Homework Rabie Farrag, PhDExample 1 Problem 13.14 & 15 Das, Principles of Geotechnical Engineering (7th edition)A retaining wall is shown below. Determine the Rankine active force Pa per unit wall and the location of the resultant. Drawthe diagram of the active earth pressure distribution.HH₁Surcharge = qSand71$1c₁ = 0Frictionless wallSand72 (saturated unit weight)$2c₂=0↓Groundwater tableGivens:CE345 Introduction to Soil MechanicsH = 20ftH₁ = 6 ftY₁110 lb/ft³Y₂ = 126 lb/ft³₁ = 34 deg$₂ = 34 degKa=0.283q=300 lb/ft3560.4 ka gamma H H/20.283*6*110=186.8186.8+0.283*14*63.6-186.8+25262.4*14-873.611

Answered: Image /qna-images/answer/409e6135-7cf2-4c28-acf9-403f3dd0281a.jpg

Example 1 Problem 13.14 & 15 Das, Principles of Geotechnical Engineering (7th edition) A retaining wall is shown below. Determine the Rankine active force Pa per unit wall and the location of the resultant. Draw the diagram of the active earth pressure distribution. H Surcharge = q Sand Y₁ $₁ ci = 0 ↓ ↓ Groundwater table Sand 72 (saturated unit weight) c₂=0 Givens: H = 20ft H₁ = 6 ft Y₁-110 lb/ft³ Y₂ = 126 lb/ft³ $₁ = 34 deg = 34 deg -0.283 560.4 ką gamma H H/2 0.283*6*110 186.8