2010-12-27_PERMIT FILE - C1981012

• Permit No: C1981012
• IBM Index Class Name: Permit File
• Doc Date: 12/27/2010
• Doc Name: GEOTECHNICAL STUDY —NEW ELK MINE SITE FACILITIES
• Section_Exhibit Name: Exhibit 38 Geotechnical Study - NEM Site Facilities
• Media Type: D
• Archive: No

t Huddleston -Berry
CALIFORNIA BEARING RATIO
Engineering'k Testing, LLC ASTM D1883
Project No.: 00456 -0004 Authorized By: Client Date: 08/07/10
Project Name: New Elk Mine - Jansen Yard Sampled B MAB Date: 08/07/10
Client Name: River City Consultants Submitted By: MAB Date: 08/09/10
Sample Number: 10 -426 Location: Leone Class 1 Reviewed By: MAB Date: 08 /20 /10
Compaction Method AASHTO TI 80C
Maximum Dry Density (pct): Blows per Compacted Lift:
134.1 Surcharge Weight (lbs):
Opt. Moisture Content ( %): Dry Density Before Soak ( cf):
6.9 Dry De sity After Soak el):
Sample Condition: 4 , - Bottom Pre -Test
Soaked - o Top Pre -Test
Remarks: o `°\' Top I" After Test
U
Average After Soak:
Percent Swell After Soak:
- -- - -
Sample Data
-
Point 1
Point 2
Point 3
15
25
56
10.0
10.0
10.0
124.9
127.1
131.8
124.8
126.7
131.8
7.2
7.3
7.3
7.2
6.2
7.3
10.3
9.1
8.1
11.5
10.7
11.0
0.1
0.3 t
0.0
Load Pentration Curve(s)
,
6 4
o.00a o,roo o.mo a�w o.roo o_roo
/,,,
Penetration (in)
Dry Density vs CBR
35.0
y = 0.2764x - 69.227x + 4353.7 0.2 in.
30.0
25.0
U 20.0 0.1 in.
V
15.0-
F
O
U 10.0
Y = 0.275x - 69.151x 4 4360.4
S_0
0.0
120 125 130 135
Dry Density (pet)
Penetration Data
Point l Point 2 Point 3
Dist_ Load Stress Dist. Load Stress Disl, Loud Stress
(in) (lbs) ( (in) (Ihs) ( (in} (]bs) (
O.00Q 0 0 0.000 0 0 0.000 0 0
0.025 88 30 0.025 113 38 0.025 150 51
0.050 181 61 0.050 248 70 0.050 283 96
0.075 292 99 0.075 318 108 0.075 462 156
0.100 406 137 0.100 416 141 0.100 654 221
0.125 520 176 0.125 513 174 0.125 839 284
0.150 634 214 0.150 629 213 0.150 1021 345
0.175 734 248 0.175 748 253 0.175 1193 404
0.200 831 281 0.200 872 295 0.200 1357 459
0.225 924 313 0.225 1009 341 0.225 1512 512
0.250 1017 344 0.250 1149 389 0.250 1663 563
0.275 1105 374 0.275 1286 435 0.275 1827 618
0.300 1193 404 0.300 1431 484 0.300 1991 674
0.325 1266 428 0.325 1566 530 0.325 2162 731
0.350 1345 455 0.350 1709 578 0.350 2349 795
0.375 1422 481 0.375 1845 624 0.375 2513 850
0.400 1501 508 0.400 1979 670 0.400 2571 870
0.425 1574 532 0.425 2110 714 0.425 2628 889
0.450 1641 555 0.450 2210 758 0.450 26
73 904
0.500 1771 599 0.500 2485 841 0.500 2788 943
Corrected CBR 0.1"
13.7 14.1 23.7
Corrected CBR 0.2"
18.7 19.7 30.6
Penetration Distance Correction (in)
0.000 0.000 0.000
Figure:
Form 120a CBR Report
- -- - -
-
..i l
73 904
0.500 1771 599 0.500 2485 841 0.500 2788 943
Corrected CBR 0.1"
13.7 14.1 23.7
Corrected CBR 0.2"
18.7 19.7 30.6
Penetration Distance Correction (in)
0.000 0.000 0.000
Figure:
Form 120a CBR Report
Corrected CBR 0.1"
13.7 14.1 23.7
Corrected CBR 0.2"
18.7 19.7 30.6
Penetration Distance Correction (in)
0.000 0.000 0.000
Figure:
Form 120a CBR Report