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Y <br /> UNIFIED SOIL CLASSIFICATION-ASTM D2487.85 <br /> MAJOR DIVISIONS TYPICAL NAMES <br /> WELL GRADED GRAVELS WITH OR <br /> CLEAN GRAVELS WITH GW 'o WITHOUTSAND,LITTLE OR NO FINES <br /> GRAVELS LITTLE OR NO F!NES q• POORLY GRADED GRAVEL WITH OR <br /> JCc .GP p- WITHOUT SAND.LITTLE OR NO FINES <br /> 0-, MORE THAN HALF SILTY GRAVELS,SILTY GRAVELS I <br /> COdy COARSE FRACTION GRAVELS WITH OVER GM WIT14SAND <br /> C 8w IS LARGER THAN <br /> 12%FINES CLAYEY GRAVELS,CLAYEY <br /> N <br /> z o No.4 SIEVE SIZE GCGRAVELS WITH SAND <br /> a¢"' .1.4WELL GRADED SANDS WITH OR WITHOUT <br /> (5=i SW •� GRAVEL,LITTLE OR NO FINES <br /> W <br /> CLEAN SANDS WITH <br /> �i SANDS LITTLE OR NO FINES POORLY GRADED SANDS WITH OR <br /> �r Sp WITHOUT GRAVEL,LITTLE OR NO FINES <br /> 6Q <br /> ra 2 MORE THAN HALF ': SILTY SANDS WITH OR <br /> U COARSE FRACTION SANDS WITH OVER SM 11. WITHOUT GRAVEL <br /> IS SMALLER THAN 1251.FINES CLAYEY SANDS WITH OR <br /> No.A SIEVE SIZE SC ' ' WITHOUT GF'AVEL <br /> INORGANIC SILTS AND VERY FINE SANDS,ROCK <br /> SILTSAND CLAYS ML FLOUR,SILTS WITH SANDS AND GRAVELS <br /> INORGANIC CLAYS OF LOW TO MEDIUM PLASTICITY, <br /> J zw CL CLAYS WITH SANDS AND GRAVELS,LEAN CLAYS <br /> N mw LIQUID LIMIT 50"/OR LESS <br /> ORGANIC SILTS OR CLAYS <br /> O=N OL i OF LOW P!ASTICITY <br /> w o <br /> :a INORGANIC SILTS.MICACEOUS OR DIATOVACIOUS, <br /> �az° IUIH FINE SAVDY OR SILTY SOILS,ELASTIC SILTS <br /> ��4 SILTS AND CLAYS INORGAM0 CLAYS OF HIGH <br /> Z¢:s- CH PLASTICITY,FAT CLAYS <br /> LLLIpUID LIMIT GREATER THAN 5050 ORGANIC SILTS OR CLAYS <br /> OH OF MEDIUM TO HIGH PLASTICITY <br /> PEATAND OTHER HIGHLY <br /> HIGHL�eORGANICSOILS ORGANIC SOILS . <br /> KEY TO TEST DATA <br /> Shear S-rength{pst) <br /> M(80) Moisture Content(°ro) I 1 ConGnmg Pressure <br /> DD(105) - Dry Density(pd) TxUU 3200 (2600) Unconsolidated Undrained Triaxial Shear <br /> Penn - Permeability (FM)or(S) (field moisture or saturated) <br /> Consol - Consolidation TxCU 3200 (2E00) Consolidated Undrained Triaxial Shear <br /> LL - Liquid Limit(%) (P) (with or without pore pressure measurement) <br /> PI Plasticity 1-1dex(90) TxCD 3200 (2600) Consolidated Drained Triaxial Shear <br /> Gs - Specific Gravity SSCU 3200 (2600) Simple Shear Consolidated Undrained <br /> MA - Particle Size Analysis (P) (with or without pore pressuro measurement) <br /> OC - Organic Content SSCO 3200 (2600) Simple Shear Consolidated Drained <br /> - "Undisturb:ad'Sample DSCD 2700 (2000) Consolidated Drained Direct Shear <br /> ® Bulk or Classification Sampie UC 470 Unconfined Compression <br /> LVS 700 Laboratory Vane Shear <br /> Soil C12ssificatlon Chart PLATE <br /> Harding Lawson Associates and Key to Test Data <br /> Engineer"ng and Cozad Trailers <br /> ' Environmental Services _ A907 East Waterl0o_Road_ <br /> Stocklon,California <br /> DRAWN JOE NUMBER P OVED DATE REVISED DATE - <br /> RHC 20548,001.03 8116191 . <br />