Answered: Given Figure E1, draw the active earth…

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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$# Question (1) ### Instructions: i. Given Figure E1, draw the active earth pressure distribution. Use $ \gamma_w = 9.81 \, \text{kN/m}^3 $. ii. Determine the magnitude and location of the active thrust. ### Diagram: **Figure E1 Description:** - **Retaining Wall:** A vertical wall with a height of 6 meters is depicted. It supports two different soil layers. - **Surcharge:** At the top of the wall, a surcharge load is applied with $ q = 20 \, \text{kN/m}^2 $. - **Soil Layers:** - **Soil 1:** The top 3-meter layer with properties: - Unit weight ($ \gamma $) = 16 kN/m$^3$ - Internal friction angle ($\phi'$) = 30° - Cohesion ($c'$) = 0 kN/m$^2$ - **Soil 2:** The bottom 3-meter layer with properties: - Unit weight ($\gamma_\text{sat}$) = 20 kN/m$^3$ - Internal friction angle ($\phi'$) = 36° - Cohesion ($c'$) = 0 kN/m$^2$ Figure E1 illustrates the soil profile and surcharge conditions relevant for the calculations needed to complete the problem.$

Transcribed Image Text:# Question (1) ### Instructions: i. Given Figure E1, draw the active earth pressure distribution. Use $ \gamma_w = 9.81 \, \text{kN/m}^3 $. ii. Determine the magnitude and location of the active thrust. ### Diagram: **Figure E1 Description:** - **Retaining Wall:** A vertical wall with a height of 6 meters is depicted. It supports two different soil layers. - **Surcharge:** At the top of the wall, a surcharge load is applied with $ q = 20 \, \text{kN/m}^2 $. - **Soil Layers:** - **Soil 1:** The top 3-meter layer with properties: - Unit weight ($ \gamma $) = 16 kN/m$^3$ - Internal friction angle ($\phi'$) = 30° - Cohesion ($c'$) = 0 kN/m$^2$ - **Soil 2:** The bottom 3-meter layer with properties: - Unit weight ($\gamma_\text{sat}$) = 20 kN/m$^3$ - Internal friction angle ($\phi'$) = 36° - Cohesion ($c'$) = 0 kN/m$^2$ Figure E1 illustrates the soil profile and surcharge conditions relevant for the calculations needed to complete the problem.

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