Buy article PDF
The purchased file will be sent to you
via email after the payment is completed.
US$ 35
|
Earthquakes and Structures Volume 17, Number 1, July 2019 , pages 1-15 DOI: https://doi.org/10.12989/eas.2019.17.1.001 |
|
|
|
Effects of pulse-like nature of forward directivity ground motions on the seismic behavior of steel moment frames |
||
Iman Mansouri, Shahrokh Shahbazi, Jong Wan Hu and Salar Arian Moghaddam
|
||
| Abstract | ||
| In the structures with high level of ductility, the earthquake energy dissipation in structural components is an important factor that describes their seismic behavior. Since the connection details play a major role in the ductile behavior of structure, in this paper, the seismic response of 3-, 5- and 8-story steel special moment frames (SMFs) is investigated by considering the effects of panel zone modeling and the influence of forward-directivity near-field ground motions. To provide a reasonable comparison, selected records of both near and far-field are used in the nonlinear time-history analysis of models. The results of the comparison of the median maximum inter-story drift under excitation by near-field (NF) records and the far-field (FF) ground motions show that the inter-story drift demands can be obtained 3.47, 4.86 and 5.92 times in 3-, 5- and 8-story structures, respectively, undergoing near-field earthquakes. | ||
| Key Words | ||
| special steel moment frame; forward directivity; inter-story drift; panel-zone, near-field | ||
| Address | ||
| Iman Mansouri: Department of Civil Engineering, Birjand University of Technology, Birjand, Iran Shahrokh Shahbazi: TAAT Investment Group, Tehran, Iran Jong Wan Hu: Department of Civil and Environmental Engineering, Incheon National University, Incheon 22012, South Korea; Incheon Disaster Prevention Research Center, Incheon National University, Incheon 22012, South Korea Salar Arian Moghaddam: International Institute of Earthquake Engineering and Seismology (IIEES), Tehran, Iran | ||