6.10 Refer to Figure P6.5a. The uniform surcharge is time dependent. Given q (kN/m²) = 2t (days) (for t < 100 days), and q = 200 kN/m² (for t > 100 days), determine the average degree of consolidation for the clay layer at t = 50 days and t = 1 year. Use Figure 6.8c. Uniform surcharge, q 4 3m Sand 10 m GWT Clay C₁=2× 10² m²/day Rock Load per unit area (q) (b) ac t₁. Time (t)

6.10 Refer to Figure P6.5a. The uniform surcharge is time dependent. Given q (kN/m²) = 2t (days) (for t < 100 days), and q = 200 kN/m² (for t > 100 days), determine the average degree of consolidation for the clay layer at t = 50 days and t = 1 year. Use Figure 6.8c. Uniform surcharge, q 4 3m Sand 10 m GWT Clay C₁=2× 10² m²/day Rock Load per unit area (q) (b) ac t₁. Time (t)

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Problem 7.15
For the soil profile shown in the figure (1): 1- Calculate total vertical stress at the middle of the last layer 2- Draw vertical effective stress diagram 3- Find the total, pore water pressure and effective stresses at the middle of each layer N.G.S Ya=14.1 kN/m 2m e=0.54 Gs=2.75 2m 4m 1.5m Ysat=12.4 kN/m³ Ysat=18.6 kN/m 3.5m Dll
A clay layer 8 meter thick is subjected to a pressure of 70 kN/m². If the layer has a double drainage and undergoes 50% consolidation (T, = 0.196), in one year, determine the coefficient of consolidation? If the coefficient of permeability is 0.040 m/year, determine the settlement in one %3D year. Use Yw = 9.81 kN/m³.
2.2 A consolidated-drained triaxial test was conducted on a normally consolidated clay. The results are: 03=140 kN/m? (Aga) f=104KN/m2 Please determine oi and 3.
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Problem 7.19 only.
Q 8.7 If the coefficient of consolidation for the clay layer in problem 8.3 is 0.0018 cm^2/Sec, how long will it take for 60% primary consolidation to take place? What will be the total compression due to consolidation at that time?