structural engineer wants to consider placing the base of the building so deep that the soil below will not experience any additional load. They asked you to design a fully compensated mat foundation under the entire building. They has determine that the plan view of the building will be 65 ft by 65 feet. and the building will weighs 10,790 kips. The clayey soil beneath the site has a cohesion of 418 psf and the unit weight of the soil is 118 pcf. How deep will they have to place the structure to fully compensate for the weight of the building.

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 8.5P
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A structural engineer wants to consider placing the base of the building so deep that the soil below will not experience any additional load. They asked you to design a fully compensated mat foundation under the entire building. They has determine that the plan view of the building will be 65 ft by 65 feet. and the building will weighs 10,790 kips. The clayey soil beneath the site has a cohesion of 418 psf and the unit weight of the soil is 118 pcf. How deep will they have to place the structure to fully compensate for the weight of the building.
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