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DESCRIPTION MAJOR DIVISIONS <br /> GW WELL-GRADED GRAVELS,GRAVEL SAND COARSE <br /> MIXTURES,LITLLE OR NO FINIS CLEAN GRAVELAND GRAINED <br /> GRAVELS GRAVELLY SOILS SOILS <br /> GP POORLY-GRADED GRAVELS,GRAVEL (LITTLE OR NO MORE <br /> SANDMIXFURES.LITi LE OR NO FINES FINES) ; THAN <br /> 50% <br /> GM SILTYGRAVELS,GRAVEL:SAND-CLAY LARGER <br /> MIXTURES SANDS WITH MORE THAN 50% i THAN <br /> APPRECIABLE OF COARSE NO.200 <br /> AMOUNT OF FRACTION SIEVE <br /> GC CLAYEY GRAVELS GRAVEL:SAND CLAY RETAINED ON NO. i <br /> MIXTURES EINES 4'SIEVE <br /> SW WELL-GRADED SANDS,GRAVELLY <br /> SANDS,LITTLE OR NO FINES CLEAN SAND SANDS AND <br /> (LITTLE OR NO SANDY SOILS <br /> u ''SP POORLY-GRADED SANDS,GRAVELLY FINES) <br /> SANDS,LITTLE OR NO FINES <br /> SM SILTYSANDS,SAND-SILT MIXTURES SANDS WITH MORE THAN 50% <br /> APPRECIABLE OF COARSE <br /> A/10UNTOF FRACTION <br /> SC CLAYEY SANDS,SAND-SILT MIXTURES FINES PASSING NO.4 <br /> SIEVE <br /> ML INORGANIC SILTS AND VERY FINE" FINE <br /> - SANDS,ROCK FLOUR,SILTY OR CLAYEY GRAINED <br /> FINE SANDS OR CLAYEY SILTS WITH SOILS <br /> SLIGHT PLASTICITY MORE <br /> THAN <br /> CL INORGANIC CLAYS OF LOW TO MJ'DIUM LIQUID LIMIT S ILTS AND 50% <br /> PLASTICITY,GRAVELLY CLAYS,LEAN LESS THAN 50 CLAYS SMALLER <br /> CLAYS THAN <br /> NO.200 <br /> OL ORGANIC SILTS AND ORGANIC SILIY SIEVE <br /> CLAYS OF LOW PLASTICITY <br /> i <br /> MH INORGANIC SILTS,MICACIOUS OR <br /> DIATOMACEOUS FINE SAND OR SILLY <br /> SOILS 'c <br /> CH INORGANIC CLAYS OF HIGH LICIIJID LIMIT LESS SILTS <br /> PLASTICITY,FAT CLAYS AND <br /> GREATER THAN 50 CLAYS <br /> OH ORGANIC CLAYS OF MEDIUM TO HIGH <br /> PLASTICITY,ORGANI C S I LIS <br /> PT PEAT,HUMAS SWAMP SOILS WITH HIGH HIGHLYORGANIC SOILS <br /> ORGANIC CONTENTS <br /> (FEED` SAMPLE SAMPLE TYPE TEST TYPE NOTES <br /> 9 GRAB SAMPLE CLASSIFICATION <br /> Plasticity,(Atterberg Limits) pi <br /> STANDARD DRIVE SAMPLE,2.0"o-d-, 1-38" Grain Size Analysis gr <br /> Spt i.d.,sampler driven with 140 Ib hammer,30" Specific Gravity sg <br /> drop(Standard Penetration Test). Shrink/Swell s!s <br /> MODIFIED CALIFORNIA DRIVE SANIPLE, STRENGTH <br /> -- Cm 2.5"o.d.,1.92"i.d.,sampler drivCn w/140 lb Direct Shear ds <br /> hammer,30"drop,w/tube liners. Unconfined Compression uc <br /> HAND SAMPLE,2.25"o.d., 1.92"i-d-,sampler Triaxial Compression tx <br /> hs driven w/I5 lb hammer, 18"drop,w/tube liners Pocket Pentrometer pp <br /> 5 <br /> Torvane Shear is <br /> PUSH SAMPLE,2.87"i.d.thin wall sampler CONSOLIDATION c <br /> St (Shelby Tube),hydraulically pushed. <br /> lip <br /> UNIFIED SOIL CLASSIFICATION SYSTEM AND TEST PIT LOG SYMBOLS <br /> NEIL O.ANDERSON & ASSOC., INC. 12897 South Cometa Rd. <br /> 22 N Houston Ln <br /> Lodi,California Valley Home, California <br /> Lodi(209)367-3701 <br /> Plate 5 <br /> i <br />