An energy balance method for seismic analysis of cable-stayed bridges-Reference-Cited by-同舟云学术

An energy balance method for seismic analysis of cable-stayed bridges

Published:2019-12 Issue:12 Volume:172 Page:871-881
ISSN:0965-0911
Container-title:Proceedings of the Institution of Civil Engineers - Structures and Buildings
language:en
Short-container-title:Proceedings of the Institution of Civil Engineers - Structures and Buildings

Author:

Heyrani Moghaddam Sina¹,Shooshtari Ahmad²

Affiliation:

1. PhD Student, Department of Civil Engineering, Engineering Faculty, Ferdowsi University of Mashhad, Mashhad, Iran

2. Assistant Professor, Department of Civil Engineering, Engineering Faculty, Ferdowsi University of Mashhad, Mashhad, Iran (corresponding author: )

Abstract

A seismic evaluation procedure for a cable-stayed bridge based on the energy balance concept is presented. In this method, the capacity curve obtained from the modal pushover analysis of the cable-stayed bridge is converted to a modal energy capacity diagram. Then, by intersecting this diagram and the energy demand diagram for a selected ground motion, the dynamic target point is obtained. The method was employed on a cable-stayed bridge under Imperial Valley earthquakes with different peak ground motions and the seismic demands were compared with the results from modal pushover and non-linear response history analyses. It was found that this energy balance method can estimate the seismic responses under the selected ground motions with good accuracy. OpenSees software was employed for modelling and analysis of the cable-stayed bridge.

Publisher

Thomas Telford Ltd.

Subject

Building and Construction,Civil and Structural Engineering

Link

https://www.icevirtuallibrary.com/doi/pdf/10.1680/jstbu.18.00016

Reference18 articles.

1. 3‐D Nonlinear Seismic Behavior of Cable‐Stayed Bridges

2. Conceptual Seismic Design of Cable-Stayed Bridges

3. Pushover analysis for the seismic response prediction of cable-stayed bridges under multi-directional excitation

4. A modal pushover analysis procedure for estimating seismic demands for buildings

5. Evaluation of a Modified MPA Procedure Assuming Higher Modes as Elastic to Estimate Seismic Demands

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