Question 3 Refer to Figure Q3. Estimate the primary consolidation settlement in the clay layer. Given: Ao = 85 kN/m²; H, = 2 m; H2 = 4 m; and H3 = 6 m. Soil characteristics are as follows (use appropriate relations from the Appendix): Sand: e = 0.65; G = 2.66 kN Clay: LL = 54; e = 0.98; Gs = 2.74; o = 150; C, = Cc %3D m² Ao H Sand Groundwater table Sand H2 Clay Void ratio = e H3 Normally consolidated Sand Figure Q3

Question 3 Refer to Figure Q3. Estimate the primary consolidation settlement in the clay layer. Given: Ao = 85 kN/m²; H, = 2 m; H2 = 4 m; and H3 = 6 m. Soil characteristics are as follows (use appropriate relations from the Appendix): Sand: e = 0.65; G = 2.66 kN Clay: LL = 54; e = 0.98; Gs = 2.74; o = 150; C, = Cc %3D m² Ao H Sand Groundwater table Sand H2 Clay Void ratio = e H3 Normally consolidated Sand Figure Q3

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

See similar textbooks

Similar questions

The following technical data are given below: Overburden pressure = 180KPa Increase in pressure = 140KPa Clay thickness = 8m Compression Index = 0.315 Void ratio = 1.132 What is the total settlement in clay?
For a normally consolidated insensitive clay ∅_CD = 30°. Deviator stress at failure of the same soil is 250 kN/m2 in CU test. If Skempton’s A-parameter at failure is 0.62, find out the confining pressure during the consolidation state. Show free body diagram a.260 b.250 c.270 d.280
Estimate the primary consolidation settlement of the clay. Assume the soil above the water table to be saturated, Cc = 0.3, and Gs = 2.7
Given the following data for the normally consolidated clay layer in the field. Compute the primary consolidation settlement. Thickness of clay layer= 3.0m Cc= 0.30 e= 0.70 Overburden pressure= 250 Kpa ΔP= 46 kPa Cα= 0.022
Take a look at the figure below. Estimate the primary consolidation settlement in the clay layer. The increase in stress is 85 kN/m2, H1 = 2m, H2 = 4m and H3 = 6m. Soil characteristics are as follows:• Sand: e = 0.65; Gs = 2.66• Clay: LL = 54; e = 0.98; Gs = 2.74; pre-consolidation stress = 150 kN/m2; Cs = Cc/6
A circular foundation 2m in diameter is shown in the figure below. A normallyconsolidated clay layer 5m thick is located below the foundation. Determine the consolidation settlement of the clay. 1- method 2:1 2- consolidation settlement Cc method
For normally consolidated clay layer in the field, the ff. values are given: Thickness of clay layer = 8.5ft, Void Ratio = 0.8; Compression Index = 0.28; Average effective pressure on the clay layer is 2650 lb/ft2; ∆σ = 970 lb/ft2; Secondary Compression index = 0.02. What is the total consolidation settlement of the clay layer five years after the completion of primary consolidation settlement? Time for completion of primary settlement = 1.5 years)
Refer to Problem 3.15. Estimate the overconsolidation ratio of the clay. Use Eqs. (3.42) and (3.43).
For a normally consolidated insensitive clay ∅_CD = 30°. Deviator stress at failure of the same soil is 250 kN/m2 in CU test. If Skempton’s A-parameter at failure is 0.62, find out the confining pressure during the consolidation state. a. 260 b. 270 c. 280 d. 250
Refer to the soil profile shown in Figure P2.12. The clay is normally consolidated. A laboratory consolidation test on the clay gave the results: If the average effective stress on the clay layer increase by 50 kN/m2.a. What would be the total consolidation settlement?b. If Cv = 9.36 x 10-4 cm2/sec, how long will it take for half the consolidation settlement to take place?
A 3.75m clay layer in the field (drained on one side) is normally consolidated. When the pressure is increased from 50 kPa to 150 kPa, the void ratio decreases from 0.9 to 0.75. The coefficient of permeability of the clay was 6 x 10^-7 cm/s.• How long (days) will it take to reach 50% consolidation?• What is the settlement when the soil reaches 50% consolidation?Final answer should be in 3 decimal places.
Q : For the soil profile shown in figure .if a uniformly distributed load, 100 KN/m2, is applied at the ground surface, what is the settlement of the ciay layer caused by consolidation if Ao — 100 KN/m? * 2m » 8 e P u P