Multiple-support seismic response of Bosporus Suspension Bridge for various random vibration methods. (June 2016)

• Record Type: Journal Article
• Authors: Adanur, Süleyman; Altunişik, Ahmet Can; Soyluk, Kurtuluş; Bayraktar, Alemdar; Dumanoğlu, A. Aydın
• Is Part Of: Case studies in structural engineering. Volume 5(2016:Jun.)
• Page Start: 54
• Page End: 67
• Publication Date: 2016-06
• Subjects: Suspension bridge -- Bosporus bridge -- Spatially varying ground motion -- Random vibration analysis -- Spectral analysis -- Multiple support response spectrum method; Structural engineering -- Case studies -- Periodicals; 624.105
• DOI: 10.1016/j.csse.2016.04.001
• Languages: English
• ISSNs: 2214-3998

Abstract

Abstract: This paper presents a study about the spatial variability effects of ground motions on the dynamic behavior of a suspension bridge by a random vibration based spectral analysis approach and two response spectrum methods. Bosphorus Suspension Bridge built in Turkey and connects Europe to Asia in Istanbul is selected as a numerical example. The spatial variability of ground motions between the support points is taken into account with a coherency function that characterizes the incoherence, wave-passage and site-response effects. Power spectral density function and response spectrum values used in random vibration analyses are determined depending on the recordings of August 17, 1999, Kocaeli, Turkey earthquake. From the results, it can be observed that the structural responses for each random vibration analysis depend largely on the intensity and frequency contents of power spectral density functions.