What is the total settlement of the clay layer five years after the completion of primary consolidation settlement?

Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter9: Consolidation
Section: Chapter Questions
Problem 9.17P
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A normally consolidated clay layer, 4m thick, has the following properties:
Initial void ration, eo = 0.65
Compression Index, Cc = 0.20
Average effective pressure, σ’o = 100 kPa
Expected pressure increase due to loading on ground surface = 30 kPa
Secondary compression index, Cα = 0.02
Time for completion of primary settlement = 1.5 years
What is the total settlement of the clay layer five years after the completion of primary consolidation settlement?

 

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