MOBILIZATION OF MINI PILE UPLIFT RESISTANCE IN SAND
Abstract: Shaft resistance of
tension pile will be fully mobilized at certain displacement. Some structures
impose limits to the displacement of pile with a relatively small value in
order not to cause damage. Therefore, it is necessary to know the behavior of
pile resistance reaction against load that works in every displacement. The
study was conducted using the model of single pile made of concrete with a
length of 0,2 m ; 0,3 m ; 0,4 m and each diameter 0,02 m ; 0,03 m ; 0,04 m. The
model pile is jacked in sand that has been compacted in a box and then given
uplift load that refers to the ASTM D3689-07 procedure E. Pile resistance
reaction is shown by pile friction modulus and determined by mobilized unit
shaft resistance and pile displacement relationship.
The results showed that mobilization of uplift resistance of mini pile that has
been counted using friction modulus can only approach the value of true
observations, so that it requires further consideration as design parameter.
Author: Andikanoza Pradiptiya,
Yuwono, Handi Sudardja and Istiatun
Journal Code: jptsipilgg150003
Artikel Terkait :
Jp Teknik Sipil gg 2015
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