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<br /> . 5tandard D 2487 - 93 Particle Size Identification
<br /> � Cfassification of 5oils fo�r Engineering Purposes • '
<br /> (Unified Soil Classiication System} Boulders............................over 1�"
<br /> Cobbles�............................3' to 12'
<br /> - • G�avel •
<br /> . • Coarse...........................3/4" to 3..
<br /> Fine ................................Na. 4 to 3/4"
<br /> Crit�ria(ur Assigning Giaup Symbols and � Sand
<br /> Group Namea Usinq labaracory Tevta• G�oup
<br /> s r+,doi Grouo Name' Coarse....:......................No. 4 to No, 10
<br /> � =a Gravels Clean Gravels C >4 and 1 <C <J' GW 1MeM- ratlatl vN� Medium ......................
<br /> - d - - - e � ...No. 10 to No. 40
<br /> N m Morc tnan 50X ot ��p�an 57L tiny` C <J and/or 1 �C >]' GP Poori radaa ra��i' ' Fine � .................... o. 40 to No. 200
<br /> a 'u °> eoarse Irac.ion • Y 9 9 ........... IV
<br /> �.. � re�ained on Gravels wiN Finh Fmef Gassd as Ml ar MH GM Siq arovel'a� 5ill....................................No. 200 to .005 mm
<br /> `N �r N Na.�sieve Mure u�an 12Y.lines° Fin�s ciaesily as Cl or CH GC Clavev revel'�'" Clay..................................less than .005 mm
<br /> • e ? a Sands Clesn Sands C _6 and 7_G.<]• SW V1klEgrsd�tl sanG'
<br /> q � 50%ar more a! ��Nan SX fine2� C <fi ana/cr 1 >C'�J' SP Poorty graaed sand� Relative Density of
<br /> n` .
<br /> o � Icoarsa fraalan pass�s Sands with Fin�s fines claaify as ML or MN SM $IpV sanC"" Cohesianless 5oils
<br /> V NO.{SI�V!
<br /> Morc man 12X flrna� Finef clastdy es Cl w CH SC GL�yry santl'"' �
<br /> very loose Q to 4 BPF
<br /> � I anic PI>7 and locs on w acave'A'Itro• L n la '"'
<br /> ' s�ie���a e�.y� "°'9 ioose 5 ta 10 BPF
<br /> o � . PI r 1 or lau Gebw'A"11��� ML Siq"�
<br /> m „ Q liqwd�Imi�
<br /> v ,,,,,,, medium dense 11 �0 30 BPF
<br /> � �N less ihan SO arganic UqwE iimx-avan anae �0.75 OL O�gan�c claY .
<br /> u ,,,�i�,,,•,,,,a�;,, „�„ dense � 31 to�50 8PF
<br /> p '.�81 Q organre sin
<br /> _�� ve�y dense • over 50 BPF
<br /> ,`rn- a . PI plon en a aoave"A'Ilne CH Fo�cla �j" - ' .
<br /> u o 2 Stits and Ciays �^aflanlc
<br /> e ya I PI p�ou Gerow'A'I'ine MM Elaw�c s�N�j^ .
<br /> "° 11q1i°°nix Consistenoy of Cohesive Soils
<br /> `^ 50 ar mar� � yganic I uw'd Ilma•aven dnea �0.75 OH Orgsni�aay°i""
<br /> � llquid fimn•noc drieC Or9ame siN�"' very soft ..,.......0 ta 1 BPF
<br /> ..................
<br /> HIahN Or anic Selis Primaniy oraank maner.eark in coiar.anC organic oaw PT Pea� soft ..........................�. ...2 �0 3 BPF
<br /> .....
<br /> �. Basea m me m��rla1 p�ssfng m�7•h(TSmn!il�w. � fal112f SOh..........................4 IO 5 8PF • .
<br /> ►. If nem samar caxa�d�ee�..a oa,a,..�.Q�h.,ad-��om�.a�„w.,..a�.•�a�,�,,,,�,,. medium.............................6 to 8 BPF
<br /> ' �. ��.��w+�s m izx n�.,rww..�,.�:�a.: ' racher stiFf.:...... ..9 to 12 BPF
<br /> '• GW$M ,weNgraaw grav�l wi�h� • ' � ................
<br /> cw•�c �„a.a yr..r w�a.r . stift ...................................13 to 16 BPF
<br /> GP�GM �,a«y¢,e.,9„�,,�,,,,u� ' .......�7 to 30 8PF .
<br /> �v.cc ae«h,y�.aw yr��w�m my very sGff .....................
<br /> , J.. Sand�wGn 5 b 12:rr,a..Q,:.a�,.�,�w.: � ' hard..................................over 30 BPF �
<br /> Sw-sM w�Eqr■a.a tana ww�Yw • . .
<br /> SW.SC vwx�grwed�antl v+lm dry � .
<br /> sr•sM �nY9„d.a,,,,,,,n,,,,,k Drilling Notes .
<br /> SPSC poory qrae�d sany,rNl,q�y ' ,
<br /> � c,.o,�o� c,.ip�a• • $tandard penetradon test Cori�gs were advanced by
<br /> r. r�u�a,�.w�.,isx�a,„u•,..�,,,,,,-„y„�,,.m., . 3 1/4'or 6 1!4"ID hollow-stem augers unless noted •
<br /> a• �n����r�■aant.�.a,,,�,y„�a cc•cM a sc•sM. otherwise, letting water was used ta clean out auger prior to
<br /> h, u rM....■o.y.,,;e,,aa-,,,+m„y,,,;�m.,-i,y,,,p„�,,,._ sampling only where indicated on logs. Standard peneva�ion
<br /> • �. k�a e�nNu>_isx yr■�,,oa-Whn y,�„�•,o y.o�p��.�., test boririgs are designated by the prefix "5T" (5plit Tube).
<br /> �. p AaMng Ilm�s p�e�in Ir�EnW ara.soM la a C4Ml,siky aay, � ,
<br /> k. Y�oil aaKaira 15 ro 29X pWs Na.200.aod'wN sanA'ar'wxh gra�rN.'wMeh�.w n pr�aonrrom.
<br /> . i. u�r��.�,,.:sax Pw:Na.zoa.rxwe��.,.h,.�w,,au-,�.-„�.,,,P,,.m,, Power auger borings were advanced by 4" or 6" diameter,
<br /> ^�- k wu rnnams;30%pwt Na.zao.a•.a�M.�.y y�,..�.,an-g,,,.My-„y,,,,p,,.,,,�. continuous•ffight, salid•stem.augers. Soil classi�cations and
<br /> ". ^'-+■^°P'°a°^°'i°"'-�•'�'�, strata depths were inferred from dis�urbed samples augered to
<br /> " %`�'°�'°"O1" ���u'' • the surface and are, therefore, somewhal approximate.
<br /> � %c�����-�•�`, Power auger borings are•designated by the preFix "8".
<br /> q. M plao btlaw'A'Ilne. .
<br /> sa Hand auger 6orings were advanced marn,ally with a 1 1/2"
<br /> r..r,..;n.,.:.,,.�a,,.�,,;,,.r tiiameter auger and were limited to the depth from which the
<br /> • ..u..,,a n.,�yr.�.�.s r......,r auger could be manually w�thdrawn. Hand auger borings are
<br /> 50 '°'^""''' indicated by the pre(tx "H", .
<br /> Eau+�a�d��•iM.; ��
<br /> � H��yA.+wu-zs.s. .�/ � P��` 'Sampling: Atl samples were taken with the standard 2' OD
<br /> �o ��n.a.»�u•zai o
<br /> x a splitaube sampler, excepe where noted. TW mdicaies lhin-
<br /> .o c�„�r v-��.: / �� I I walled (undiscurbed) tuhe sample. •
<br /> C v«c■i«u.76aN.1. � .
<br /> � �� "'""'0•9µ'°� I BPF: Numbers indicate blows per fooc recorded in standard
<br /> � penevation lest, also known as 'N"value. The sample�was
<br /> . = Zp � sel 6" into undisturbed sail helow the hollow•stem auger.
<br /> � a Drivin9 resi5cances were then counted for second and third 6"
<br /> a / � MM � oH incremen�s and added to get BPF Where they differed •
<br /> ip � •signiFica�cly, they are reponed in the �ollowing form: �/12 for
<br /> � � ' c�.M� m� a ol the seCond and third 6" increments, respecuvely.
<br /> J '
<br /> � WH; WH indicales the sampler penetrated soil untler weight
<br /> a �a �6 to �o aa 50 60 • �a ea so �oo i�p of hammer and rods alone: driving not required. '
<br /> Liquid Limit (LL) WR: WR indicates the sampler penetrated soil under weight
<br /> ' of rods alone: hammer weighc and driving not required_
<br /> Laboratory Tests . �
<br /> . ' Note: All tesu were run in general accordance with
<br /> DD Ory densiry, pcf OC Organic content. °'c applicahte ASTM s�andards. '
<br /> WD Wet density, pcf S Percent of sacuration. 9U
<br /> MC Natural mois�ure content. °'o SG Specific areviry � ��� �sM
<br /> LL Liquid limit, % . C Cahesion, psf '
<br /> Pl Plastic Itmit, 9'o Q Angle of irnernat frlction �
<br /> PI Plasticity index, o qu Unconfined compressive svengcf�, psf I N T E RT E C
<br /> °200 ao passine 200 sieve qp Pocket peneirome[=r screnoth, �sf Rev, 11/00
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