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Genealogy of Performance-Based Seismic Design: Is the Present a Re-crafted Version of the Past?

Gulkan, P.
Sozen, Mete A.
Structural engineering for earthquake resistance is undergoing a major revision in its approach toward the fulfillment of seismic safety and utilitarian serviceability in design. Rather than sticking to the established precepts of prescriptive design rules, design has turned toward the achievement of specific results through procedures that are tailored for different buildings and uses. These procedures represent notable research contributions, but they are complicated conceptually for implementation in structural engineering practice, and nonlinear building response estimates, frequently assumed to be performance, can vary within broad limits even for simple applications.