Compute the vertical stress on the centerline of the footing due to the imposed load at a depth

Principles of Foundation Engineering (MindTap Course List)
9th Edition
ISBN:9781337705028
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter6: Shallow Foundations: Ultimate Bearing Capacity
Section: Chapter Questions
Problem 6.21P: Consider a continuous foundation of width B = 1.4 m on a sand deposit with c = 0, = 38, and = 17.5...
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The answer must be 67.32

A circular ring type foundation for an overhead tank transmits a contact pressure of 300 kN/m2
is founded at a depth of 2.5 m. The outer diameter of the footing is 10m and its inside diameter is
6m. Compute the vertical stress on the centerline of the footing due to the imposed load at a depth
of 7.5m below the ground. Neglect the effect of footing depth on the vertical stress. (67.32)
Transcribed Image Text:A circular ring type foundation for an overhead tank transmits a contact pressure of 300 kN/m2 is founded at a depth of 2.5 m. The outer diameter of the footing is 10m and its inside diameter is 6m. Compute the vertical stress on the centerline of the footing due to the imposed load at a depth of 7.5m below the ground. Neglect the effect of footing depth on the vertical stress. (67.32)
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