Performance-Based Seismic Bridge Design (2013) / Chapter Skim
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Pages 86-89
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From page 86... ...
86 CHAPTER THIRTEEN CONCLUSIONS AND SUGGESTED RESEARCH PERFORMANCE-BASED SEISMIC DESIGN IMPLEMENTATION Performance-based seismic design (PBSD) comprises four primary activities or steps: hazard analysis, structural analysis, damage analysis, and loss analysis.
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From page 87... ...
87 be linked to user- or owner-selected performance levels and then matched with user-selected seismic hazard levels. Envisioned are multiple performancebased deformation limit states, such as no collapse, minimal damage, and no damage.
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From page 88... ...
88 developed under Items 1, 2, and 3 in the short-term category would be used with fragility relationships. Such damage states may include primary structural systems of bridges and nonstructural systems, such as the roadway alignment.
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From page 89... ...
89 The bottom line is that PBSD may be useful to the profession in several ways, and there likely is a short-term strategy that will serve the engineering community well and a longterm strategy that will serve the public with more meaningful data and decision points regarding the design for natural hazards in a way that heretofore has not been possible. This will be a technical and an educational challenge for the bridge engineering community in the coming years.
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