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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

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

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Rabie Farrag, PhD 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 H₁ Surcharge = q Sand 71 $1 c₁ = 0 Frictionless wall Sand 72 (saturated unit weight) $2 c₂=0 ↓ Groundwater table Givens: CE345 Introduction to Soil Mechanics H = 20ft H₁ = 6 ft Y₁ 110 lb/ft³ Y₂ = 126 lb/ft³ ₁ = 34 deg $₂ = 34 deg Ka=0.283 q=300 lb/ft3 560.4 ka gamma H H/2 0.283*6*110=186.8 186.8+0.283*14*63.6-186.8+252 62.4*14-873.6 11
Transcribed Image Text:Rabie Farrag, PhD 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 H₁ Surcharge = q Sand 71 $1 c₁ = 0 Frictionless wall Sand 72 (saturated unit weight) $2 c₂=0 ↓ Groundwater table Givens: CE345 Introduction to Soil Mechanics H = 20ft H₁ = 6 ft Y₁ 110 lb/ft³ Y₂ = 126 lb/ft³ ₁ = 34 deg $₂ = 34 deg Ka=0.283 q=300 lb/ft3 560.4 ka gamma H H/2 0.283*6*110=186.8 186.8+0.283*14*63.6-186.8+252 62.4*14-873.6 11
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