A reinforced concrete pile weighing 30 kN is driven by a drop hammer weighing 40 kN and having an effective fall of 0.8 m. The average set per blow is 1.4 cm. The total temporary elastic compression is 1.8 cm. Assuming the co-efficient of restitution as 0.25 and a factor of safety 2, determine the ultimate bearing capacity and the allowable load for the pile using Hiley's formula.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Bearing capacity

A reinforced concrete pile weighing 30 kN is driven by a drop
hammer weighing 40 kN and having an effective fall of 0.8 m.
The average set per blow is 1.4 cm. The total temporary elastic
compression is 1.8 cm. Assuming the co-efficient of restitution
as 0.25 and a factor of safety 2, determine the ultimate bearing
capacity and the allowable load for the pile using Hiley's
formula.
Transcribed Image Text:A reinforced concrete pile weighing 30 kN is driven by a drop hammer weighing 40 kN and having an effective fall of 0.8 m. The average set per blow is 1.4 cm. The total temporary elastic compression is 1.8 cm. Assuming the co-efficient of restitution as 0.25 and a factor of safety 2, determine the ultimate bearing capacity and the allowable load for the pile using Hiley's formula.
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