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Optimization of steel buildings by changing structural system and using lightweight materials

Inappropriate use of gravity and lateral load-bearing system and the use of inappropriate materials may increase in weight of the structure. Thus, we see an increase in gravity and lateral forces and consequently the beam and column dimensions of elements increase. | Optimization of steel buildings by changing structural system and using lightweight materials Engineering Solid Mechanics 7 2019 331-340 Contents lists available at GrowingScience Engineering Solid Mechanics homepage www.GrowingScience.com esm Optimization of steel buildings by changing structural system and using lightweight materials H. Babaalia F. Omidinasabb A. Dalvandc and Sh. Akhondid a Assistant Professor Department of Civil Engineering Khorramabad Branch Islamic Azad University Khorramabad Iran b Assistant Professor Department of Civil Engineering Lorestan University Khorramabad Iran c Masters Graduated in Structural engineering Lorestan University Khorramabad Iran d Politecnico di-Milano Department of Mechanical Engineering Milan Italy A R T I C L EI N F O ABSTRACT Article history Inappropriate use of gravity and lateral load-bearing system and the use of inappropriate materials Received March 2018 may increase in weight of the structure. Thus we see an increase in gravity and lateral forces and Accepted 25 June 2019 consequently the beam and column dimensions of elements increase. In this paper by taking Available online several samples of buildings with steel frames and number of different floors and use of different 25 June 2019 Keywords materials as well as various gravity and lateral load-bearing systems this issue was investigated. It Optimization was observed that by the use of steel bracing system in both directions of buildings with steel Steel buildings frames each different load-bearing results in minimum weight loading per unit surface of the Lightweight skeleton of structure. It was also observed more effect of lightweight construction by increasing the number of floors for all lateral load-bearing systems. Effects of lightweight construction for different lateral load-bearing systems was investigated and we observed that the effects of lightweight construction commonly used for buildings with moment frame system in both directions were more