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Structural Engineering and Mechanics Volume 39, Number 3, August10 2011 , pages 411-425 DOI: https://doi.org/10.12989/sem.2011.39.3.411 |
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Analytical fragility curves for typical Algerian reinforced concrete bridge piers |
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Abderrahmane Kibboua, Mounir Naili, Djillali Benouar and Fouad Kehila
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| Abstract | ||
| This paper illustrates the results of a seismic vulnerability study aimed to derive the fragility curves for typical Algerian reinforced concrete bridge piers using an analytical approach. Fragility curves express the probability of exceeding a certain damage state for a given ground motion intensity (e.g., PGA). In this respect, a set of 41 worldwide accelerometer records from which, 21 Algerian strong motion records are included, have been used in a non-linear dynamic response analyses to assess the damage indices expressed in terms of the bridge displacement ductility, the ultimate ductility, the cyclic loading factor and the cumulative energy ductility. Combining the damage indices defined for 5 damage rank with the ground motion indices, the fragility curves for the bridge piers were derived assuming a lognormal distribution. | ||
| Key Words | ||
| analytical fragility curves; damage index; bridge piers; strong motion records | ||
| Address | ||
| Abderrahmane Kibboua and Mounir Naili: National Earthquake Engineering Centre, C.G.S 01, Rue Kaddour RAHIM, BP 252, Hussein Dey, Alger, Algeria Djillali Benouar: Bab Ezzouar University of Science & Technology, USTHB BP 32, El Alia, Bab Ezzouar, Alger, Algeria Fouad Kehila: National Earthquake Engineering Centre, C.G.S 01, Rue Kaddour RAHIM, BP 252, Hussein Dey, Alger, Algeria | ||