Answered: The vertical soil profile shown below…

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter11: Compressibility Of Soil

Section: Chapter Questions

Problem 11.9P

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Transcribed Image Text:The vertical soil profile shown below is loaded with a uniform surcharged pressure of 60 kPa on the ground surface. If the water table is at the ground surface, calculate the total consolidation settlement at the ground surface? Note: Clay Properties from laboratory consolidation on clay sample taken from these clay layers are: - Ot - Uw 7 o=(20x3)-(9.8x3) z o=30.6 kPa oc=80 kPa, Cs 1+ eo Sol: 1- Clay layer -1 (consider mid depth) oo + Ao' =30.6+60=90.6 kPa - σ' + Δσ'>σ 907 80 Therefore, the soil is overconsolidated 1 Sc 9.4 mm... Clay layer -2 ( Cc 1+eo = 0.01 oven حمل = 0.1 -6.0 m 2m- خارف 80.0 Sc= 0.01 x 1 x log. 30.6 20 ميسي تأثريا لا سلام Ю Δισ S. - (H/ (Glog & + Culog ²% + An) Sc 1+% oc Sand Y = 20 kN/m² Clay layer -1 7 = 20 kN Sand Yar = 20 kN m² Clay layer -2 Sand Yar = 20 kN Ys 20 kN m Rock +0.1 x 1.0 x log; 90.6 80.0 (20) 3x20) + (6 +22) + (20 +22A VA -3

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