NDLI: Nonlinear static cyclic pushover analysis for flexural failure of reinforced concrete bridge columns with combined damage mechanisms

Content Provider	Springer Nature Link
Author	Ko, Yu Fu Phung, Co
Copyright Year	2013
Abstract	In a fixed connection of a reinforced concrete bridge column, experiments have shown that the longitudinal reinforcing bars slip at the interface of the connection under cyclic seismic loading. The bond-slip (or strain penetration) of the longitudinal reinforcing bars causes a pinching effect in the column’s hysteresis curve. The bond-slip (or strain penetration) reduces the column’s stiffness and increases its deformations during an earthquake event, significantly affecting the performance of the column. Significant strength degradation has also been observed after the column reaches its ultimate strength. This study is to model a reinforced concrete column’s performance under cyclic pushover analysis with combined damage mechanisms including concrete cracking, concrete strength degradation due to concrete spalling, longitudinal reinforcing bars buckling, and bond-slip between longitudinal reinforcing bars and concrete. Two multi-scale nonlinear finite element models with and without the bond-slip (or strain penetration) of a reinforced concrete bridge column are proposed. The simulated column’s hysteresis curves under nonlinear cyclic pushover are compared with available experimental data. The results show that the proposed models with bond-slip together with combined damage mechanisms can effectively predict the seismically induced flexural failure behavior of the reinforced concrete bridge columns.
Starting Page	477
Ending Page	492
Page Count	16
File Format	PDF
ISSN	00015970
Journal	Acta Mechanica
Volume Number	225
Issue Number	2
e-ISSN	16196937
Language	English
Publisher	Springer Vienna
Publisher Date	2013-08-29
Publisher Place	Vienna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Theoretical and Applied Mechanics Classical Continuum Physics Continuum Mechanics and Mechanics of Materials Structural Mechanics Vibration, Dynamical Systems, Control Engineering Thermodynamics, Heat and Mass Transfer
Content Type	Text
Resource Type	Article
Subject	Mechanical Engineering Computational Mechanics

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