A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Strong Motion Records of Two Suspension Bridges in a M4.8 Earthquake
Earthquake records of in-service, long-span bridges provide valuable insights into their seismic behavior and performance. In this paper, the strong motion records of arrays installed at two steel suspension bridges in a M4.8 earthquake are illustrated and preliminarily analyzed. The data reveal that the differences in the arrival times of peaks and valleys appear to be significant, which clearly illustrates the wave propagation effect. It is also shown that the differences in local soil conditions at different towers have significant influence on the spectra and time history of ground motions. The results suggest that the spatial variation of seismic ground motions induced by local site effect should receive more attention in seismic design and analysis of long-span bridges.
Strong Motion Records of Two Suspension Bridges in a M4.8 Earthquake
Earthquake records of in-service, long-span bridges provide valuable insights into their seismic behavior and performance. In this paper, the strong motion records of arrays installed at two steel suspension bridges in a M4.8 earthquake are illustrated and preliminarily analyzed. The data reveal that the differences in the arrival times of peaks and valleys appear to be significant, which clearly illustrates the wave propagation effect. It is also shown that the differences in local soil conditions at different towers have significant influence on the spectra and time history of ground motions. The results suggest that the spatial variation of seismic ground motions induced by local site effect should receive more attention in seismic design and analysis of long-span bridges.
Strong Motion Records of Two Suspension Bridges in a M4.8 Earthquake
Wang, Lixin (author) / Jiang, Hui (author) / Zhao, Xianren (author) / Li, Xueyan (author)
Geo-Shanghai 2014 ; 2014 ; Shanghai, China
2014-05-05
Conference paper
Electronic Resource
English
Strong Motion Records of Two Suspension Bridges in a M4.8 Earthquake
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