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Consistent damage model and performance-based assessment of structural members of different materials

机译：不同材料结构成员的一致损伤模型与基于性能的评估

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摘要

Structural members of different materials in composite structures have different seismic damage performances. Consequently, a unified standard is required to evaluate the performance levels of structural members of a composite structure in order to determine the behavior and the damage process from member-level to structure level. Based on the classical Park-Ang damage model, a consistent modification of that model is proposed for structural members of different materials. Furthermore, the specific limit values of this damage model at various performance levels are calculated. Obvious differences have been found between the limit values of different types of members. In order to unify the damage limits that correspond to predefined performance levels such that a comparison between different members can be made directly, normalizing parameters for the different types of members are introduced to build the unified damage model. The finite element method utilizing the proposed damage model and performance levels produces results in good agreement with those of testing.
机译：复合结构中不同材料的结构构件具有不同的地震损伤性能。因此，需要统一的标准来评估复合结构的结构成员的性能水平，以便从成员水平到结构水平的行为和损坏过程。基于经典公园 - Ang损伤模型，提出了该模型的一致修改，用于不同材料的结构构件。此外，计算了各种性能水平下这种损伤模型的特定极限值。在不同类型成员的极限值之间发现了明显的差异。为了统一对应于预定义的性能水平的损伤限制，使得可以直接进行不同成员之间的比较，引入了不同类型成员的标准化参数以构建统一损坏模型。利用所提出的损坏模型和性能水平的有限元方法会产生良好的测试结果。

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