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r � <br /> I UNIFIED SOIL CLASSIFICATION SYSTEM <br /> MAJOR DMSIONS �� GROUP NAME <br /> SVMeo� <br /> I GRAVEL CLEAN GRAVEL GW weu-cRnoe�c�uva.FirF to co�canvE� <br /> COARSE- <br /> GRAINED MortE Tww 5o%oF C,p roanWGRnoED GRAVEI <br /> COARSE FRAC710N <br /> $OIL$ RETAINED ON NO.4 GRAVEL . GM SILTY GRAVEL <br /> �� W�TH FINES <br /> IGC cwrEr crtnv�� <br /> ��� CLFAN SAND <br /> RETNNED ON SAP1D $W WELL-Gf7ADED SFND,FIFE i0 COMSE SNJD <br /> NO.200 SIEVE <br /> I <br /> SP rooa�vcr+noeo s�aao <br /> I MORE iW+N 50%OF <br /> coais�Frtncirora gAND <br /> PASSES NO.4 SIEVE yy�{FINES SM s��tt snrio <br /> I . � CIAYEV S4ND <br /> SILT AND CIAY INOR(dANIC ML siu <br /> FINE- <br /> I- GRAINED ����ournrt CL cur <br /> LESS TWVJ 5096 <br /> I. SOILS ORGANIC OL ORGAMC SILL ORF,M�C CL4Y <br /> nnorte nwN s�ss SILT AND CIAY INORG,MlIC s�u oF wc,r��wsncnv eusric s�u <br /> anssEs rio.20o si� MH <br /> �- LI9UID llMlf CH CIAY OF HIGH PlAS11CfIY.FAT CIAY <br /> 50%OR MOftE <br /> � ORGANIC OH oac.w�c cav aic,nwc s�u <br /> HIGHLY ORGANIC SOILS PT F'�N <br /> INOTES: <br /> SOIL MOISTURE MODIFIERS <br /> I1) Field classificatlon is based on Dry-Absence of rm�isture, dusty,dry <br /> vlsual examinatlon ot soll in general to the touch <br /> accordance wtth ASTM D 2488-93, Molst-Damp, buf no visible water <br /> I 2) Soll classlficatlon using lat�orafory <br /> tesis Is based on ASTM D 2487-43. Wet-Vlsible free wafer or sahuafed, <br /> 3) Descripflons of soll dsnslty or usually sc>II Is obtalned from <br /> conslstency are based on below water tohte <br /> Interpretatlon of biowcount dafa, <br /> visual appearance of solis, and/or <br /> tesf data. <br /> _l\ NELSON GEOTECHNICAL UNIFIED SOIL CLASSI�ICATION SYSTEM <br /> � JNG� ASSOCIATES, INC. <br /> GEOTECHNICAL ENGINEERS&GEOLOGISTS FIGURE 3 <br /> I �omp^YVq�dn11Yq20o2�oreiNawb+mWnlsoicl�s.edr �7 <br />� ■ <br />