介绍了结构抗震性能水准的划分、抗震性能目标的确定以及常用的基于性能的抗震设计方法。

Structural performance levels, performance objectives, and usual performance-based seismic design methods are introduced in this paper.

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根据结构特征、构件的部位和重要程度以及开发商的需求，针对不同设防水准的地震作用，制订了一系列抗震性能目标。

Depending on structural features, importance of occupancy and needs of developers, seismic performance objectives were reasonably selected corresponding to the seismic levels.

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