A Study on the Increase in Load Capacity of Driven Pile Over Time or 'Set-Up'
Loading...
Date
2008
Authors
Selamat, Prof. Dr. Mohamad Razip
Journal Title
Journal ISSN
Volume Title
Publisher
Abstract
Cone Penetration Test (CPT) is commonly used in characterising soil
parameters and geotechnical engineering application. Due to its similarity of insertion to pile
installation, the cone data has been used to predict pile bearing capacity widely. This study
focuses on CPT data used to predict pile side shear friction. Furthennore, it is also proposed
to estimate the soil/pile set-up parameter such as the increased shaft capacity with time. The
study consist a set of model piles which designated to simulate the actual pile driving
mechanisms. The model pile has size similar to CPT in order to eliminate the size factor. CPT
data such as tip resistance, qc and sleeve friction (fi) are used to predict the side shear friction
of model pile and further compared to the actual tested capacity. Besides that, an indirect
approach is proposed to find the soil/pile set-up parameters by sensitivity parameter surveyed
by CPT. Findings of the study shown some new factors or friction coefficient of CPT method
in estimation pile capacity is proposed for this particular side. that the factors such as
empirical or semi-empirical will justify the suitability ofCPT fonnula to predict pile capacity
and soil/pile set-up parameter.
Description
Keywords
Civil Engineering