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Research Bulletin
New RC Panel Element with Bond-Slip Effect
Author Lin Xin
Author email pg04597926@ntu.edu.sg
Author website http://ntuceegrad.org/e107_plugins/content/content.php
Description Introduction
The bond between concrete and reinforcement is the basis
for steel reinforcement and concrete to act together as a
composite. In particular cases such as gravity-designed
structures subjected to lateral loads, strength and deformation
of the structure may be determined by bond-slip behaviour
between the reinforcing bars and the concrete.
Bond zone element (contact element) [1] has been proposed
to include the bond-slip effect in the finite element analysis
of RC structures. In the bond zone element, the contact
surface between reinforcing bars and concrete are modeled
by using a constitutive law, which represents the properties
of the bond zone (Figure 1). Some researchers solved the
truss element with bond-slip, and other researchers solved
frame element. The complexity in the modelling of each
individual reinforcing bars causes these models to be
unpopular in the analysis of reinforced concrete structures.
In this study, a panel element will be used to include bondslip
effect between concrete and smeared reinforcement
(Figure 2). This element simplifies the modelling of the
reinforcing bars, since they will not be modelled individually
but will be smeared in the reinforcement panel.

Authors:

Lin Xin (pg04597926@ntu.edu.sg)
Paulus Irawan (cirawan @ntu.edu.sg)
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Filesize 490.17 kB
Date Thursday 26 March 2009 - 21:02:52
Downloads 67
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