Answered: determine the net increase in stress…

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter7: Ultimate Bearing Capacity Of Shallow Foundations: Special Cases

Section: Chapter Questions

Problem 7.4P: In Problem 7.3, if no bedrock was present for at least 4 m below the foundation, determine the...

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The site for a commercial building project has the surface elevation lowered by 1.17 m to improve area grading for the building access, parking and drainage. The unit weight of the soil removed was 19 kN/m³. Foundations for the building will be constructed at the level of the new ground surface elevation. Each foundation is 1.5 m by 1.5 m square and imposes a bearing pressure of 275 kPa. Using the 2:1 approximation method determine the net increase in stress (kPa) at a depth of 1.3 m below the footing. Provide your answer to 2 decimal places. Do not include units in your answer.

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