损伤钢筋混凝土框架加固后地震损伤分析

通过对3榀相同的钢筋混凝土框架进行模拟地震作用的水平低周反复荷载试验，选取基于滞回特性和能量耗散的累积损伤模型，对复合加固、碳纤维加固框架的累积损伤程度加以计算，从而评价模型的适用性。结果表明，加固对于降低框架的累积损伤程度是有效的，累积损伤模型能够综合地反映结构的累积损伤特征，从而为结构的修复加固提供参考依据。

Seismic Damage Assessment of Damaged RC Frame

In this paper low frequency cyclic reverse tests of three RC frames with the same dimensions are performed to study the response under the action of earthquake. In order to evaluate the applicability of model, the cumulative damage model based on hysteretic characteristics and energy dissipation is chosen to calculate the degree of cumulative damage of the RC Frames strengthened by composite reinforcement method and carbon fiber reinforcement method. The results show that, reinforcement is effective to reduce the cumulative damage of frame, and the model can synthetically reflect the characteristics of the cumulative damage of the structure, thus provides reference for structure reinforcement.