The document summarizes the settings and results of a slope stability analysis using Bishop simplified, Janbu simplified, and Janbu corrected methods. It provides details on the project settings, analysis methods, surface options, loading, material properties, support properties, and the global minimum factors of safety and slip surfaces found for each method. The factors of safety ranged from 0.995 to 1.08.

1. Slide Analysis Information
Document Name
File Name: analisis slide 216+140 - 216+190 modif 10-09-2010.sli
Project Settings
Project Title: SLIDE - An Interactive Slope Stability Program
Failure Direction: Left to Right
Units of Measurement: SI Units
Pore Fluid Unit Weight: 9.81 kN/m3
Groundwater Method: Water Surfaces
Data Output: Standard
Calculate Excess Pore Pressure: Off
Allow Ru with Water Surfaces or Grids: Off
Random Numbers: Pseudo-random Seed
Random Number Seed: 10116
Random Number Generation Method: Park and Miller v.3
Analysis Methods
Analysis Methods used:
Bishop simplified
Janbu simplified
Janbu corrected
Number of slices: 25
Tolerance: 0.005
Maximum number of iterations: 50
Surface Options
Surface Type: Circular
Search Method: Grid Search
Radius increment: 10
Composite Surfaces: Disabled
Reverse Curvature: Create Tension Crack
Minimum Elevation: Not Defined
Minimum Depth: Not Defined
Loading
Seismic Load Coefficient (Horizontal): 0.11
1 Distributed Load present:
Distributed Load Constant Distribution, Orientation: Vertical, Magnitude: 15 kN/m
Material Properties
Material: ANDESITA
Strength Type: Generalised Hoek-Brown
Unit Weight: 25 kN/m3
Unconfined Compressive Strength (intact): 130000 kPa
mb: 0.0942871
s: 3.72665e-006

2. a: 0.531267
Water Surface: None
Support Properties
Support: ECR 2.40
ECR 2.40
Support Type: Grouted Tieback
Force Application: Passive
Out-of-Plane Spacing: 2 m
Tensile Capacity: 100 kN
Plate Capacity: 80 kN
Bond length: 2.400 m
Bond Strength: 10 kN/m
Support: ECR 6.0
ECR 6.0
Support Type: Grouted Tieback
Force Application: Passive
Out-of-Plane Spacing: 2 m
Tensile Capacity: 100 kN
Plate Capacity: 80 kN
Bond length: 6.000 m
Bond Strength: 10 kN/m
Global Minimums
Method: bishop simplified
FS: 1.080350
Center: 147.228, -373.429
Radius: 47.517
Left Slip Surface Endpoint: 100.096, -379.470
Right Slip Surface Endpoint: 113.997, -407.393
Resisting Moment=126597 kN-m
Driving Moment=117181 kN-m
Method: janbu simplified
FS: 0.995167
Center: 132.965, -382.938
Radius: 32.348
Left Slip Surface Endpoint: 100.617, -382.938
Right Slip Surface Endpoint: 114.757, -409.675
Left Slope Intercept: 100.617 -379.834
Right Slope Intercept: 114.757 -409.675
Resisting Horizontal Force=1879.49 kN
Driving Horizontal Force=1888.62 kN
Method: janbu corrected
FS: 1.046180
Center: 132.965, -382.938
Radius: 32.348
Left Slip Surface Endpoint: 100.617, -382.938
Right Slip Surface Endpoint: 114.757, -409.675
Left Slope Intercept: 100.617 -379.834
Right Slope Intercept: 114.757 -409.675
Resisting Horizontal Force=1975.84 kN
Driving Horizontal Force=1888.62 kN