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The pile group shown consists of 12 friction piles each 0.3 m diameter. Each pile is driven clay layer with different unconfined compressive strength. Unit weight of the clayey soil is 18.18 KN/m^3. Bearing capacity factor Nc = 9. Factor of safety is 3.0. 1. Compute the allowable load of the pile group considering that the piles act individually.  a. 2650 kN b. 2370 kN c. 2460 kN d. 3360 kN 2. Compute the allowable load of the pile group based on block failure.  a. 2650 kN b. 2370 kN

The pile group shown consists of 12 friction piles each 0.3 m diameter. Each pile is driven clay layer with different unconfined compressive strength. Unit weight of the clayey soil is 18.18 KN/m^3. Bearing capacity factor Nc = 9. Factor of safety is 3.0. 1. Compute the allowable load of the pile group considering that the piles act individually.  a. 2650 kN b. 2370 kN c. 2460 kN d. 3360 kN 2. Compute the allowable load of the pile group based on block failure.  a. 2650 kN b. 2370 kN

Structural Analysis
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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The pile group shown consists of 12 friction piles each 0.3 m diameter. Each pile is driven clay layer with different unconfined compressive strength. Unit weight of the clayey soil is 18.18 KN/m^3. Bearing capacity factor Nc = 9. Factor of safety is 3.0.
1. Compute the allowable load of the pile group considering that the piles act individually. 
a. 2650 kN
b. 2370 kN
c. 2460 kN
d. 3360 kN
2. Compute the allowable load of the pile group based on block failure. 
a. 2650 kN
b. 2370 kN
c. 2460 kN
d. 3360 kN
3. Compute the maximum center- to- center spacing of piles to achieve 100% efficiency. *
a. 627 mm
b. 860 mm
c. 800 mm
d. 560 mm

Cui =58kPa L1= 4m a1 = 1.0 L2= 5m Cu2 =76kPa a2 =0.5 Cuz =95 kPa L3= 3m C3 = 0.5 0,6m 0.6m 0.6m 0.6 0.6m
Transcribed Image Text:Cui =58kPa L1= 4m a1 = 1.0 L2= 5m Cu2 =76kPa a2 =0.5 Cuz =95 kPa L3= 3m C3 = 0.5 0,6m 0.6m 0.6m 0.6 0.6m
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