Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Performance of Cold-Formed Steel Frames In-filled by Polystyrene Light Weight Concrete Subjected to Lateral Load
Abstract Today, it is very important to apply innovative technologies and materials for the purpose of constructing lightweight buildings, reducing time built, and improving the performance and earthquake resistance of buildings. In such walls, the empty spaces are normally filled with stone wool and polystyrene blocks. To this end, lightweight concrete (LWC) can also be used, which results in an improvement in behavior of these frames; it makes the walls considerably stiffer and reduces the local buckling of sections. This research was carried out for evaluating the performance of cold-formed steel frame in-filled by polystyrene lightweight concrete using ABAQUS software. In this study, three cold-formed steel frames were introduced with 2.4 m length, 1.4 m height, and 5 cm thickness and analyzed under lateral load. The first specimen was consisted of studs and runners with semi-rigid connections and without bracing. The second specimen consisted of studs and runners with X-shaped bracings. Finally, the third one was similar to the first one except that the cavity between members was filled using Polystyrene lightweight concrete. To achieve the best type of LWC and explore the optimum mix design with efficient concrete consistent with the frame system, testing was done on totally 30 samples of perlite and polystyrene concrete and compared with each other. Based on the results, in comparison with strap bracing, because of high stiffness of in-filled frames, they could act as the main lateral load-bearing system, hence attracting more portions of the lateral excitations.
Performance of Cold-Formed Steel Frames In-filled by Polystyrene Light Weight Concrete Subjected to Lateral Load
Abstract Today, it is very important to apply innovative technologies and materials for the purpose of constructing lightweight buildings, reducing time built, and improving the performance and earthquake resistance of buildings. In such walls, the empty spaces are normally filled with stone wool and polystyrene blocks. To this end, lightweight concrete (LWC) can also be used, which results in an improvement in behavior of these frames; it makes the walls considerably stiffer and reduces the local buckling of sections. This research was carried out for evaluating the performance of cold-formed steel frame in-filled by polystyrene lightweight concrete using ABAQUS software. In this study, three cold-formed steel frames were introduced with 2.4 m length, 1.4 m height, and 5 cm thickness and analyzed under lateral load. The first specimen was consisted of studs and runners with semi-rigid connections and without bracing. The second specimen consisted of studs and runners with X-shaped bracings. Finally, the third one was similar to the first one except that the cavity between members was filled using Polystyrene lightweight concrete. To achieve the best type of LWC and explore the optimum mix design with efficient concrete consistent with the frame system, testing was done on totally 30 samples of perlite and polystyrene concrete and compared with each other. Based on the results, in comparison with strap bracing, because of high stiffness of in-filled frames, they could act as the main lateral load-bearing system, hence attracting more portions of the lateral excitations.
Performance of Cold-Formed Steel Frames In-filled by Polystyrene Light Weight Concrete Subjected to Lateral Load
Parastesh, Hossein (Autor:in) / Pakizeh, Mohammad Rezaeian (Autor:in) / Hejazi, Farzad (Autor:in)
13.05.2018
23 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
Performance of Cold-Formed Steel Frames when Subjected to Earthquake Loadings
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Hothouses and cold frames of light weight concrete
| Engineering Index Backfile | 1940