2. Consider a group of 450 mm x 450 mm reinforced concrete piles were driven into thick loose sand layer with the average unit weight and internal friction angle of 16 kN/m3 and 30°, respectively. Estimate the group pile capacity with the arrangement as shown in Figure Q2 if the length of pile embedment is 30 m assuming ground water table is far below the ground surface. Use 8 = 0.80 and K = 1.5Ko. 3B 3B ЗВ 1 3 7 3.5B b 'P 10 11 a 3.5B 8 1.5B 1.5B 1.5B 1.5B 1.5B 1.5B Figure Q2

2. Consider a group of 450 mm x 450 mm reinforced concrete piles were driven into thick loose sand layer with the average unit weight and internal friction angle of 16 kN/m3 and 30°, respectively. Estimate the group pile capacity with the arrangement as shown in Figure Q2 if the length of pile embedment is 30 m assuming ground water table is far below the ground surface. Use 8 = 0.80 and K = 1.5Ko. 3B 3B ЗВ 1 3 7 3.5B b 'P 10 11 a 3.5B 8 1.5B 1.5B 1.5B 1.5B 1.5B 1.5B Figure Q2

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 12.20P: A 600 mm diameter and 25 m long driven concrete pile carries a column load of 1200 kN. It is...

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