Preliminary optimal design of cable-stayed bridges

M. Asghar Bhatti; S. M. Nasir Raza; Subramaniam Rajan

doi:10.1080/03052158508902493

Preliminary optimal design of cable-stayed bridges

M. Asghar Bhatti, S. M. Nasir Raza, Subramaniam Rajan

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

A methodology for preliminary design of cable-stayed bridges using optimization techniques is presented. A simple model of the bridge, comprising beam elements for the longitudinal deck girder and tower and truss elements for stay cables, is used. The computer program SADDLE is used for optimization. Constraints are placed on stresses, displacements and member sizes under multiple loading conditions. The methodology enables the designer to vary the arrangement and size of stay cables and cross-sectional dimensions of the longitudinal deck girder. Consequently an aesthetically pleasing as well as an economical and feasible design of a cable-stayed bridge can be obtained quickly and efficiently.

Original language	English (US)
Pages (from-to)	265-289
Number of pages	25
Journal	Engineering Optimization
Volume	8
Issue number	4
DOIs	https://doi.org/10.1080/03052158508902493
State	Published - Jan 1 1985

ASJC Scopus subject areas

Computer Science Applications
Industrial and Manufacturing Engineering
Management Science and Operations Research
Applied Mathematics
Control and Optimization

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10.1080/03052158508902493

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N2 - A methodology for preliminary design of cable-stayed bridges using optimization techniques is presented. A simple model of the bridge, comprising beam elements for the longitudinal deck girder and tower and truss elements for stay cables, is used. The computer program SADDLE is used for optimization. Constraints are placed on stresses, displacements and member sizes under multiple loading conditions. The methodology enables the designer to vary the arrangement and size of stay cables and cross-sectional dimensions of the longitudinal deck girder. Consequently an aesthetically pleasing as well as an economical and feasible design of a cable-stayed bridge can be obtained quickly and efficiently.

AB - A methodology for preliminary design of cable-stayed bridges using optimization techniques is presented. A simple model of the bridge, comprising beam elements for the longitudinal deck girder and tower and truss elements for stay cables, is used. The computer program SADDLE is used for optimization. Constraints are placed on stresses, displacements and member sizes under multiple loading conditions. The methodology enables the designer to vary the arrangement and size of stay cables and cross-sectional dimensions of the longitudinal deck girder. Consequently an aesthetically pleasing as well as an economical and feasible design of a cable-stayed bridge can be obtained quickly and efficiently.

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Preliminary optimal design of cable-stayed bridges

Abstract

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