Two practical approaches, response spectrum and time-history methods, are developed to evaluate the response of flexible multi-degree-of-freedom (MDF) systems, notably long-span bridges, to multiple-support seismic excitations. For practical convenience, ground motions within a group of adjacent sup
โฆ LIBER โฆ
Nonstationary response analysis of suspension bridges for multiple support excitations
โ Scribed by C.-H. Hyun; C.-B. Yun; D.-G. Lee
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 723 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0266-8920
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In this paper, the spatial variability effects of ground motions on the dynamic behaviour of long-span bridges are investigated by a random vibration based spectral analysis approach and two response spectrum methods. The spatial variability of ground motions between the support points is taken into