <br />IUM NE 2001 Streak Suue 10 Ba%m* WA ti0005 <br />Pnene (42Sy MO 8757 Fan ORS)et¢8758 <br />ROCK <br />•O.TS arhk nmtar m vftm <br />PLATE A 1 <br />