Ghodrati Amiri G, Manouchehri Dana F, Sedighi S. Determination of Design Acceleration Spectra for Different Site Conditions, Magnitudes, Safety Levels and Damping Ratios in Iran. IJCE 2008; 6 (3) :184-197
URL:
http://ijce.iust.ac.ir/article-1-178-en.html
Abstract: (11717 Views)
By application of design spectra in seismic analyses, determination of design spectra for different
site conditions, magnitudes, safety levels and damping ratios will improve the accuracy of seismic analysis
results. The result of this research provides different design acceleration spectra based on Iran earthquakes
database for different conditions. For this purpose first a set of 146 records was selected according to
causative earthquake specifications, device error modification and site conditions. Then the design
acceleration spectra are determined for 4 different site conditions presented in Iranian code of practice for
seismic resistant design of buildings (Standard No. 2800), different magnitudes (MsO5.5 & Ms>5.5), different
damping ratios (0, 2, 5, 10, 20 percent) and also various safety levels (50% & 84%). Also this research
compares the determined design spectra with those in Standard No. 2800.
Type of Study:
Research Paper |