Answered: Gravel Clay C Impermeable bedrock

Engineering

Civil Engineering

Gravel Clay C Impermeable bedrock

Construction Materials, Methods and Techniques (MindTap Course List)

4th Edition

ISBN:9781305086272

Author:William P. Spence, Eva Kultermann

Publisher:William P. Spence, Eva Kultermann

Chapter5: Soils

Section: Chapter Questions

Problem 9RQ

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Question

A square footing supporting a column applies a uniform pressure of 100 kPa on top of a deep clay deposit. Based on the bulbs of pressure developed below the footing shown in the following figure, which of the following statements are correct (select all that apply)?

A.Immediately after construction, the effective vertical stress developed at Points B and C is the same.

B.Immediately after construction, the excess pore water pressure (∆u) developed at Point B is lower than ∆u developed at Point A.

C.After construction, the excess pore water pressure at Point C dissipates faster than that dissipated at Point B.

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