Laserfiche WebLink
Poorly-Graded Gravelly Sand <br />>50% OF COARSE <br />FRACTION PASSES <br />ON NO 4. SIEVE <br />WELL-GRADED GRAVEL <br />POORLY-GRADED GRAVEL <br />SILTY GRAVEL <br />CLAYEY GRAVEL <br />WELL-GRADED SAND <br />POORLY-GRADED SAND <br />SILTY SAND <br />CLAYEY SAND <br />LEAN CLAY <br />SILT <br />ORGANIC CLAY OR SILT <br />FAT CLAY <br />ELASTIC SILT <br />ORGANIC CLAY OR SILT <br />* <br />NUMBER OF BLOWS OF 140 LB HAMMER FALLING 30 INCHES TO DRIVE A 2 INCH O.D. <br />(1-3/8 INCH I.D.) SPLIT-BARREL SAMPLER THE LAST 12 INCHES OF AN 18-INCH DRIVE <br />(ASTM-1586 STANDARD PENETRATION TEST). <br />* <br />Modified California (2.5" I.D.) <br />Well-Graded Gravel <br />with Clay <br />- <br />- <br />- <br />- <br />- <br />Boulders and Cobble <br />Artificial/Undocumented Fill <br />Asphalt <br />GW <br />GP <br />GM <br />GC <br />SW <br />SP <br />SM <br />SC <br />CL <br />ML <br />OL <br />CH <br />MH <br />OH <br />Well-Graded Gravel <br />with Silt - <br />CLEAN GRAVELS <br /><5% FINES <br />GRAVELS WITH FINES <br />PRIMARILY ORGANIC MATTER, DARK IN COLOR, AND ORGANIC ODOR <br />>12% FINES <br />*UNDRAINED SHEAR STRENGTH IN KIPS/SQ. FT. AS DETERMINED BY LABORATORY <br />TESTING OR APPROXIMATED BY THE STANDARD PENETRATION TEST, POCKET <br />PENETROMETER, TORVANE, OR VISUAL OBSERVATION. <br />Well Graded Gravelly Sand <br />ADDITIONAL TESTS <br />Gravelly Silt <br />HIGHLY ORGANIC SOILS <br />CO <br />A <br />R <br />S <br />E <br />- <br />G <br />R <br />A <br />I <br />N <br />E <br />D <br /> <br />S <br />O <br />I <br />L <br />S <br />>5 <br />0 <br />% <br /> <br />R <br />E <br />T <br />A <br />I <br />N <br />E <br />D <br /> <br />O <br />N <br />NO <br />. <br /> <br />2 <br />0 <br />0 <br /> <br />S <br />I <br />E <br />V <br />E <br />FI <br />N <br />E <br />- <br />G <br />R <br />A <br />I <br />N <br />E <br />D <br /> <br />S <br />O <br />I <br />L <br />S <br />>5 <br />0 <br />% <br /> <br />P <br />A <br />S <br />S <br />E <br />S <br />NO <br />. <br /> <br />2 <br />0 <br />0 <br /> <br />S <br />I <br />E <br />V <br />E <br />"A "L I N E <br />PEAT <br />SILTS AND CLAYS <br />LIQUID LIMIT<50 <br />SILTS AND CLAYS <br />Clayey Sand <br />LIQUID LIMIT>50 <br />Silt <br />Sand <br />OTHER MATERIAL SYMBOLS <br />LIQUID LIMIT (%) <br />CH <br />CL OH & MH <br />- <br />- <br />CLEAN SANDS <br /><5% FINES <br />SANDS AND FINES <br />>12% FINES <br />INORGANIC <br />>50% OF COARSE <br />FRACTION RETAINED <br />ON NO 4. SIEVE <br />SOIL GROUP NAMES & LEGEND <br />SWELL TEST <br />CYCLIC TRIAXIAL <br />TORVANE SHEAR <br />UNCONFINED COMPRESSION <br />PLASTICITY CHART <br />CL-ML <br />SANDS <br />No Recovery <br />PLASTICITY INDEX <br />0 - 0.25 <br />0.25 - 0.5 <br />0.5-1.0 <br />1.0 - 2.0 <br />2.0 - 4.0 <br />OVER 4.0 <br />(RECORDED AS BLOWS / FOOT) <br />VERY SOFT <br />SOFT <br />MEDIUM STIFF <br />STIFF <br />VERY STIFF <br />HARD <br />0 - 2 <br />2 - 4 <br />4 - 8 <br />8 - 15 <br />15 - 30 <br />OVER 30 <br />0 - 4 <br />4 - 10 <br />10 - 30 <br />30 - 50 <br />OVER 50 <br />SILT & CLAY <br />PENETRATION RESISTANCE <br />SAND & GRAVEL <br />VERY LOOSE <br />LOOSE <br />MEDIUM DENSE <br />DENSE <br />VERY DENSE <br />PT <br />WATER LEVEL <br />BLOWS/FOOT*CONSISTENCYBLOWS/FOOT*RELATIVE DENSITY <br />Topsoil <br />PL <br />A <br />S <br />T <br />I <br />C <br />I <br />T <br />Y <br /> <br />I <br />N <br />D <br />E <br />X <br /> <br />( <br />% <br />) <br />Sandy Silt <br />Poorly-Graded Sand <br />with Clay <br />UNIFIED SOIL CLASSIFICATION (ASTM D-2487-98) <br />Figure Number <br />A-1 <br />FINES CLASSIFY AS ML OR CL <br />FINES CLASSIFY AS CL OR CH <br />PI>7 AND PLOTS>"A" LINE <br />PI>4 AND PLOTS<"A" LINE <br />LL (oven dried)/LL (not dried)<0.75 <br />PI PLOTS >"A" LINE <br />PI PLOTS <"A" LINE <br />LL (oven dried)/LL (not dried)<0.75 <br />0 <br />10 <br />20 <br />30 <br />40 <br />50 <br />60 <br />70 <br />80 <br />Cu>4 AND 1<Cc<3 <br />Cu>4 AND 1>Cc>3 <br />FINES CLASSIFY AS ML OR CL <br />FINES CLASSIFY AS CL OR CH <br />Cu>6 AND 1<Cc<3 <br />Cu>6 AND 1>Cc>3 <br />ORGANIC <br />INORGANIC <br />ORGANIC <br />GRAVELS <br />0 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />CHEMICALANALYSIS (CORROSIVITY) <br />CONSOLIDATED DRAINED TRIAXIAL <br />CONSOLIDATION <br />CONSOLIDATED UNDRAINED TRIAXIAL <br />DIRECT SHEAR <br />POCKET PENETROMETER (TSF) <br />(WITH SHEAR STRENGTH IN KSF) <br />R-VALUE <br />SIEVE ANALYSIS: % PASSING <br />#200 SIEVE <br />MATERIAL <br />TYPES CRITERIA FOR ASSIGNING SOIL GROUP NAMES <br />GROUP <br />SYMBOL <br />CA <br />CD <br />CN <br />CU <br />DS <br />PP <br />(3.0) <br />RV <br />SA <br />Shelby Tube <br />LEGEND TO SOIL <br />DESCRIPTIONS <br />UU UNCONSOLIDATED <br />UNDRAINED TRIAXIAL <br />(WITH SHEAR STRENGTH <br />IN KSF) <br />SW <br />TC <br />TV <br />UC <br />(1.5) <br />PI <br />SAMPLER TYPES <br />SPT <br />STRENGTH** (KSF) <br />Rock Core Grab Sample <br />10 20 30 40 50 60 70 80 90 100 110 120 <br />Ii! <br />........ .v <br />V <br />...... v <br />V <br />,.....v <br />I/ <br />CORNERSTONE <br />EARTH GROUP <br />·:.·:.:-··:·:·. <br />I ----- ------ - <br />_y_