SPSA Algorithm based Optimum Design of Longitudinal Section of Bridges

Majid Pouraminian  and Somayeh Pourbakhshian

doi:10.17485/ijst/2014/v7i9.8

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SPSA Algorithm based Optimum Design of Longitudinal Section of Bridges

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Indian Journal of Science and Technology

DOI: 10.17485/ijst/2014/v7i9.8

Year: 2014, Volume: 7, Issue: 9, Pages: 1327–1332

Original Article

SPSA Algorithm based Optimum Design of Longitudinal Section of Bridges

Majid Pouraminian^* and Somayeh Pourbakhshian

Department of Civil Engineering, Ramsar Branch, Islamic Azad University, Ramsar, Iran; mpouraminian@iauramsar.ac.ir, spourbakhshiyan@iauramsar.ac.ir

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

The purpose of this study is to determine the optimum design of arch longitudinal no prismatic single-cell section. The FE model of the Cetina open spandrel arch bridge was constructed using the ANSYS. In this present work the optimum design is carried out by taking total material volume of substructure of bridge as objective function. Substructure includes of column and reinforced concrete arch. Finally, the optimization technique is performed by Simultaneous Perturbation Stochastic Approximation (SPSA) algorithm. It is concluded that SPSA can be effectively used in the shape optimization of the bridges.

Keywords: Long Span, Longitudinal Section Optimization, Open Spandrel Bridge, SPSA Algorithm, Substructure