Check the total settlement of a group of pile as shown in Figure 1. The total allowable settlement is set not exceed 3% of the pile diameter and the overconsolidated ratio (OCR) of the clay is more than 1. The groundwater table is located 15m beneath the ground level. The diameter of the pile, b is 0.5m and the spacing between piles, s is 2m.The pile group is subjected to foundation load of 5425KN. The laboratory testing data for the soil samples taken are as follows: At 5m, eo = 0.55, Cc = 0.32, C, = 0.09, ơo = 150kN/m² At 10m, eo = 0.55, Cc = 0.32, C, = 0.09, o'o = 225KN/m? At 12m, eo = 0.55, Cc = 0.32, C; = 0.09, o'o = 300KN/m? 7m 5m Clay 10m Unit weight = 18KN/m Friction angle = 0 degree 2 Cohesion = 100KN/m
Check the total settlement of a group of pile as shown in Figure 1. The total allowable settlement is set not exceed 3% of the pile diameter and the overconsolidated ratio (OCR) of the clay is more than 1. The groundwater table is located 15m beneath the ground level. The diameter of the pile, b is 0.5m and the spacing between piles, s is 2m.The pile group is subjected to foundation load of 5425KN. The laboratory testing data for the soil samples taken are as follows: At 5m, eo = 0.55, Cc = 0.32, C, = 0.09, ơo = 150kN/m² At 10m, eo = 0.55, Cc = 0.32, C, = 0.09, o'o = 225KN/m? At 12m, eo = 0.55, Cc = 0.32, C; = 0.09, o'o = 300KN/m? 7m 5m Clay 10m Unit weight = 18KN/m Friction angle = 0 degree 2 Cohesion = 100KN/m
Principles of Foundation Engineering (MindTap Course List)
9th Edition
ISBN:9781337705028
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter12: Pile Foundations
Section: Chapter Questions
Problem 12.8P: Consider a 500 mm diameter pile having a length of 18 m in a clay. Given: γ = 20.0 kN/m3 and cu = 60...
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