Vafaei, M. and Alih, S. C. (2016) Assessment of seismic design response factors of air traffic control towers. Bulletin of Earthquake Engineering, 14 (12). pp. 3441-3461. ISSN 1570-761X
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Abstract
Air Traffic Control (ATC) towers are among the most vital structures in each airport. Due to inadequate information regarding the seismic design and assessment of these types of structures, practicing engineers may refer to building codes. However, taking into account the special dynamic behavior of ATC towers, instructions and recommendations provided in building codes often do not comply with the required seismic performance levels of ATC towers. In this study, seismic behaviors of three in-service ATC towers with a dual concrete core lateral load resisting system were studied through pushover and incremental dynamic collapse analysis. Seismic design response factors of the reference towers were calculated. It was found that seismic design response factors adopted by the design code did not provide a uniform safety margin for all reference ATC towers. It was also observed that shorter towers have significantly higher response modification factors compared to taller towers. For the studied towers, a structural over-strength factor of 2.4 and a displacement amplification factor of 4 were obtained.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Air navigation, Air traffic control, Building codes, Codes (symbols), Control towers, Seismology, Structural design, Towers, Traffic control, Air traffic control (ATC), Displacement amplification, Dynamic collapse, Lateral load resisting systems, Overstrength, Practicing engineers, Push-over analysis, Response modification factors, Seismic design, air traffic control, assessment method, building code, collapse, concrete, dynamic analysis, loading test, safety, seismic design, seismic response |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
| Divisions: | Civil Engineering |
| ID Code: | 71821 |
| Deposited By: | Narimah Nawil |
| Deposited On: | 16 Nov 2017 05:40 |
| Last Modified: | 16 Nov 2017 05:40 |
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