Influence Of Concrete Prestressing And
Gravitational Loading On Plastic Energy
Dissipation And Ductility Of RC Elements In
Seismic Zones
Author(s)
I. Iskhakov
Abstract
The plastic energy dissipation (PED) and ductility are important parameters of
RC structures in seismic zones. Several factors influence these parameters,
mostly negatively, such as symmetrical reinforcing of RC section, over or under
reinforcing, prestressing of concrete and gravitation loads. The influence
peculiarities of reinforcing on its PED and ductility were analysed in a previous
paper of this author. In this paper the influence of RC section initial stresses due
to prestressing and gravitational loading on its plastic deformations is presented.
Based on experimental results, it is assumed that the concrete modulus of
elasticity increases linearly versus the compressive strength of concrete.
Accordingly the ultimate elastic and ultimate plastic defo
Keywords
Related Book
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