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Determination of Design Acceleration Spectra for Different Site Conditions, Magnitudes, Safety Levels and Damping Ratios in Iran
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نویسنده
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GHODRATI AMIRI GHOLAMREZA ,MANOUCHEHRI DANA FARZAD ,SEDIGHI SIAVASH
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منبع
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international journal of civil engineering - 2008 - دوره : 6 - شماره : 3 - صفحه:184 -197
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چکیده
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By application of design spectra in seismic analyses, determination of design spectra for differentsite conditions, magnitudes, safety levels and damping ratios will improve the accuracy of seismic analysisresults. the result of this research provides different design acceleration spectra based on iran earthquakesdatabase for different conditions. fur this purpose first a set of 146 records was selected according tocausative earthquake specifications, device error modification and site conditions. then the designacceleration spectra are determined for 4 different site conditions presented in iranian code of practice furseismic resistant design ofbuildings (standard no. 2800), different magnitudes (ms(less than or equal)5.5& ms(greater than)5.5), differentdamping ratios (0, 2, 5, l o, 20 percent) and also various safety levels (50% & 84%). also this researchcompares the determined design spectra with those in standard no. 2800.
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کلیدواژه
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Design Acceleration Spectrum; Site Conditions; Magnitude; Safety Level; Damping
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آدرس
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iran university of science and technology, COLLEGE OF CIVIL ENGINEERING, CENTER OF EXCELLENCE FOR FUNDAMENTAL STUDIES IN STRUCTURAL ENGINEERING, ایران, iran university of science and technology, COLLEGE OF CIVIL ENGINEERING, CENTER OF EXCELLENCE FOR FUNDAMENTAL STUDIES IN STRUCTURAL ENGINEERING, ایران, iran university of science and technology, COLLEGE OF CIVIL ENGINEERING, CENTER OF EXCELLENCE FOR FUNDAMENTAL STUDIES IN STRUCTURAL ENGINEERING, ایران
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پست الکترونیکی
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ghodrati@iust.ac.ir
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Authors
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