Help me please 1If a rectangular foundation was placed inthe soil profile as shown in the figure with adimension of 4 m x 6 m, transmitting stressof 15,500 kPa on the surface of a soildeposit.See No. 2 below for the continuation of theproblemDon't answer here, proceed to No. 2Very Fine sand w = 5%, S = 45%2.0 mFine sand w = 11%, S = 80%4.0 mFine sand w = 11%7.4 mSoft Clay, w = 26%For all soil use G = 2.6531.0 m 2Continuation of the problem.Determine the major principal stress inkPa at 31 m below the ground at the centerof the foundation. Use Boussinesq'sequation. (Use 3 decimal places for the finalanswer). *Vertical stress = Effective stress + Stress from surface loadShear stress = 20% of Vertical stressSoil SampleHorizontal stress = 30% of Vertical stressThe value must be a number

Since he has asked to find the vertical stress at the center of footing , the radius (r) is equal to…

Continuation of the problem. Determine the major principal stress in kPa at 31 m below the ground at the center of the foundation. Use Boussinesq's equation. (Use 3 decimal places for the final answer). *

Continuation of the problem. Determine the major principal stress in kPa at 31 m below the ground at the center of the foundation. Use Boussinesq's equation. (Use 3 decimal places for the final answer). *

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter9: Settlement Of Shallow Foundations

Section: Chapter Questions

Problem 9.17P

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Question

Help me please

Transcribed Image Text:1 If a rectangular foundation was placed in the soil profile as shown in the figure with a dimension of 4 m x 6 m, transmitting stress of 15,500 kPa on the surface of a soil deposit. See No. 2 below for the continuation of the problem Don't answer here, proceed to No. 2 Very Fine sand w = 5%, S = 45% 2.0 m Fine sand w = 11%, S = 80% 4.0 m Fine sand w = 11% 7.4 m Soft Clay, w = 26% For all soil use G = 2.65 31.0 m

2
Continuation of the problem.
Determine the major principal stress in
kPa at 31 m below the ground at the center
of the foundation. Use Boussinesq's
equation. (Use 3 decimal places for the final
answer). *
Vertical stress = Effective stress + Stress from surface load
Shear stress = 20% of Vertical stress
Soil Sample
Horizontal stress = 30% of Vertical stress
The value must be a number

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