Laserfiche WebLink
SOIL CLASSIFICATION CHART ADDITIONAL MATERIAL SYMBOLS <br /> MAJOR DIVISIONS SYMBOLS TYPICAL SYMBOLS TYPICAL <br /> GRAPH LETTER DESCRIPTIONS GRAPH LETTER DESCRIPTIONS <br /> CLEAN 0�� o GW WELL-GR4DED GRAVELS, <br /> GR,4VEL-SANDMIXTURES AC AsphaltConcrete <br /> GRAVEL GRAVELS <br /> AND <br /> GR.4VELLY (LIrr�EORraoFINEs) 000� GP POORLY-GRADEDGRAVELS, � � � <br /> SOILS O O GR;IVEL-SANDMIXTURES /\�\��\ <br /> i i ii CC Cement Concrete <br /> r�i�ii� <br /> COARSE GRAVELS WITH SILTY GR4VELS,GRAVEL-SAND <br /> MORETHAN50% GM -SILTMIXTURES <br /> GRAWED oFcoaRse FWES G.R Crushed Rock/ <br /> soi�s FRncr�or� Quarry Spalls <br /> RE��AiNEo ON NO. ��PREcina�E nMouNr CLAYEY GR4VELS,GRAVEL- <br /> 4 SIEVE O�FltJES) � GC <br /> SAND-CLAY MIXTURES <br /> �S Topsoil/ <br /> Forest Duff/Sod <br /> SW VJEIL-GRADEDSAN�S, <br /> CLEAN SANDS GRAVELLY SANDS <br /> rnoREiHt,nsoi SAND .— <br /> RETAINEDCNNO. ANp (LITTLEORNOFlNES) Groundwater Contact <br /> 2oD5iEvc SANDY SP POORLY-GR4DEDSANDS, <br /> soi�s GR4VELLYSAND � Measured groundwater level in <br /> _ exploration,weil,or piezometer <br /> MORE THAN 50% SANDS VNTH SM SILTY SANDS.SAND-SILT <br /> OFCOARSE FINES MIXTURES � Measured free product in well or <br /> FRACTION <br /> � PASSINGN0.4 _ p�QZQmQtQ� <br /> SIEVE �qpprtECi�,s�Ea.�ouNT ' SC CLAYEYSANDS,SAND-CLAY <br /> c.=ua_s� MIXTURES <br /> Graphic Log Contact <br /> INORGANIC SILTS,ROCK <br /> ML FLOUR,CIAYEYSILTSWITH Distinct contact between soil strata or <br /> SLIGHT PLASTIGTY <br /> INORGANICCLAYSOFLO\^JTO geologic units <br /> SILTS Lu]Ui�LI`d1T CL MEDIUM PLASTICITY,GRAVELLY <br /> FINE AND LESS THaN 50 CLAYS,SANDY CLAYS,SILN Approximate location of soil strata <br /> GRAINED c�vs CLAYS,LEAN CLAYS change within a geologic soil unit <br /> SOILS ORGANIC SILTS AND ORGANIC <br /> OL SILTY CLSYS OF LOW <br /> PwsT���n Material Description Contact <br /> MORE THAN 5D%. INORGANIC SILTS,MICACEOUS <br /> PASSINGNo_2oa I I MH ORDIATOMACEOUS SILTY Distinct contact between soil strata or <br /> Si�vE SOILS <br /> geologic units <br /> SILTS Li�UiC I.IMIT � � INORGl�NIC CLAYS OF HIGH <br /> AND �REA,F�T,,�Nso , , CH P�a,snarr Approximate location ofsoil strata <br /> c�,avs change within a geo�ogic soil unit <br /> OH ORGANICCLAYSANDSILTSOF <br /> MEDIUM TO HIGH PLASTICIN <br /> HIGHLY ORGANIC SOILS Pj P�T,HUMUS,SWAMP SOILS <br /> _ _ = WITH HIGH ORGANIC <br /> CONTENTS <br /> NOTE: Multiple symbols are used to indicate borderline or dual soil classifcations Laboratory/ Field Tests <br /> Sam ler S mbol Descri tions %F Percent fines <br /> P Y p AL Atterberg limits <br /> � CA Chemical analysis <br /> 2.4-inch I.D.split barrel CP Laboratory compaction test <br /> � CS Consolidation test <br /> Standard Penetration Test(SPT) DS Direct shear <br /> ■ HA Hydrometer analysis <br /> Shelby tube MC Moisture content <br /> MD Moisture content and dry density <br /> � Piston OC Organic content <br /> PM Permeability or hydraulic conductivity <br /> � Direct-Push PI Plasticity index <br /> PP Pocket penetrometer <br /> � Bulk or grab PPM Parts per million <br /> SA Sieve analysis <br /> TX Triaxial compression <br /> UC Unconfined compression <br /> Blowcount is recorded for driven samplers as the number VS Vane shear <br /> of blows required to advance sampler 12 inches(or <br /> distance noted). See exploration log for hammer weight Sheen Classification <br /> and drop. <br /> NS No Visible Sheen <br /> A"P"indicates sampler pushed using the weight of the SS Slight Sheen <br /> drill rig. MS Moderate Sheen <br /> HS Heavy Sheen <br /> NT Not Tested <br /> NOTE:The reader must refer to the discussion in the report text and the logs of explorations for a proper understanding of subsurface <br /> conditions. Descriptions on the logs apply only at the specific exploration locations and at the time the explorations were made;they are <br /> not warranted to be representative of subsurface conditions at other locations or times. <br /> • KEY TO EXPLORATION LOGS <br /> GEOENGINEER�J /// FIGUREA-1 <br /> �� <br />