Laserfiche WebLink
MAJOR DIVISIONS <br />SYMBOLS <br />TYPICAL <br />DESCRIPTIONS <br />GRAPH <br />LETTER <br />COARSE <br />GRAINED <br />SOILS <br />MORE THAN 50% <br />OF MATERIAL IS <br />LARGER THAN <br />NO. 200 SIEVE <br />SIZE <br />GRAVEL <br />AND <br />GRAVELLY <br />SOILS <br />MORE THAN 50% <br />OF COARSE <br />FRACTION <br />RETAINED ON NO. <br />4 SIEVE <br />CLEAN <br />GRAVELS <br />(LITTLE OR NO FINES) <br />' i. <br />• b'• , <br />• ..• <br />Gw <br />WELL- GRADED GRAVELS, GRAVEL - <br />SAND MIXTURES, LITTLE OR NO <br />FINES <br />Q� ; Q° <br />o p 0, <br />• 00 0 O. <br />• <br />Gp <br />POORLY - GRADED GRAVELS, <br />GRAVEL - SAND MIXTURES, LITTLE <br />ORNOFINES <br />GRAVELS WITH <br />FINES <br />(APPRECIABLE <br />AMOUNT OF FINES) <br />QVO <br />0 <br />o' <br />. <br />II o �� <br />- <br />D A <br />a <br />- <br />GM <br />SILTY GRAVELS, GRAVEL - SAND - <br />SILT MIXTURES <br />, , , Jp � , <br />A '/ 0 <br />, 4-r A <br />�J� ♦• / <br />GC <br />CLAYEY GRAVELS, GRAVEL - SAND - <br />CLAY MIXTURES <br />SAND <br />AND <br />SANDY <br />SOILS <br />MORE THAN 50% <br />OF COARSE <br />FRACTION <br />PASSING ON NO. <br />4 SIEVE <br />CLEAN SANDS <br />(LITTLE OR NO FINES) <br />• :;•: <br />SW <br />WELL- GRADED SANDS, GRAVELLY <br />SANDS, LITTLE OR NO FINES <br />:: • <br />Sp <br />POORLY- GRADED SANDS, <br />GRAVELLY SAND, LITTLE OR NO <br />FINES <br />SANDS WITH <br />FINES <br />(APPRECIABLE <br />AMOUNT OF FINES) <br />SM <br />SILTY SANDS, SAND - SILT <br />MIXTURES <br />: <br />SC <br />CLAYEY SANDS, SAND - CLAY <br />MIXTURES <br />FINE <br />GRAINED <br />SOILS <br />MORE THAN 50% <br />OF MATERIAL IS <br />SMALLER THAN <br />NO. 200 SIEVE <br />SIZE <br />SILTS <br />LIQUID LIMIT <br />AND LESS THAN 50 <br />CLAYS <br />ML <br />INORGANIC SILTS AND VERY FINE <br />SANDS, ROCK FLOUR, SILTY OR <br />CLAYEY FINE SANDS OR CLAYEY <br />SILTS WITH SLIGHT PLASTICITY <br />CL <br />INORGANIC CLAYS OF LOW TO <br />MEDIUM PLASTICITY, GRAVELLY <br />CLAYS, SANDY CLAYS, SILTY <br />CLAYS, LEAN CLAYS <br />- - - <br />OL <br />ORGANIC SILTS AND ORGANIC <br />SILTY CLAYS OF LOW PLASTICITY <br />SILTS <br />AND LIQUID LIMIT <br />CLAYS GREATER THAN 50 <br />MH <br />INORGANIC SILTS, MICACEOUS OR <br />DIATOMACEOUS FINE SAND OR <br />SILTY SOILS <br />CH <br />INORGANIC CLAYS OF HIGH <br />PLASTICITY <br />�nnr <br />leiews wswrini <br />vesies <br />.r <br />OH <br />ORGANIC CLAYS OF MEDIUM TO <br />HIGH PLASTICITY, ORGANIC SILTS <br />HIGHLY ORGANIC SOILS <br />0 / . / 0 s I <br />I, �! Lz � a <br />PT <br />PEAT, HUMUS, SWAMP SOILS WITH <br />HIGH ORGANIC CONTENTS <br />SOIL CLASSIFICATION CHART <br />NOTE: DUAL SYMBOLS ARE USED TO INDICATE BORDERLINE SOIL CLASSIFICATIONS <br />