For a sand drain project the following are given: Clay: Normally consolidated H. = 5.5 m (one-way drainage) C = 0.3 e, = 0.76 C, = 0.015 m/day Effective overburden pressure at the middle of clay layer = 80 kN/m? Sand drain: r= 0.07 m de = 2.5 m Cy = Cyr A surcharge is applied as shown in Figure P5.13. Calculate the degree of consolidation and the consolidation settlement 50 days after the beginning of the surcharge application. Surcharge (kN/m?) 70 →Time (days) 30 FIGURE P.5.13

For a sand drain project the following are given: Clay: Normally consolidated H. = 5.5 m (one-way drainage) C = 0.3 e, = 0.76 C, = 0.015 m/day Effective overburden pressure at the middle of clay layer = 80 kN/m? Sand drain: r= 0.07 m de = 2.5 m Cy = Cyr A surcharge is applied as shown in Figure P5.13. Calculate the degree of consolidation and the consolidation settlement 50 days after the beginning of the surcharge application. Surcharge (kN/m?) 70 →Time (days) 30 FIGURE P.5.13

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter5: Soil Improvement And Ground Modification

Section: Chapter Questions

Problem 5.13P

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