For the soil profile shown, if the depth of borehole according to the net increase in stress due to the foundation load is less than 5% of the effective overburden pressure is DI-20 m and the depth at which the net vertical total stress increase due to the foundation load is less than 10% of the stress applied at the foundation level is D2- 10 m. 1- Determine the dimensions of the foundation to achieve the required depth of borehole. 2- Calculate the load of column which should be applied on the foundation to meet the required depth of boring. Yay - 18 KN/ 10m GWT Yau- 22 KN/m 30m Bedrock

Principles of Foundation Engineering (MindTap Course List)
8th Edition
ISBN:9781305081550
Author:Braja M. Das
Publisher:Braja M. Das
Chapter8: Mat Foundations
Section: Chapter Questions
Problem 8.7P
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For the soil profile shown, if the depth of
borehole according to the net increase in stress
due to the foundation load is less than 5% of the
effective overburden pressure is DI=20 m and the
depth at which the net vertical total stress increase
due to the foundation load is less than 10% of the
stress applied at the foundation level is D2= 10 m.
1- Determine the dimensions of the foundation to
achieve the required depth of borehole.
2- Calculate the load of column which should be
applied on the foundation to meet the required
depth of boring.
Yay - 18 KN/m
10m
GWT
Va - 22 KN/a
30m
Bedrock
Transcribed Image Text:For the soil profile shown, if the depth of borehole according to the net increase in stress due to the foundation load is less than 5% of the effective overburden pressure is DI=20 m and the depth at which the net vertical total stress increase due to the foundation load is less than 10% of the stress applied at the foundation level is D2= 10 m. 1- Determine the dimensions of the foundation to achieve the required depth of borehole. 2- Calculate the load of column which should be applied on the foundation to meet the required depth of boring. Yay - 18 KN/m 10m GWT Va - 22 KN/a 30m Bedrock
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