2015-03-16_PERMIT FILE - C1981008A ‎(7)‎

• Permit No: C1981008A
• IBM Index Class Name: Permit File
• Doc Date: 3/16/2015
• Doc Name: Mine Facilities
• Section_Exhibit Name: Section 2.05.3‎(3)‎ Mine Facilities
• Media Type: D
• Archive: Yes

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CHART 1: HAUL -ROAD STABILIZATION DESIGN CURVES CHART 2: HAUL -ROAD STABILIZATION DESIGN CURVES
37— FOR 5,000 -LB WHEEL LOAD 37 FOR 10,000 -L13 WHEEL LOAD
35 Contact Pressure 35 Contact Pressure
50 to 80 psi 50 to 80 psi
30L 30 ,'�.
m Conventional Design
v Conventional Design Without Woven Geotextile
N25 Without Woven Geotextile N 25
t z 23.6
Intrusion Zone
o 20 m 2I
,�� Intrusion Zone °
a, Mirafi 60OX a
a 15 a 15 Mirafi 60OX
y Mirafi HP370 m 12.3
CL to'r I\afi HP570 n 10 Mirafi HP370� I(
U !, ci Mirafi HP570
5 5
0 0
1 2 3 4 5 6 1 2 3 4 5 6
Shear Strength, (C), psi Shear Strength, (C), psi
10 20 30 40 50 60 10 1 30 40 50 60
Cone Index, psi Cone Index, psi
025 oS0 0.75 1.00 125 150 025 050 0.75 1.00 1.25 1.50
CBR CBR
Subgrade Strength Subgrade Strength
CHART 3: HAUL -ROAD STABILIZATION DESIGN CURVES CHART 4: HAUL -ROAD STABILIZATION DESIGN CURVES
37 FOR 15,000 -LB WHEEL LOAD 37 FOR 20,000 -LB WHEEL LOAD
35 Contact Pressure 35 Contact Pressure
50 to 80 psi 50 to 80 psi
30 Conventional Design 30 Conventional Design
Without Woven Geotextile m Without Woven
r r Geotextile
V V
N N
r 25 _ 25
s c Intrusion Zone'' .
a
0
0 20
m
W
m 15
m
U
a 10
E
5
Intrusion Zone
Mirafi HP370
0
1 2 3 4 5 6
i•. Shear Strength, (C), psi
J_ i
11 0 20 30 40 50 60
Cone Index, psi
025 050 0.75 1.00 125 1.50
CBR
Subgrade Strength
n
m
0 20
m
a
C
m 15F
¢
a9i
U
a 10,
E
U
5
0
1 2 3 4 5 6
Shear Strength, (C), psi
t i i i
10 20 30 40 50 60
Cone Index, psi
025 0.50 Q75 1.00 125 150
CBR
Subgrade Strength
(Revised .tune 2010) 2.05.3(3) -31