Plastic Energy Dissipation And Ductility Of Symmetric Reinforced And
Over-reinforced RC Elements' Sections
Author(s)
I. Iskhakov
Abstract
Plastic energy dissipation and ductility of
symmetric reinforced and over-reinforced RC
elements' sections
I. Iskhakov
Department of Civil Engineering, College of Judea and Samaria,
Ariel, Israel
Abstract
It is clear today that the existing spectral-acceleration based the seismic design
method has several limitations. First of all, it does not into account the
cumulative plastic deformation demands in earthquake resistant structure. The
important factors that affect the RC section plastic energy dissipation (PED) and
ductility are symmetric reinforcing of the section and over-reinforcing. The
purpose of this paper is to propose the method of the calculation of RC element
PED and its ductility taking into account the variety of the section reinforcement.
The alternating direction of the seismic force at each second half cycle leads to
corresponding changes of stress values and signs in the reinforcement. Thus, the
compressive zone is periodically over-reinforced and the tensile one is poorly
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Keywords
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