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Smart Structures and Systems Volume 19, Number 4, April 2017 , pages 415-429 DOI: https://doi.org/10.12989/sss.2017.19.4.415 |
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Fragility analysis of concrete-filled steel tube arch bridge subjected to nearfault ground motion considering the wave passage effect |
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Zhen Liu and Zhe Zhang
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| Abstract | ||
| This paper focuses on the impact of the wave passage effect on the long-span bridge. In order to make the wave passage effect more obvious, ground motion samples are selected from the near-fault ground motion of the 1999 Chi-Chi earthquake and an arch bridge with a 280m main span is selected as a bridge sample. The motion ground samples are divided into two groups according to the characteristics of near-fault. A sequence of fragility curves is developed. It is shown that the seismic damage is increased by the wave passage effect and the increase is more obvious in the near-fault ground motion. | ||
| Key Words | ||
| wave passage effect; near-fault ground motion; seismic fragility; concrete-filled steel tube arch bridges | ||
| Address | ||
| School of Civil Engineering, Dalian University of Technology, Dalian, 116024, China | ||