An oil storage tank having a diameter of 30 m is located 3 m below the surface of a deposit of 23 m thick clay. A firm stratum underlies the clay. The water table is at the ground surface and the net foundation pressure is calculated to be 120 kN/m?. The average value of mv for the clay is 0.14 m/MN. The undrained value of Young's modulus (Ea) is estimated to be 40 MN/m?. Determine the total (immediate + consolidation) settlement under the center of the tank. Use a Skempton-Bjerrum correction factor of 0.7 for consolidation settlement.

An oil storage tank having a diameter of 30 m is located 3 m below the surface of a deposit of 23 m thick clay. A firm stratum underlies the clay. The water table is at the ground surface and the net foundation pressure is calculated to be 120 kN/m?. The average value of mv for the clay is 0.14 m/MN. The undrained value of Young's modulus (Ea) is estimated to be 40 MN/m?. Determine the total (immediate + consolidation) settlement under the center of the tank. Use a Skempton-Bjerrum correction factor of 0.7 for consolidation settlement.

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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