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ISSN : 1026-3098
e-ISSN : 2345-3605
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Publication Information : Volume 24 - Number 1 - Successive Number 1
Type : Article
Topics of Paper : Transaction on Civil Engineering
English Title : Ground Motion Prediction Equation for Inelastic Spectral Displacement in Iran
English Abstract : This paper is devoted to investigate the inelastic displacement spectra compatible to Iran.  Owing to inadequacy of code-compliant elastic design spectra to predict structural damage during sever earthquakes, different approaches are proposed to overcome this problem. Inelastic design spectrum is one of the most well-known methods introduced by researchers. In practice, attenuation relationships can be used in probabilistic seismic hazard analysis to obtain the inelastic design spectrum. In this paper a new ground motion prediction equation has been proposed for inelastic spectral displacement. In this regard, 806 horizontal ground motions are utilized with magnitudes ranging from 4 to 7 and epicentral distances less than 200 Km which are obtained from 330 earthquakes in Iran. According to the tectonic condition, Iran zonecan be divided into two parts: Zagrosand Alborz-central Iran. However, three equations have been presented for the whole country zone, Zagros and Alborz-central Iran zones, separately. The main parameters such as earthquake magnitude, site-source distance and site conditions have been related to the inelastic spectral displacement. Based on average shear wave velocity to a depth of 30m, sites have been categorized into three classes. For practical purpose, simplified equations have been proposed to predict inelastic spectral displacements for Iran.
English Keywords : Ground-Motion Prediction Equation; Inelastic Spectrum; Inelastic Displacement; Iran.
Refrences :
Number Of Pages :
From 164 to 182


Authors :
The AuthorAuthor SequenceOrganizationOrganization ( english )AffiliationEmailEducation
Engineer Majid Bararnia 3Shahid Beheshti UniversityShahid Beheshti University m_bararnia@sbu.ac.ir 
Dr Nemat Hassani
(Author)
1Shahid Beheshti UniversityShahid Beheshti University hassani@pwut.ac.irAssistance
Dr Golamreza Ghodrati Amiri 2Iran University of Science & TechnologyIran University of Science & Technology ghodrati@iust.ac.irProfessor
Dr Fereidoon Sinaeian 4Building and Housing Research Center Building and Housing Research Center  sinaiean@yahoo.com 
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