(13b) Commonly Used Values for Factor of Safety FOS

(13b) Commonly Used Values for Factor of Safety FOS

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English - Round (6): Module 1 - Bearing Capacity (Resistance)

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  • Must Read - Important Information About the Course
  • Frequently Asked Questions (FAQs)
  • Meet Your Instructor – Dr. Ahmed ElMouchi, PhD, PEng

Course Content

  • 0- Course Content
  • Course Content by Week!

Chapter (1): Introduction (1 Video)

  • 1 - Introduction

Chapter (2): Case History (1 Video)

  • 2 - Case History

Chapter (3): Three Failure Modes (4 Videos)

  • (3a) General Shear Failure
  • (3b) Local Shear Failure
  • (3c) Punching Shear Failure
  • (3d) Determine Failure Type

Chapter (4): General Bearing Capacity Equation (11 Videos)

  • (4a) Three Components of Bearing Capacity
  • (4b) Bearing Capacity Equation (CFEM - CSA S6-19 - AASHTO)
  • (4c) Bearing Capacity Factors
  • (4d) Shape Factor
  • (4e) Depth Factor
  • (4f) Example 1 - Covers "Bearing Capacity Factor - Depth Factor - Shape Factor"2
  • (4g) Inclination Factors2
  • (4h) Example 2 - Covers "Inclination Factor" 1
  • (4i) Surface Slope
  • (4j) Example 3 - Covers "Surface Slope"
  • (4k) Base Inclination

Chapter (5): Drained Vs Undrained (1 Video)

Delayed 7 days

  • 5 - Drained Vs Undrained

Chapter (6): Influence of Ground Water (3 Videos)

Delayed 7 days

  • (6a) CFEM and CSA S6-19
  • (6b) AASHTO
  • (6c) Example 4 - Covers "Effect of GWT on Bearing Capacity"

Chapter (7): Eccentric Forces and Moments (4 Videos)

Delayed 7 days

  • (7a) CFEM (Allowable Stress Design)
  • (7b) AASHTO and CSA (LRFD)
  • (7c) Stress Calculations
  • (7d) Example 5 - Covers "Eccentricity Effect"

Chapter (8): Consideration for Footings on Slopes (6 Videos)

Delayed 7 days

  • (8a) Introduction - AASHTO
  • (8b) Footings on Slope
  • (8c) Example 6 - Covers "Footings on Slopes"
  • (8d) Recall Footing on Sloped Ground CFEM
  • (8e) Footing Adjacent to Slope
  • (8f) Example 7 - Covers "Footing Adjacent to Slope"

Chapter (9): Consideration for Punching and Local Shear (4 Videos)

Delayed 7 days

  • (9a) Introduction
  • (9b) Vesic Detailed Approach3
  • (9c) AASHTOO Simplified Approach
  • (9d) Example 8 - Covers "Vesic Detailed Approach"2

Chapter (10): Two Layer System (7 Videos)

Delayed 14 days

  • (10a) AASHTO - H critical Determination
  • (10b) Undrained - Case (1)
  • (10c) Example 9 - Covers "Undrained Case (1)"
  • (10d) Undrained - Case (2)
  • (10e) Example 10 - Covers "Undrained Case (2)"
  • (10f) Drained Condition
  • (10g) Example 11 - Covers "Drained Condition"1

Chapter (11): Closely Spaced Footings (4 Videos)

Delayed 14 days

  • (11a) No Overlap
  • (11b) Passive Zones Just Overlap
  • (11c) Transition and Passive Zone Size Reduced
  • (11d) Very Close Footings

Chapter (12): Bearing Capacity from SPT and CPT (4 Videos)

Delayed 14 days

  • (12a) CFEM - Bearing Capacity from SPT
  • (12b) AASHTO - Bearing Capacity from SPT
  • (12c) CFEM - Bearing Capacity from CPT
  • (12d) AASHTO - Bearing Capacity from CPT

Chapter (13): Allowable Bearing Capacity (3 Videos)

Delayed 14 days

  • (13a) Uncertainties in Geotechnical Engineering
  • (13b) Commonly Used Values for Factor of Safety FOS
  • (13c) CFEM - Qall

Chapter (14): Factored Bearing Resisatnce (3 Videos)

Delayed 21 days

  • (14a) Limit State Design
  • (14b) Geotechnical Resistance Factors - AASHTO and CFEM
  • (14c) CSA S6-19 - Geotechnical Resistance Factors

Chapter (15): Horizontal Resistance - Check Against Sliding (3 Videos)

Delayed 21 days

  • (15a) Canadian Highway Bridge Design Code - CSA S6-19
  • (15b) AASHTO - Cohesionless Soils
  • (15c) AASHTO - Cohesive Soils

Chapter (16): Bearing Capacity of Rocks (3 Videos)

Delayed 21 days

  • (16a) Failure Modes
  • (16b) Methods for Bearing Capacity on rock
  • (16c) Core Strength Method

Chapter (17): Typical Values for Preliminary Design Bearing Pressures (7 Videos)

Delayed 21 days

  • (17a) Cohesionless Soil - CFEM
  • (17b) Cohesionless AASHTO
  • (17c) Cohesive Soils - CFEM
  • (17d) Cohesive Soils AASHTO
  • (17e) Rock - CFEM
  • (17f) Rock - AASHTO
  • (17g) Problematic Soils

Chapter (18): Geotechnical Structure Cycle

Delayed 21 days

  • 18- Geotechnical Structure Cycle5