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Ali Kheiri Marghzar, Masoud Riyazi Mazlumi & Amin Naseri Pouryazdi

Topology optimization of strut-and-tie models in steel plate shear walls

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Abstract

Since 1970, the steel plate shear wall is regarded as the first choice among latest load resisting systems and employed in several important and modern buildings. In the early and during the 1970s, the steel plate shear walls were used in modern buildings in Japan and United States to improve the seismic behavior of structures. It can be concluded from existing researches that the steel plate shear walls have considerable strength and stiffness in comparison with other systems.

In order to find the optimum size that minimizes structure’s weight under the applied load and also fulfilling the structural requirements and restrictions optimization is required. In this study, tracing the shear wall elements with the lowest strain energy through using the topology optimization based on finite element method and removing them according to particular mechanism is investigated. This procedure gives us the optimized shape of steel plate shear wall. For this purpose, a steel plate shear wall is modeled in Abaqus to obtain its force-displacement curve and subsequently the force-displacement relationship is acquired using virtual work method and MATLAB programming.

Keywords : steel plate shear wall, strut-and-tie model, topology optimization, virtual work method

To cite this article

Ali Kheiri Marghzar, Masoud Riyazi Mazlumi & Amin Naseri Pouryazdi, «Topology optimization of strut-and-tie models in steel plate shear walls», Bulletin de la Société Royale des Sciences de Liège [En ligne], Volume 85 - Année 2016, Actes de colloques, Special edition, 565 - 572 URL : https://popups.uliege.be:443/0037-9565/index.php?id=5514.

About: Ali Kheiri Marghzar

M.Sc. in Structural engineering, Islamic Azad University of Mashhad, Department of Civil engineering, Mashhad, Iran

About: Masoud Riyazi Mazlumi

Assistant Professor, Islamic Azad University of Mashhad, Department of Civil engineering, Mashhad, Iran

About: Amin Naseri Pouryazdi

M.Sc. in Structural engineering, Islamic Azad University of Mashhad, Department of Civil engineering, Mashhad, Iran