Seismic Assessment and Renovation Study for Highway Bridges

by C. C. Chern, Natl Taiwan Univ, Taipei, Taiwan,
C. S. Yeh, Natl Taiwan Univ, Taipei, Taiwan,
K. C. Chang, Natl Taiwan Univ, Taipei, Taiwan,
J. C. Chern, Natl Taiwan Univ, Taipei, Taiwan,

Document Type: Proceeding Paper

Part of: Structural Engineering in Natural Hazards Mitigation

Abstract: This paper is concerned with hazards mitigation on highway bridges due to earthquake ground motions. Damage to transportation systems may occur if the acting faults of May-Shan and Tsu-Kou act again. This poses a significant threat to the highway bridges located in this area. Many existing bridges were designed according to old AASHTO Specifications which is not as restrictive seismically as the modern design code. In this paper, seismic capacity of the old bridges near May-Shang fault are assessed. The methodology and procedures for renovating and strengthening damaged bridges as well as a computer-integrated bridge monitoring system for important bridges are also proposed.

Subject Headings: Highway bridges | Bridge design | Seismic tests | Seismic design | Seismic effects | Bridge tests | Renovation

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