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5N_ml <br /> ` t 1. <br /> y <br /> WATERWORK <br /> METHOD S__ CLASSIFICATION <br /> NA�OR IIIVISIONS SYMBOLS <br /> TYPICAL NAMES <br /> Gu kELL GRADCR GRAVELS OR GPAVEL`SAND MIXTURES LITTLE OR NO FINES <br /> N GRA AVSGP POORLY GRAOCD GRAVLS GR WAVEL-SAND HIXTLRES,LITTLE OR HO TINES <br /> J <br /> w 04AN 112'r GM ' SILTY GRAVELS, GRAVEL-SAN4"SILT N18TURES <br /> C7 si <br /> Co E rI�I ) <br /> O n o AND-CLAY µIXTURi•.S <br /> w <br /> W.OMC4 SWCYE SLILY r CLAYEY GRAVELS.CftAVEL-S <br /> Z G.. o <br /> nOR NO FINES <br /> I. <br /> L7� SW <br /> VELL GRADED SA <br /> OR GRAVELY SANDS,LITTLE <br /> o SANDSTILL DR NO FINES <br /> N <br /> POORLY GRADED SANDS 13R GRAVELY SANDS.L] <br /> ] sP <br /> Q <br /> KSILT MIXTURES <br /> D0aC TNN1reTF SFS SILTY SANDS, <br /> (, CpWSt FPACI R1N[ <br /> N9.♦SSEvE V7Y Sc CLAYEY SANDS,SAla LAY WxYURES <br /> ; 1NCRGANIC SILTS AHp VERY FINE SANDS, ROCK iLOVCR, SILTY On LLAY£Y <br /> ML i'i, FINE SANDS DR CLAYEY SILTS YIIH SLICiiT pLAsnCITY <br /> SILTS LAYS ,I{ORGANIC CLAYS OF LOW TO KEDIUK PLASTICITY, GRAVELY CLAYS. <br /> p CL SANDY CLAYS,SILTY CLAYS, LEAN CLAYS <br /> N LL<SE) V PLAST]iOTY <br /> Q b OL ,�i, DRGANIC SILTS A140 ORGANIC SOLYY CLAYS aF LO <br /> Z •'`1 INORGANIC SILTS,MICACEOUS OR D14111HACECQUS FD+E SANDY OR SILTY <br /> MH SOILS ELASTIC SILTS <br /> ul a SILTS & CLAYS [NORGANIC CLAYS OF HIGH PLASTICITY, FAT CLAYS <br /> a CH <br /> �a MEDIUM. TO KIGH PLASTICITY,ORGANIC SILTY CLAYS <br /> �-, LL>50 if ORGANIC CLAYS <br /> C01 ORGANIC SILTS <br /> � PEAT ANO OTHER 1ifGSL.Y LfEGA=aC SOILS <br /> HIGHLY ORGANIC SOILS Pt <br /> CLASSIFICATION CHART <br /> ( UNIFIED SOIL CLASSIFICATION SYSTEM ) <br /> RANGE OF GRAIN SIZES <br /> SANDS AND GRAVELS 3LOVS/FCM <br /> US,Sl BARD GRAIN SIZE 0 - 4 <br /> CLASSIFICATIELI SIEVE SIZE IN WLLIF£TERS VERY LZOSE <br /> LOOSE 4 - 10 <br /> AapVE [2' ABOVE 73• 10 - 30 <br /> Bbl1LDERS FEpiUH CENSE <br /> 365 TO 76.2 DENSE 30 - % <br /> C132BLES 12' TO 3• OVER 50 <br /> VERY DENSE: <br /> GRAVEL 3• TO NO. 4 76.Z TO 762 TO 191 <br /> 4.7 <br /> COARSE a• TO I/4• RELATIVE DENSITY <br /> FINE <br /> 3/4' 10 NO. 19.1 TO 4.7G <br /> SANG Mil 4 TO Na 270 4.760 TO 0074 <br /> SILTS AND CLAYS BLOVS/FOOT <br /> IID. 4 TO NO, 10 4.7(0 TO 2 O0 VERY SIFT 0 - 2 <br /> COARSE MI 10 TO NO. 40 2.000 TO M420 SOFT 2 4 <br /> NEDIUN N0. 40 TII NEI. 200 x420 TO 0474 <br /> FINE MEDIUM STIFF 4 - B <br /> STIFF 0 - I6 <br /> 3Z <br /> SILT & CLAY 90. [ELOV 0474 <br /> GV NO. 296 VERY STIFF 16- <br /> .. HARD OVER 32 <br /> GRAIN SIZE. CHART <br /> . D HAMMER FALLING 30 INCHES TO DRIVE A CONSISTENCY <br /> NUMBER OF BLOVS OF 140 T'C1UN <br /> (ASTM D-1586) <br /> 2 INCH 0.D• (1-3/8 INCH I.W SPLIT SPOON . PAGE OF, <br /> f <br />