REP10347

• Permit No: C1981008
• IBM Index Class Name: Report
• Doc Date: 1/12/2000
• Doc Name: SLOPE STABILITY ANALYSIS OF THE SEDIMENT POND EMBANKMENTS IN THE PR-05 AMENDMENT AREA
• Permit Index Doc Type: STABILITY REPORT
• Media Type: D
• Archive: No

5. Factor of Safety Cases and Results
Case # Density Cohesion Internal Minimum Comments
(Ibs/cu.ft.) (Ibs/sq.ft.) Angle of Factor of
Friction Safety
1 -embankment 119 280 30 2.19 This case uses
slightly higher
1 -foundation 110 0 33 foundation
density.
2 -embankment 119 280 30 1.73 This is the case
which uses the
2 -foundation 82 0 33 low values from
Table 1.
3 -embankment 106 200 28 1.52 Absolute worst
h
case strengt
3 -foundation 76 0 30 parameters.
4 -embankment 118.6 420 33 1.95 Most likely case
using average
parameters from
4 -foundation 64.8 0 34 Table 1 and
density measured
on site.
5 -embankment 119 280 30 2.46 Case where
cohesion is
present in
il
f
d
i
oun
on so
at
5 -foundation 82 160 33 and embankment
parameters are
conservative
6 -embankment 118.6 420 33 2.54 Case where
cohesion is
present in
il
f
d
ti
oun
a
on so
6 -foundation 82 160 33
and embankment
parameters are
average
(Revised zioo~ Attachment 2.05.3(3) -10-92