QUESTION 1 1. a) A 7.5 ft wide rough continuous foundation is placed in the ground at 3.0 ft depth. Bedrock is 3 ft depth below the bottom of the foundation. Soil properties: c' = 210 lb/ft², = 25%, y = 115.0 lb/ft³ What is the ultimate bearing capacity of the foundation? b) What is ultimate bearing capacity assuming there is no bedrock present for at least 12.0 ft below the foundation?

QUESTION 1 1. a) A 7.5 ft wide rough continuous foundation is placed in the ground at 3.0 ft depth. Bedrock is 3 ft depth below the bottom of the foundation. Soil properties: c' = 210 lb/ft², = 25%, y = 115.0 lb/ft³ What is the ultimate bearing capacity of the foundation? b) What is ultimate bearing capacity assuming there is no bedrock present for at least 12.0 ft below the foundation?

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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Expert Solution

Step 1

Given,

Width of footing (B) = 7.5 ft

Footing depth (D_f) = 3 ft

Cohesion (c') = 210 lb/ft²

Angle of internal friction, $ϕ$ ' = 25^o

Unit weight of soil, $γ$ = 115 pcf

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