COI code: ICSAU06_0149
Paper Language: English
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Authors Seismic analysis of geometric parameters of OGRID brace in a frame with different spansHesamoddin meshkat razavi - Assistant Professor of Islamic Azad University, Department of structural, Torbat-e Heydarieh branch, Iran,
Sayed esmael sadat - Graduated student of Islamic Azad University, Mashhad, Iran,
Mehran majidi - Graduated student of Islamic Azad University, Torbat-e Heydarieh branch, Iran
seyed morteza mehrabi - Graduated student of Islamic Azad University, Torbat-e Heydarieh branch, Iran
Abstract:The OGrid system is one of the bracing systems that have been recently proposed by researchers. This system consists of ductile elements placed in the moment frame. These elements absorb the energy of seismic loads. One of the advantages of this system is rapid replacement of damaged parts after exposure to seismic loads. In the OGrid system, there are members are placed as ductile elements in the moment frame to absorb the energy absorption. In addition to stiffness and ductility, these systems have lower architectural constraints. Moreover, following an earthquake, the damaged parts can also be replaced. In this research, the system is verified with a valid experimental sample, and then by changing the type of ductile elements and applying this system to different spans of varying cross sections, the seismic parameters such as stiffness, energy absorption and ultimate strength are calculated and compared with each other. The results suggest that utilizing profiles with a higher moment of inertia around its axis in the moment frame can improve the ductility and other seismic parameters, including stiffness and ultimate strength of the system so that with 80% increase in moment of inertia, the parameters of energy absorption, ultimate strength, stiffness can be increased by about 20%. Also, the use of a OGrid brace in a T3 frame, compared to the other two arrangements, enhances the energy absorption of the system.
Keywords:ductile element, stiffness, ultimate strength, ductility, moment of Inertia
COI code: ICSAU06_0149
how to cite to this paper:If you want to refer to this article in your research, you can easily use the following in the resources and references section:
meshkat razavi, Hesamoddin; Sayed esmael sadat; Mehran majidi & seyed morteza mehrabi, 2019, Seismic analysis of geometric parameters of OGRID brace in a frame with different spans, 6th. National Congress on civil engineering, architecture and urban development, تهران- دانشگاه علم و صنعت ايران, دبيرخانه دائمي كنگره-دانشگاه ميعاد با همكاري دانشگاه شيراز - دانشگاه مراغه و دانشگاه علم و صنعت ايران, https://www.civilica.com/Paper-ICSAU06-ICSAU06_0149.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (meshkat razavi, Hesamoddin; Sayed esmael sadat; Mehran majidi & seyed morteza mehrabi, 2019)
Second and more: (meshkat razavi; sadat; majidi & mehrabi, 2019)
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The University/Research Center Information:
Type: Azad University
Paper No.: 650
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