0.45m Square prestressed concrete piles are to be installed in groups of 4 at the site shown in the figure below. The center-to-center spacing between piles is 2.55 m. - Ground Level Soft Clay Su = 15kPa - Depth =6.7m TP Silty Clay Su = 30kPa 3m Depth = 15.1m 3m Medium Stiff Clay S,-80kPa - Depth = 20.0m a. Calculate group capacity based on individual failure b. Calculate group capacity based on block failure c. Based on parts (a) and (b) above determine the allowable downward load capacity for the pile group. Assume factor of safety of 2.5.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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0.45m Square prestressed concrete piles are to be installed in groups of 4 at the site shown in the
figure below. The center-to-center spacing between piles is 2.55 m.
- Ground Level
Soft Clay
Su = 15kPa
- Depth =6.7m
Silty Clay
Su = 30kPa
3m
Depth = 15.1m
3m
Medium Stiff Clay
S,-80kPa
- Depth = 20.0m
a. Calculate group capacity based on individual failure
b. Calculate group capacity based on block failure
c. Based on parts (a) and (b) above determine the allowable downward load capacity for the
pile group. Assume factor of safety of 2.5.
Transcribed Image Text:0.45m Square prestressed concrete piles are to be installed in groups of 4 at the site shown in the figure below. The center-to-center spacing between piles is 2.55 m. - Ground Level Soft Clay Su = 15kPa - Depth =6.7m Silty Clay Su = 30kPa 3m Depth = 15.1m 3m Medium Stiff Clay S,-80kPa - Depth = 20.0m a. Calculate group capacity based on individual failure b. Calculate group capacity based on block failure c. Based on parts (a) and (b) above determine the allowable downward load capacity for the pile group. Assume factor of safety of 2.5.
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