solve only (D) and (E) Question 1Figure Q1 shows a vertical cross-section of a site. The ground water table is located at 2 mbelow the ground surface. Dry and saturated unit weights of the sand are 16 kN/m³ and 20kN/m³, respectively. The clay is normally consolidated and has a saturated unit weight of 18kN/m³ and an effective friction angle of 32°. The unit weight of water is taken as 10 kN/m³.(a)(b)(c)(d)(e)Calculate the vertical effective stress at Point A.Calculate the horizontal effective stress at Point A.Calculate the normal stress and shear stress acting on a plane oriented 60° from thehorizontal plane at Point AWhat is the maximum horizontal shear stress that the soil at Point A can take beforefailure?What is the maximum shear stress along a plane oriented 60° from the horizontal planethat the soil at Point A can take before failure?2m4m2m8ASandClayFigure Q1

Given, γd = 16 kN/m3 γsat = 20 kN/m3 γw = 10 kN/m3 ϕ = 32o

(d) What is the maximum horizontal shear stress that the soil at Point A can take before failure? (e) What is the maximum shear stress along a plane oriented 60° from the horizontal plane that the soil at Point A can take before failure?

(d) What is the maximum horizontal shear stress that the soil at Point A can take before failure? (e) What is the maximum shear stress along a plane oriented 60° from the horizontal plane that the soil at Point A can take before failure?

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter13: Lateral Earth Pressure: At-rest, Rankine, And Coulomb

Section: Chapter Questions

Problem 13.1CTP

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