CEGR325 University of South Alabama Slope Stability Project I did the project and will attach the results. What I need is the report. You will write one pa

CEGR325 University of South Alabama Slope Stability Project I did the project and will attach the results. What I need is the report. You will write one page report answer the question in project guide as paragraph. Before Surcharge Load
Slice Number:
Factor of Safety:
Base Friction Angle:
Base Cohesion:
Slice Width:
Base Length:
Angle of Slice Base:
Slice Weight:
Frictional Strength:
Cohesive Strength:
Shear Strength:
Shear Stress:
Base Shear Force:
Base Normal Force:
Base Normal Stress:
Effective Normal Stress:
Base Vertical Stress:
Effective Vertical Stress:
Pore Pressure:
Positive Pore Pressure:
Matric Suction:
Excess Pore Pressure:
Initial Pore Pressure:
Left Side Normal Force:
Left Side Shear Force:
Left Side Resultant Force:
Left Side Force Angle:
Right Side Normal Force:
Right Side Shear Force:
Right Side Resultant Force:
Right Side Force Angle:
Horizontal Seismic Force:
Vertical Seismic Force:
Resultant Seismic Force:
M-Alpha:
Y coordinate – Bottom:
Y coordinate – Top:
X coordinate – Bottom:
X coordinate – Top:
Phib:
Base Material:
Generalized Hoek-Brown GSI:
Generalized Hoek-Brown mi:
Generalized Hoek-Brown D:
Part I
6
1.95453
29
400
10.2268
15.6104
49.0707
24808.7
520.391
400
920.391
470.901
7350.96
18377.7
1177.27
938.808
1720.34
1481.87
238.465
238.465
0
0
238.465
0
0
0
0
0
0
0
0
0
0
0
0
23.8427
50
65.4768
65.4768
0
1
0
0
0
(ordinary/fellenius)
degrees
psf
ft
ft
degrees
lbs
psf
psf
psf
psf
lbs
lbs
psf
psf
psf
psf
psf
psf
psf
psf
psf
lbs
lbs
lbs
degrees
lbs
lbs
lbs
degrees
lbs
lbs
lbs
ft
ft
ft
ft
degrees
After Surcharge
Part II
Slice Number:
Factor of Safety:
Base Friction Angle:
Base Cohesion:
Slice Width:
Base Length:
Angle of Slice Base:
Slice Weight:
Frictional Strength:
Cohesive Strength:
Shear Strength:
Shear Stress:
Base Shear Force:
Base Normal Force:
Base Normal Stress:
Effective Normal Stress:
Base Vertical Stress:
Effective Vertical Stress:
Pore Pressure:
Positive Pore Pressure:
Matric Suction:
Excess Pore Pressure:
Initial Pore Pressure:
Left Side Normal Force:
Left Side Shear Force:
Left Side Resultant Force:
Left Side Force Angle:
Right Side Normal Force:
Right Side Shear Force:
Right Side Resultant Force:
Right Side Force Angle:
Horizontal Seismic Force:
Vertical Seismic Force:
Resultant Seismic Force:
M-Alpha:
Y coordinate – Bottom:
Y coordinate – Top:
X coordinate – Bottom:
X coordinate – Top:
Phib:
Base Material:
Generalized Hoek-Brown GSI:
Generalized Hoek-Brown mi:
Generalized Hoek-Brown D:
6
1.29769
29
400
9.7466
13.3268
43.0002
22509.5
1369.42
400
1769.42
1363.52
18171.3
34962
2623.43
2470.5
3894.93
3742.01
152.925
152.925
0
0
152.925
0
0
0
0
0
0
0
0
0
0
0
0
26.1279
49.902
64.853
64.853
0
1
0
0
0
(ordinary/fellenius)
degrees
psf
ft
ft
degrees
lbs
psf
psf
psf
psf
lbs
lbs
psf
psf
psf
psf
psf
psf
psf
psf
psf
lbs
lbs
lbs
degrees
lbs
lbs
lbs
degrees
lbs
lbs
lbs
ft
ft
ft
ft
degrees
CE 440 – Geotechnical Engineering
Design Project I: Slope Stability
Part 1: Get familiar with slope stability analysis software, Slide 2018, developed by Rocscience located on all
lab computers in Shelby Hall. Once Slide is open, click OPEN, then Tutorials to familiarize yourself with the
program. Analyze the slope problem that we did in class using the Ordinary Method of Slices (Fellenius
Method). Compare the result of this slip surface with the Ordinary Method of Slices Factor of Safety from
Example 13.3 in the textbook. Also, determine the lowest FS for this slope using the software.
A 30 foot tall, 1.5:1 slope is to be built. The soil is homogeneous, with c’ = 400 lb/ft2 and ?’ = 29°.
Part 2: Add a surface surcharge load of 2500 lbs/ft2 located at the top edge of the slope extending 25 feet
along the horizontal surface (distributed load).
a. Analyze the slope again using the OMS Method (Determine this slip surface and the lowest FS).
Determine if there are stability issues presented. If so, discuss possible stabilization techniques that
could be implemented if there was a major 4 lane highway running at the toe of the slope
(Unloading is not an option).
b. Provide a detailed comparison of the forces the software calculates of slice #6 before and after the
surcharge load is installed. Explain why some forces are similar and others have changed.
Part 3: Find a slope somewhere in the Gulf Coast region and take a few pictures to show the breadth of the
slope dimensions. Identify all structures or hazards that might be effected by instability of the slope. Make
sure you show the location of the slope, using a mapping service in the report. (5 bonus points if there is a
visible failure along the slope. Use your engineering judgement to speculate on the cause and a potential
correction.)
Deliverables: A short report with the results and any appropriate software images to justify your answers.
The report should have a summary of the results that answers any questions asked, as well as any
observations or solutions that might help the situation, if necessary.
E. Steward
1

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