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<br />c@ NUT11NG ENGINEERS SOIL CLASSIFICAnON CRITERIA <br /> <br />DElCRP1'IOlf OF COMPONENT PROPORnONS <br />PRo:.lION8 DE8CRIP11ON <br />0.5 SIIghIy rr8ce <br />1-10 TraOl <br />11-20 LItIIt <br />21-35 Some <br />38-50 And <br /> <br />,--, <br /> <br /> <br />\,--1 <br /> <br />rl, <br /> <br />t <br />t <br /> <br />RELATIVE QUALITY OF ROCKI QD · <br />RQ DEIc~nON <br />8-25 Very Poor <br />2s.ao Poor <br />50-75 F8i <br />75-10 Good <br />80-100 EIlcellent <br /> <br /> <br />PARneLE llZE DIS1RI8UT1ON <br /> <br />MATERIAL 1YPE <br />Boulder <br />CabbIe <br />Gravel <br />. Sn (Coanse) <br />Sand (MedIum CoarIe) <br />SInd (FIne) <br />811 <br /> <br />PAR 81ZE <br />>12Inche. <br />31nche. . 121nche1 <br />".75 mm - 3lnchea <br />2.00 RIm - 4.75 mm <br />0.421 nun - 2.00 mm <br />0.075 mm - 0.425 mm <br />0.005 mm - 0.075 mm <br /><0.005 mm <br /> <br /> <br />FINE-GAAINEO SOILS <br />(50~ Of mea of ma.rtlllI amaIlIf .... No. 200 .Ieft au.) <br />............"" 1M __, IIIClt <br />ML ~ ..,cI.,.,..... or..,., <br />... MIl ..... ........ <br />~... ...lrMea ......1IIIl <br />a. ~ flIMIf.,............ <br />-.,.. ...... . <br /> <br />OL 0rpnI0.... ........ a_ _... <br />low pia"" <br /> <br />MA1ER1AL TYPE <br /> <br />UNDRAINED 8H <br />STRENGTH <br /> <br />COHE81ONLE8S <br />IOU (lANDS) <br /> <br />-.-J <br /> <br />C! <br /> <br /><0.25 <br />0.25-0.5 <br />0.51-1.00 <br />1.01-2.00 <br />2.01....00 <br />>4.00 <br /> <br />LJ <br /> <br />COHESIVE SOilS <br />(11LnI & CLAYS) <br /> <br />n <br /> <br />LJ <br /> <br />n <br /> <br />ROCK <br /> <br />LJ <br /> <br />II <br /> <br />UNIFIED SOIL ClASSIFICATION SYSTEM <br /> <br />U <br />! <br />, <br /> <br /> <br />'. ~. <br /> <br />we <br /> <br />n <br /> <br />IILII <br />AND <br />CLAl'8 <br />UquId ... <br />.... .. <br />1ft <br /> <br />L.i <br /> <br />GRAVELl <br />.... ....IK <br />,,- <br />..... larger <br />lien Na. 4 <br />~.. <br /> <br />8_....... ............. ........ <br />GC a.)'fY...... .......... ., <br />......... . <br /> <br />(1 <br /> <br />LJ <br /> <br />f\ <br /> <br />LJ <br /> <br />ILII <br />. AND <br />ClAYI <br />~hIt <br />.... <br />or...... <br /> <br />(l <br /> <br />WI ......... ....1IMI1... <br />... no..... <br />. ~............._.... <br />.. ....... <br /> <br />u <br /> <br />lAND. <br />_.... <br />rrf_ <br />..... ..... <br />.... ...... <br />IIIn ... <br /> <br />1M ..,.............. <br /> <br />n <br /> <br />LJ <br /> <br />Ie -a.,., ...... .................. <br /> <br />n <br /> <br />CHARACTERllnC8 <br /> <br />RELATIVE DENSITY <br /> <br />CONSISTENCY <br /> <br />HARDNESS <br /> <br /> <br />DE8CRlP'nON <br />Vert . <br />Laaae <br />MedJum Den.. <br />Dlnae <br />Very Denae <br />Refuall <br />V., 80ft <br />80ft <br />firm <br />SlUr <br />Very SUfJ <br />Hlud <br />Very 8 <br />Soft <br />Medium HIrd <br />ModelWI)' Hard <br />Hard <br />V. Hard <br /> <br />1naIpnIo.... nalll.a.. or <br />...J1I.a........... or _..., <br />.... alia <br />....... ofNgII~, III <br />... . <br />0rIInID. d....... to high <br />-- ......... <br />. . p. ....orw-..ijh\i a;g.",c iciIi . .. <br /> <br />... .. ..-. - . ..___.... _... .0.... .. .. <br /> <br />-L-: <br />NaIr. ~l". ...", ClI8)wror Il/IIIIiv .. <br />[\ .... .., or.., <br />· ReI). (1'-....11 p/IaeI > 4' _, ClMVIh d.. run) x,an <br />L.i · I..,.,., ......011 T_ (IPT).....1e deItned . .. numblr cI btowI cia t40 ~ ......., falng "'-'Y hough . height of 3lI <br />Indln,...... II>> dM.1tandanS lilt......... '2 her. clln.lIlnllh drf\ll (ASTM OtAl) <br />