Abstract
An innovative seismic retrofit strategy to improve earthquake resistance of steel bridges has been developed. The strategy involves the use of ductile steel bridge end-diaphragms which have been calibrated to yield before the strength of the substructure is reached. Based on analytical studies, the proposed ductile diaphragms exhibit an appropriate ultimate seismic behavior, and the impact of the intermediate diaphragms on seismic performance of the slab-on-girder bridges is minimal. Laboratory testing demonstrate their large initial elastic stiffness, high strength and capacity to dissipate hysteretic energy.
| Original language | English |
|---|---|
| Pages (from-to) | 42-43 |
| Number of pages | 2 |
| Journal | Journal of Constructional Steel Research |
| Volume | 46 |
| Issue number | 1-3 |
| DOIs | |
| State | Published - 1998 |
| Event | Proceedings of the 1998 2nd World Conference on Steel in Construction - San Sebastian, PR, USA Duration: May 11 1998 → May 13 1998 |
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