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50 <br />M <br />WA <br />20 <br />/0 <br />E <br />LEGEND OF EARTH <br />UNIFIED SOII (:I AS�IFIrATinN <br />M1i111111•IIIIIi■l EW. <br />and <br />10 <br />_ CL•M •ML90L <br />L <br />0 ID 20 30 40 50 60 70 <br />LIQUID LIMIT <br />MATERIALS <br />MATERIAL <br />SYMBOLS <br />Gravel <br />CH <br />MH <br />OL <br />CL <br />ML <br />SC <br />SM <br />SP <br />SW <br />GC <br />GM <br />GP <br />GW <br />36-70 <br />Dense <br />Hard <br />>70 <br />Sands with fines <br />Clean sands <br />Gravels with fines <br />Clean gravels <br />2.e <br />Silts and cla s <br />Silts and cla s <br />y <br />>I2%fines <br />° <br /><5 /°fines <br />° <br />>12 /°fines <br />°Y <br /><5 /ofines <br />°Sands -more than 50 /°of coarse <br />Gravels- more than 50%of coarse <br />JKOH <br />Top holeelev. <br />limit greater than 50 <br />Liquid limit less than 50 <br />Auger boring <br />Dry density (lbs./cu.ft.) <br />Set <br />Sample number <br />Size of sample (inches) <br />fraction is smaller than N44 sieve. <br />fraction is larger than N24 sieve. <br />Fine grained soils <br />than 50% is smaller than N4 200 sieve) <br />Coarse grained soils <br />( More than 50% is larger than N2 200 sieve) <br />M1i111111•IIIIIi■l EW. <br />and <br />10 <br />_ CL•M •ML90L <br />L <br />0 ID 20 30 40 50 60 70 <br />LIQUID LIMIT <br />MATERIALS <br />MATERIAL <br />SYMBOLS <br />Gravel <br />ti N Peat or <br />0-5 <br />N organic matter <br />Sand <br />Fist material <br />rqZ Silt <br />I <br />U <br />LABORATORY CLASSIFICATION CRITERIA <br />.. <br />GW and SW- Cu= D6D greater than 4 for G W a 6 for SW; Cc= (D30)2 between 18, 3. <br />°b DID x osa ® Clay Sandstone <br />GP and SP- Clean gravel or sand not meeting requirements for GW and SW. <br />GMand SM-Atterberg limits below "A7 line or P I. less than 4. Sandy clay or Limestone <br />GC and SC-Atterberg limits above "A' line with P I. greater than 7. clayey sand <br />EW <br />Fine Medium Coarse Fine Coarse .Sandy silt or ®Metamorphic <br />Fines (silt or clay) Cobbles Boulders �,r• <br />sand sand sand gravel gravel silty sand rock <br />Sieve sizes __ - g a a '.x M o <br />I ,� Silty clay or Igneous rock <br />Classification of earth materials shown on this sheet is based on field inspection and clayey silt <br />should not be construed to imply laboratory analysis unless so stated. <br />URi <br />�- ins <br />pa vcmen�` secfi075 <br />Semicompacf, dark br-oivn¢`brown� veryl97 6 <br />7cin e -" rnecllurn SANDY SIL T <br />0_-4T/IT/7 <br />Very soft da/ k br'owr? SANDY CLAY <br />G•w.5_E/. <br />/- 7--ff(b <br />!06/8 <br />Com oac t, orange � green brown S/L Ty, <br />very fine - coarse SA ND <br />!20 15 <br />P-4 <br />T <br />P-/ <br />p _ Ex/s <br />U <br />WA <br />2 14.13 <br />©mWll <br />1-51141561 <br />L14-1120114 'f' ' 6 1.4 <br />Dense -very dense, yellow brown fo <br />orange browr� SILTY very free medium <br />SAND w/fh lenses of SANDY SILT <br />end CLAYE Y 51L <br />Very hard gray C L AYEY S/LT <br />Very dense, orange 9, -ay browrn/ SILTY, <br />very dna - f%ne SANDISAND Y /� c <br />SILT <br />CONSISTENCY CLASSIFICATION <br />FOR SOILS <br />According to the Standard Penetration Test <br />N2 of blows Granular Cohesive <br />0-5 <br />Very loose <br />Very soft <br />6-10 <br />Loose <br />Soft <br />11-20 <br />Semicompact <br />Stiff <br />21-35 <br />Compact <br />Very stiff <br />36-70 <br />Dense <br />Hard <br />>70 <br />Very dense <br />Very hard <br />/ - 7 -80 <br />P-2 J <br />A-3 <br />PLAN <br />¢` Al Cher-olcee Road <br />�ppro>c, r�i-our7d �r'cafi/e along <br />west side of b/-id�E <br />_A_- V tion Refer E'ncE <br />T. B. M. of Al Cherokee Road <br />at N end of bridge. <br />E/ev. 47.3 - San.Joac7u/n County datum <br />50 <br />S urfoce E'/ 42.7 3 <br />-- - - <br />t t / _ <br />/— V_,0C0MP0Cj�1_jqY;; <br />ftft) bk-dark gray SANDY CLAY 40 <br />2 / 2 Y very fire -fine SAND/SANDY CLAY <br />/ <br />1-7- O 7-7-( 0 <br />P-/ <br />Q(/ery soff-soft) black SILTY CLAY <br />Q(Compact) g/-ay,CLAYEy very fine SAND J?O <br />P-2 <br />0(1/ei-ysoff-soff dark grays very f,ne-fine <br />SANDY CLAY <br />0(Compac)gra , CLAYEY very fine -fine <br />SANDD/SAIv, Y CLAY <br />,� 4 20 <br />(Vel -41 -soft) black -dark gray <br />,SANDY CLAY <br />0(Compac�Jci'ay-darkray ver�yy fine - <br />fine SANDY CLAY)CL AY�EY SAND <br />/0 <br />PR OFiL E <br />OO 21/2 "Gone penetrometer <br />Date of <br />boring <br />40 <br />Date 20 4 <br />Blows per foot <br />(T MOORE & TABER NORTHERN CALIFORNIA <br />CONSULTING ENGINEERS AND GEOLOGISTS <br />APPROVED JOB No. /P13781/50 54 <br />REGISTERED CIVIL ENGINEER No.-Ii&L <br />tion SAN JOA Q U//V CODA/ T Y <br />-NORTH CHEROKEE ROAD BRXGE -*I3, <br />ACROSS <br />JA HQ Al T SL UGH <br />LOG OF TEST BORINGS <br />By: -). 0. D. <br />Scale: //=/o ' Dote:January, /980 Check by: E, A, y, Drawing <br />51r ✓6f 1111e W='4, 4 <br />R <br />LEGEND <br />OF <br />BOR <br />I N G OPERATIONS <br />-�- <br />Plan of any boring <br />ROTARY <br />BORING <br />PENETRATION TEST <br />I:e <br />Rotary boring <br />LocationB-No• <br />Location <br />Top hole elev. <br />2.e <br />B- No. <br />V <br />Diamond core boring <br />Moisture (% dry wt) <br />Casing <br />Top holeelev. <br />size <br />Auger boring <br />Dry density (lbs./cu.ft.) <br />Set <br />Sample number <br />Size of sample (inches) <br />Pushed <br />P <br />Sample boring <br />Unconfined compressive <br />strength (tons/sq.ft.) <br />�� <br />Blows per foot <br />Blows per foot <br />1110 <br />12 <br />G <br />phis n3pres <br />I� <br />Designates other soils tests <br />(Using a 140 lb. hammer <br />„ <br />with a 30 drop) <br />(Using 140 I b. <br />19 <br />20 <br />21 <br />of driving <br />Jet boring <br />C -Consolidation <br />2.4 105 <br />4 I <br />1.4 <br />65 <br />hammer with <br />30 <br />�- <br />Test pit <br />S -Direct shear <br />Gws. L. <br />��' <br />�. <br />Conformable material change <br />° <br />dro-� <br />30 P) <br />41 <br />44 <br />12 <br />21/4 °Cone <br />E - Expansion <br />T -Triaxial compression <br />Elevation <br />Date <br />Approximate material change <br />1215 <br />5Unconformable <br />penetrometer <br />material change10 <br />31 <br />OO 21/2 "Gone penetrometer <br />Date of <br />boring <br />40 <br />Date 20 4 <br />Blows per foot <br />(T MOORE & TABER NORTHERN CALIFORNIA <br />CONSULTING ENGINEERS AND GEOLOGISTS <br />APPROVED JOB No. /P13781/50 54 <br />REGISTERED CIVIL ENGINEER No.-Ii&L <br />tion SAN JOA Q U//V CODA/ T Y <br />-NORTH CHEROKEE ROAD BRXGE -*I3, <br />ACROSS <br />JA HQ Al T SL UGH <br />LOG OF TEST BORINGS <br />By: -). 0. D. <br />Scale: //=/o ' Dote:January, /980 Check by: E, A, y, Drawing <br />51r ✓6f 1111e W='4, 4 <br />R <br />