You are working for a consulting firm that has been asked to evaluate the factor of safety ofthe wall shown in the figure supported by a well-degraded sand. The resultant load behindthe concrete wall acts at the one third point.Dw1m1.5 m24 kN/m³y = 20 kN/m³26.5 kN/m24°= 34° n = 0.43 m(a) Determine the factor of safety if Dw − D > 1.5B. Ignore the lateral passive resistancedue to the soil in front of the wall.(b) Determine the factor of safety if the ground water table rises to 0.5 m below the base ofthe wall. Discuss the significance of your observations.

Answer We need to find factor of safety of the given wall with reference to Overturning, Sliding…

You are working for a consulting firm that has been asked to evaluate the factor of safety of the wall shown in the figure supported by a well-degraded sand. The resultant load behind the concrete wall acts at the one third point. Dw + 1m 1.5 m 24 kN/m³ Y = 20 kN/m³ 26.5 kN/m E 24⁰ 3 = 34° n = 0.4 (a) Determine the factor of safety if Dw − D > 1.5B. Ignore the lateral passive resistance due to the soil in front of the wall. (b) Determine the factor of safety if the ground water table rises to 0.5 m below the base of the wall. Discuss the significance of your observations.

You are working for a consulting firm that has been asked to evaluate the factor of safety of the wall shown in the figure supported by a well-degraded sand. The resultant load behind the concrete wall acts at the one third point. Dw + 1m 1.5 m 24 kN/m³ Y = 20 kN/m³ 26.5 kN/m E 24⁰ 3 = 34° n = 0.4 (a) Determine the factor of safety if Dw − D > 1.5B. Ignore the lateral passive resistance due to the soil in front of the wall. (b) Determine the factor of safety if the ground water table rises to 0.5 m below the base of the wall. Discuss the significance of your observations.

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter15: Braced Cuts

Section: Chapter Questions

Problem 15.6P

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