PERMFILE51767

• Permit No: C1996084
• IBM Index Class Name: Permit File
• Doc Date: 12/9/1996
• Section_Exhibit Name: Exhibit 13 Disposal Area Stability Report
• Media Type: D
• Archive: No

/ 1 \ VARY SPOIL FRICTION
• 2.1
2.
t.
t
O
K
1.
4
t,
1.
1.

0

9
LE
9 HE
7
HT
e
5 ~LT

4
28 3 0 32 3 4 38 3 E
COHESION 0
Conn [f V~oiCc
4
O
4'
O
•
ry Lorencltn Mlne
l EXCEBB 6P01 DISP06AL AAEAB
„ Job No. 25,251
i5
~r11 VARY SPOIL UNIT HEIGHT
L
2.
2.
1
t
4
O
K
1
7,
1.
1.
85
1
LE
0
9
E
8
7

HT
8
5
LT
4
90 95 100 105 110
UNR WEIGHT (pct)
6 VARY WATER CONDITIONS
10 15 20 ZS 30
CLAY p VARIES
COHESION = 750 pa~f T~C~
ANALYSIS
TYPE FACTOR OF SAFETY FOR SEVERAL WATER CONDTIONS
(REFER TO FIGURE A-1)
O 1A
HIGH FILL SECTION
EFFECTIVE STRESS 1 42 1.76 1.63 1.79
LOW FILL SECTION
EFECTIVE STRESS 1 32 1.51 1.47 1.58

WATER CONDITIONS
1O WATER FROM TOE TO 1/2 HEIGHT OF CREST.
1A WATER FROM 1/2 DISTANCE (TOE TO CREST
TO 1/2 HEIGHT O F CREST.
O WATER FROM TOE TO 1/4 HEIGHT OF CREST.
® WATER FROM 1/2 DISTANCE (TOE TO CREST
TO 1/4 HEIGHT` OF CREST.
3 VARY CLAY LAYER FRICTION
4 VARY CLAY LAYER COHESION
2
Z
1
1
4
O
~i 1
4
1
1
1
1
LE
0
HE
9
.e
7
.
.6
HT
.5
LT
.4
0
NOTE:
1.
2
3.
250 500 750 1000 1500
CLAY COHESION VARIES
FRICTION - 9=25 EFFECTIVE
FRICTION - P=25 TOTAL
HE -INDICATES HIGH ANALYSIS
SECTION, EFFECTNE STRESS.
HT -INDICATES HIGH ANALYSIS
SECTION, TOTAL STRESS.
LE -INDICATES LOW ANALYSIS
SECTION, EFFECTIVE STRESS.
LT - INDICATES LOW ANALYSIS
SECTION, TOTAL STRESS.
RE ER TO FIGURE A-1 FOR ANALYSIS SECTION.
ER TO TABLE A-1 FOR CASE BY CASE RESULTS.
"Exhibit 13,
Disposal Area Stability Report,
~"~~ A, ~lC~ /7 ~Z ~~
Graphical Summary
Of Stability
Analysis
Flg. A-2
HOR20NfAl EARTHQUAKE ACCELERATION
COEF}TCIENT