A reinforced concrete tower is provided on a ring foundation of inner diameter of 6m and outer diameter of 12m. If the foundation carries a distributed load of 250kN/m2, determine the vertical stress at a depth of 6m below the center of the foundation.

A reinforced concrete tower is provided on a ring foundation of inner diameter of 6m and outer diameter of 12m. If the foundation carries a distributed load of 250kN/m2, determine the vertical stress at a depth of 6m below the center of the foundation.

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter7: Settlement Of Shallow Foundations

Section: Chapter Questions

Problem 7.8P

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Question

A reinforced concrete tower is provided on a ring foundation of inner diameter of 6m and outer diameter of 12m. If the foundation carries a
distributed load of 250kN/m2, determine the vertical stress at a depth of 6m below the center of the foundation.
Select the correct response:
90.497 kPa
66.027 kPa
83.527 kPa
70.567 kPa

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