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1 <br /> t <br /> CAL 4230 Kiernan Avenue,Ste 150 1 Modesto,CA 95356 1 209.543.1799 1 Fax 209.543.1775 <br /> DEFINITION OF TERMS <br /> PRIMARY DIVISIONS SYMBOLS SECONDARY DIVISIONS <br /> GRAVELS CLEAN WELL GRADED GRAVELS,GRAVEL-SAND MIXTURES <br /> GW . LITTLE OR NO FINES <br /> MORE THAN GRAVELS _ <br /> HALF OF <5%FINES , GP POORLY GRADED GRAVELS OR GRAVEL SAND MIXTURES, <br /> a x COARSE LITTLE OF NO FINES <br /> FRACTION IS SILTY GRAVELS,GRAVEL-SAND-SILT MIXTURES, <br /> " W LARGER THAN GRAVELS <br /> GM NON-PLASTIC FINES <br /> .1111 MI <br /> Z Z¢W NO.4 SIEVE WITH FINES - GC CLAYEY GRAVELS,GRAVEL-SAND-CLAY MIXTURES, <br /> PLASTIC FINES <br /> WELL GRADED SANDS,GRAVELLY SANDS,LITTLE OR NO <br /> p ~o SANDS CLEAN S W z FINES <br /> MORE THAN SANDS <br /> HALF OF <5%FINES POORLY GRADED SANDS,GRAVELLY SANDS,LITTLE OR <br /> 0 z COARSE SP NO FINES <br /> V FRACTION IS SANDS SM SILTY SANDS,SAND-SILT MIXTURES,NON-PLASTIC FINES <br /> SMALLER THAN WITH FINES <br /> NO.4 SIEVESC CLAYEY SANDS,SAND-CLAY MIXTURES,PLASTIC FINES <br /> INORGANIC SILTS,VERY FINE SANDS,ROCK FLOUR,SILTY <br /> w W SILTS AND CLAYS ML OR CLAYEY FINE SANDS,SLIGHTLY PLASTIC CLAYEY SILTS <br /> O a INORGANIC CLAYS OF LOW TO MEDIUM PLASTICITY, <br /> p k a W LIQUID LIMIT IS CL <br /> a LESS THAN 50 GRAVELLY,SANDY,SILTS OR LEAN CLAYS <br /> A x Ei <br /> ORGANIC SILTS AND ORGANIC CLAYS OF LOW PLASTICITY <br /> INORGANIC SILTS,MICACEOUS OR DIATOMACEOUS FINE <br /> SANDY OR SILTY SOILS,ELASTIC SILTS <br /> Z SILTS AND CLAYS INORGANIC CLAYS OF HIGH PLASTICITY,FAT CLAYS <br /> LIQUID LIMIT ISGREATER THAN 50 ORGANIC CLAYS OFMEDIUM TO HIGH PLASTICITY,ORGANIC SILTY CLAYS <br /> HIGHLY ORGANIC SOILS PEAT AND OTHER HIGHLY ORGANIC SOILS <br /> GRAIN SIZES <br /> BOULDERS COBBLES GRAVEL I SAND SILTS AND CLAYS <br /> COARSE I FINE I COARSE I MEDIUM I FINE <br /> 12" 3" 3/4" 4 10 40 200 <br /> CLEAR SQUARE SIEVE OPENING U.S. STANDARD SIEVE SIZE <br /> ADDITIONAL TESTS <br /> (OTHER THAN TEST PIT AND 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-Consolidation M-Moisture <br /> COR-Corrosivity SC- Swell Compression <br /> OI-Organic Impurities <br /> FIGURE: BL1 <br />