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' � D scriptive Terminology of Soil <br /> d Standard D 2487 • 00 <br /> ,ju'�/ Classification of Soils for Engineering Purposes <br /> , . .., (Unified Soil Classification System) <br /> Crrtena�or Assi n�n Grou S mbols e�d Sods Classlfiution PaAitle Siie IdentifiCat�on <br /> 9 9 P Y ---T-------- – <br /> Group Names Usmg LaDoratory Testt' roup Hcultlers uver 12- <br /> S mbal� Group Name` CoDb�es 3 to 12' <br /> � � Gravels Clean Grsvels C,�4 a�o�S C�< 3� yy y��i_ Gravei <br /> � g�aoea g�avei <br /> – o Mae tnan SC:.o� 5� c;r iess 4nes� -- ��« 3�� �0 3' <br /> ,°� � � caarse fracl�on __ C,��anCfor� a C >J` P � v�,iy g�aaea qravN' F,n� No �ro 3�,' <br /> � � � retained o� Grsvels with Fines F mes class� as Ml�a MH M S,R yLavei ' � Sand <br /> c N No 4 s�eve More IAan�2°<hr�es' Fmea Uass�h as CL o�CH C Cla e �ravei''� Coar� No 4 to No �0 <br /> Q,�� Sands hAedwm No �D to No 40 <br /> Clean Sands C�2 6 and� �,C� S�` W Wplt•gra0ed sana Fme No a0 ro No 200 <br /> d q o 50%or more or 5°•or Ipss hnes' c <br /> � = Z coa�se�raaw� G�<6 an0/or t >C�>J P Poony graoed sand S�1 �No 200 PI<�or <br /> � °' Sands with Fines F��s class�ly as ML or MN �t M beiow�A�une <br /> � � passes Sdry sand'�' Clay <No 200 P12 1 and <br /> E No a S�ve � hlcre than 12`e' f�nes c�ass�fy as Cl or CH C Cla e sanC� on or above A' h�e <br /> � PI>7 and piots an or aDore'a ur�e� L ! lean Ga ' <br /> _ -- SiNa snd Clays �norganK --- --- Relative Densi o( <br /> a Pi<a or ptocs bebw'A ime� L <br /> 0 o a+ Lpwd I�mi S�tl' (Y <br /> '� � ' � L wd��mrt oven qr�J � O� amc c�a Cohesionless Soils <br /> � q g� i �ess than 57 OrganK p r p 75 9 Y� <br /> c a o � l uw i�mi� noi dr� � Oigamt 5�8' - Very�oose 0 to e BPF <br /> w QN —� PI p�ots on or above`A'une N i Fa;clay' �0�� S lo tU BPF <br /> o,E Sltts and clays InorganK <br /> e <br /> PI prots oelow A"r��e H � Med�um oense t i to 30 BPf <br /> b � Z LiQuitl umrt ' E�astic 5�1.' <br /> c -- Dense 3�to 50 BPF <br /> 50 a more li0wd bmrt-ov2n tlr�f Or anK r.ta <br /> ii�` � OrganiG � � p;5 i H 9 Y 1Aery dense ovef 50 BPF <br /> � � L� uKl limR�npltlnetl H Or arnc sitt' " <br /> Highly Organ�c Solls Pn�rdy argamc matler CarM m cobr antl orgamc odor T Peat ConeiStency of Cot►esive SOilf <br /> e fS85POM:11C'ndllrWG��'�G�••� '''rY��SlvE V2(YSOh '�1OI BP� <br /> r n r�e�a samok coMw�ea:dw�es o ..� .F,s a odr ,on w nn��Y a ooutars a eom w qroyb�s�P Soh 2 to 3 BPF <br /> c C = Dk:D., C =�u�� RathBr soN S l0 5 BPF <br /> p. .Dt Medwm 6 to b BPF <br /> y M soa corrans2 t 5'�santl aw w.M san0��rywF�e <br /> Rather shR 4 l0 12 BPf <br /> c G/aveN wtn�ic'7'4'nes rrX.re a.a�Y�nbds �� S1tM 13 l0 14 BPF <br /> GvµGM wa;i qrewa poVe�we^s.r, i VEry SUH 17 t0 30 BPF <br /> Gw GC well�yrsdq,�r�rp�wM n!r H8/0 over 30 BPf <br /> GP.GM uoo��r asoeo���r.,m.,�� <br /> GP-GC Goati 9raaeC yra.e�wqr.day <br /> } M��+es cvss��»Cl Mt ..x aw'svmDcw GC-GM w SC SM <br /> g M�neaaravpa^c aCc��maqan,c�,n�y:ooroup^sms i <br /> n n so��conq�ns 2 t5x q�a.e� soa rm+�rare� ro praq^amE � <br /> , $�vJs+v�n S to 17 w�r+es n�x.�re n�s>f mppy <br /> sw sM w!�QU4lO 5iM w1�Sd' Orilling Notes <br /> SNCSf. �.ec�qsoea sr�c we�cuti Stacda�o pe��:etrabon tesi oonngs were a0vancetl by 3 1!1 cr 6 tl�� <br /> SP'S�'n °°°"��'°�°'a�'°`"""r IL'hWl�w-srem augers��nless noted olherw+se Jelhng wa�e�was usetl <br /> SP sC wa�r c�sa.a.a��a+�n car to Gean out auger prp� to sampl�ng only where mC�cafed on logs <br /> � tl Aneiperp�wnrts O�a�n N�cI�M A w fo��s a Cl Ml a+ny ua� <br /> ► pa.w�wn,c,c2�koR.sr�:;�G aoa��msrq�« wrtrq�a�e�wn�vers;r000mrw� Stantlard penelrai�on test bonnps are oesignated by tne pre/a �ST- <br /> � u sai cems�a.�ws No:�o v.aa^.wvr�s.�a aaa sarwti royraq nr�,e ISD���tuCeJ An samp�es were taken w+In the standaro 2'00 spl�1-lube <br /> m MsWcdAen5230'+bCV7Nc:oo�eea+�.w�ropa�e:aoa�r�veuy waouo�,a�+�e i. sam �er ex� <br /> n Pt 2 4 ano piots on ar at�ore A �w�e li P ..eW whe�E notCtl <br /> c Pi<�a pias Oebw R �me Powe�auger bo�mga were ativancea by 4 or 6 d�amele�conhnuous- <br /> � =��rns o�a aoo�e a �-e fl�ght so1W-s�em augers Sa1 cfeud�cstw�s anA strata aepths were in- <br /> v ���c ca>ae� n � ierrea trom a�s�u�betl sampies augered to the suAace ana are theretore <br /> 60 <br /> somewhat approwmate Pp,�r auger bwrtigs are deapnated by 1ne <br /> � D�eha'B <br /> I <br /> 50 ; _ '' Mantl auger bor�ngs were advancetl manually wdn a 1 trZ or 3 1!�' <br /> ! �. � aameter auper antl were brrHtetl to t�e deplh from wh�ch t�e euper couW <br /> � :J ' � �;c be manuilly wifhOrawn Na�d au9a bonngs are md�cated Dy tnc prefi: <br /> a 40 i I _ H <br /> x I O� <br /> � � �� G�` BPF: NumDers mdicate blows per tppt reCorCeO m slanCartl penelra[qn <br /> � 30 j � !es! aiso knpwn as'N velue The samplet wa5 set 6 mto untlisturbed <br /> �. � � I � s�i be�ow Me hdlpw•atem auyer Orrv�np resistarxe�were�hen countetl <br /> '� � � +e�second and tn�rd 6"mcrements and a0tletl to pet BPF Where they <br /> ' ' �' oinereC s� nAecan the are re np <br /> � 20 --�-- 9 uY Y P«1ed m Ihe lolbwi brm 2rt 2 for the <br /> � I � �� { secona ara tMro 6 mcrements �especuvely <br /> a ,' G�' MH or OH <br /> ' WH: WH rnC�Ca�es Ih!Sampler penetr8letl s0U urN7er we�ht ol hammer <br /> 10 -- --- . i ---+ � a„d rotls alo�e tlnvinq not requrrea <br /> 7 _ ' <br /> � c� ,M� � ML or OL � <br /> I � � I WR VdR�ntl�cates Me sampie�penetrate0 aa�unCer we�ght o1 roCs <br /> � . � 1 � ' d�ane �amner we�ghl anC Ohwng nol rgpuired <br /> 0 10 16 20 30 s0 50 60 7Q BO 90 100 1 0 <br /> TW,no�Wtes tn�n.watletl Iuncf�swrbeC>tube sample <br /> Lipuid Um�t�LL► <br /> Laboratory Tests No�e. Au rests aere run�n ge�era�accoroance v�nm apW�ce��e ASTM <br /> s�a�uaros <br /> OD [1 y dE�;s�h Cc' OC Org3n�c Can(?nI ` <br /> WD We�oens�q pcl S Percem o�saturet�on < <br /> MC Nawrai�+o�sture contem SG Soec��c gravrtv <br /> lL L�o�wtl iimd `�� C CQneS�on pgf <br /> PL Plashc umn � (� Ang1e Of internai tncRon <br /> Pi Plast�c�sy ��tler , qu U�conGnec!compress�ve strength,psl <br /> P200 �< passmg 200 s�eve qp Pockel <br /> �nCtromellr Str@ngth tSt <br /> Rer 1,C <br />