12. Imagine a sea-side slope with T of 20 kPa. Wave actionover-time has removed some material from the base of theslope. Local government is encouraging tourism to thebeautiful location and decides to build a hotel at the top ofthis slope. The combination of natural and anthropogenicactions described here will qualitativelyT (the actual shear stress on the slope), andF (Factor of Safety). At what value of Twill this slope become unstable? Think about what willhappen to T and F after the described changes occur.F=T ffTF= factor of safety, Tâ= the maximum stress a slope can sustain, T =the actual shear stress on the slope

For a slope to be stable factor of safety must be greater than 1 F=τffτ ; τff=20KPaFor F=1τ=20…

12. Imagine a sea-side slope with T of 20 kPa. Wave action over-time has removed some material from the base of the slope. Local government is encouraging tourism to the beautiful location and decides to build a hotel at the top of this slope. The combination of natural and anthropogenic actions described here will qualitatively τ (the actual shear stress on the slope), and F (Factor of Safety). At what value of T will this slope become unstable? Think about what will happen to τ and F after the described changes occur. F= T ff T F= factor of safety, Tâ= the maximum stress a slope can sustain, T = the actual shear stress on the slope

12. Imagine a sea-side slope with T of 20 kPa. Wave action over-time has removed some material from the base of the slope. Local government is encouraging tourism to the beautiful location and decides to build a hotel at the top of this slope. The combination of natural and anthropogenic actions described here will qualitatively τ (the actual shear stress on the slope), and F (Factor of Safety). At what value of T will this slope become unstable? Think about what will happen to τ and F after the described changes occur. F= T ff T F= factor of safety, Tâ= the maximum stress a slope can sustain, T = the actual shear stress on the slope

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter13: Slope Stability

Section: Chapter Questions

Problem 13.27CTP

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