A 6 m depth of sand layer has a dry unit weight of 14.9 kN/m' and satura weight of 18.1 kN/m³ overlies a 5 m layer of normally consolidated clay below which is an impermeable stratum. The properties of clay layer are (Gs= 2.7, cc 0.28, e 0.88, c,= 4.3 m²/year). The water table was 1 m below natural ground surface. The ground surface is loaded with uniformly 100 kN/m². Determine: 1) The expected total primary consolidation settlement. 2) Time required for ultimate consolidation settlement. 3) Excess p.w.p and effective vertical stress at point located 1 m below the surface of clay layer after 6 months of applying loading:

A 6 m depth of sand layer has a dry unit weight of 14.9 kN/m' and satura weight of 18.1 kN/m³ overlies a 5 m layer of normally consolidated clay below which is an impermeable stratum. The properties of clay layer are (Gs= 2.7, cc 0.28, e 0.88, c,= 4.3 m²/year). The water table was 1 m below natural ground surface. The ground surface is loaded with uniformly 100 kN/m². Determine: 1) The expected total primary consolidation settlement. 2) Time required for ultimate consolidation settlement. 3) Excess p.w.p and effective vertical stress at point located 1 m below the surface of clay layer after 6 months of applying loading:

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 9.8P

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