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1 - <br /> r^L 4230 Kiernan Avenue,Ste 150 I Modesto,CA 95356 1209.543.17991 Fax 209.543.1775 <br /> DEFT NI TI ON OF TERM S <br /> PRIMARY DIVISIONS SYMBOLS SECONDARY DIVISIONS <br /> GRAVELS CLEAN WELL GRADEDRA LE S,GRANO VELFINSAND MIXTURES <br /> MORE THAN GRAVELS <br /> z <5%FINES • POORLY GRADED GRAVELS OR GRAVEL SAND MIXTURES, <br /> a u HALF OF -�' GP -4' LITTLE OF NO FINES <br /> O C) w COARSE SILTY GRAVELS,GRAVEL-SAND-SILT MIXTURES, <br /> O w FRACTION IS GRAVELS GM NON-PLASTIC FINES <br /> Z ¢; GC LARGER THAN WITH FINES y A CLAYEY GRAVELS,GRAVEL-SAND-CLAY MIXTURES, <br /> w PLASTIC FINES <br /> Q -�-� SW WELL GRADED SANDS,GRAVELLY SANDS,LITTLE OR NO <br /> - oo SANDS CLEAN <br /> N MORE THAN SANDS FINES <br /> <5%FINES POORLY GRADED SANDS,GRAVELLY SANDS,LITTLE OR <br /> CC C40 HALF OF SP <br /> wz NO FINES <br /> COARSE <br /> FRACTION IS SILTY SANDS,SAND-SILT MIXTURES,NON-PLASTIC FINES <br /> SANDS SM <br /> SMALLER THAN WITH FINES <br /> NO.4 SIEVE SC NO. SANDS,SAND-CLAY MIXTURES,PLASTIC FINES <br /> INORGANIC SILTS,VERY FINE SANDS,ROCK FLOUR,SILTY <br /> ED N SILTS AND CLAYS ML OR CLAYEY FINE SANDS,SLIGHTLY PLASTIC CLAYEY SILTS <br /> -�Cn INORGANIC CLAYS OF LOW TO MEDIUM PLASTICITY, <br /> > <br /> LESSESSTHAN 50 LIQUID LIMIT IS CL GRAVELLY,SANDY,SILTS OR LEAN CLAYS <br /> w x OL ORGANIC SILTSAND ORGANIC CLAYSOF LOW PLASTICITY <br /> Z Z Lno <br /> :¢ao4 1NORGANICSILTS,MICACEOUSORDIATOM ACEOUSFINE <br /> F MH SANDY OR SILTY SOILS,ELASTIC SILTS <br /> [w-z LIQUID LIMIT IS SILTS AND CLAYS CH INORGANIC CLAYS OF HIGH PLASTICITY,FAT CLAYS <br /> g F¢z GREATER THAN 50 <br /> OH ORGANIC CLAYSOF MEDIUM TO HIGH PLASTICITY, <br /> ORGANIC SILTY CLAYS <br /> HIGHLY ORGANIC SOILS PT PEAT AND OTHER HIGHLY ORGANIC SOILS <br /> GRAIN SIZES <br /> BOULDERS COBBLES COAR GRAVEL <br /> RAVE FINE COARSE MEDFINE SILTS AND CLAYS <br /> 12" 3" 3/4" 4 10 40 200 <br /> CLEAR SQUARE SIEVE OPENING U.S. STANDARD SIEVE SIZE <br /> ADDITIONAL TESTS <br /> (OTHERTHAN TEST PITAND BORING LOG COLUMN HEADINGS) <br /> MAX-Maximum Dry Density PM-Permeability PP-Pocket Penetrometer <br /> GS-Grain Size Distribution SG-Specific Gravity WA-Wash Analysis <br /> SE-Sand Equivalent HA-Hydrometer Analysis DS-Direct Shear <br /> EI-Expansion Index AL-Atterberg Limits UC-Unconfined Compression <br /> CHM-Sulfate and Chloride RV-R-Value MD-Moisture/Density <br /> Content, pH, Resistivity CN-Consol i dati on M-Moisture <br /> COR-Corrosivity SC-Swell Compression <br /> OI-Organic Impurities <br /> FIGURE: BL1 <br />