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12.1 A 1500 kN load was applied on two 20 m long and 500 mm diameter piles that were instrumented for measuring the load variation with depth. a. The variation of frictional resistance per unit area, f), with depth for the first pile is shown in Figure P12.1a. 10 m 5 m z(m) FIGURE P12.1 40 70 (a) f(z) (kN/m²) Soil 1 Soil 2 z(m) Using Eq. (12.9), draw the variation of pile load Qa) with depth. b. The variation of pile load Qa) with depth for the second pile is shown in Figure P12.1b. Using Eq. (12.9), draw the vari- ation of frictional resistance per unit area, f), with depth. 300 800 1500 (b) Q(z) (KN) Soil 1 Soil 2

12.1 A 1500 kN load was applied on two 20 m long and 500 mm diameter piles that were instrumented for measuring the load variation with depth. a. The variation of frictional resistance per unit area, f), with depth for the first pile is shown in Figure P12.1a. 10 m 5 m z(m) FIGURE P12.1 40 70 (a) f(z) (kN/m²) Soil 1 Soil 2 z(m) Using Eq. (12.9), draw the variation of pile load Qa) with depth. b. The variation of pile load Qa) with depth for the second pile is shown in Figure P12.1b. Using Eq. (12.9), draw the vari- ation of frictional resistance per unit area, f), with depth. 300 800 1500 (b) Q(z) (KN) Soil 1 Soil 2

Principles of Foundation Engineering (MindTap Course List)
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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12.1 A 1500 kN load was applied on two 20 m long and 500 mm diameter piles that were instrumented for measuring the load variation with depth. a. The variation of frictional resistance per unit area, f), with depth for the first pile is shown in Figure P12.1a. 10 m 5 m z(m) FIGURE P12.1 40 70 (a) f(z) (kN/m²) Soil 1 Soil 2 z(m) Using Eq. (12.9), draw the variation of pile load Qu) with depth. b. The variation of pile load Q) with depth for the second pile is shown in Figure P12.1b. Using Eq. (12.9), draw the vari- ation of frictional resistance per unit area, f), with depth. 300 800 1500 (b) Q(z) (KN) Soil 1 Soil 2
Transcribed Image Text:12.1 A 1500 kN load was applied on two 20 m long and 500 mm diameter piles that were instrumented for measuring the load variation with depth. a. The variation of frictional resistance per unit area, f), with depth for the first pile is shown in Figure P12.1a. 10 m 5 m z(m) FIGURE P12.1 40 70 (a) f(z) (kN/m²) Soil 1 Soil 2 z(m) Using Eq. (12.9), draw the variation of pile load Qu) with depth. b. The variation of pile load Q) with depth for the second pile is shown in Figure P12.1b. Using Eq. (12.9), draw the vari- ation of frictional resistance per unit area, f), with depth. 300 800 1500 (b) Q(z) (KN) Soil 1 Soil 2
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