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  • Important Date
  • August 8, 2025

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[Oral Presentation]基于多城市路网的桥梁网络抗震韧性快速评估方法:结合综合韧性指标与Staking模型

基于多城市路网的桥梁网络抗震韧性快速评估方法:结合综合韧性指标与Staking模型
ID:122 View Protection:ATTENDEE Updated Time:2025-08-08 15:24:18 Hits:144 Oral Presentation

Start Time:2025-08-15 21:50 (Asia/Shanghai)

Duration:10min

Session:[S1] 8月15日晚上 研究生分会 » [S1-2] 研究生分会场二

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Abstract
本文提出了一种基于多个城市路网的桥梁网络抗震韧性评估方法。该方法综合考虑了桥梁网络的结构特征与交通特征,进而提出了结构韧性和功能韧性结合的综合韧性指标,以全面评估桥梁网络的抗震韧性表现。为了满足快速评估的需求,本文构建了基于Stacking模型的桥梁网络抗震韧性评估模型。此外,采用桥梁参数化建模方式,以14个城市路网为基础,利用WGAN模型建立了包含5000个桥梁网络的样本库,为韧性评估模型提供了充足的训练数据。最后,以Anaheim某地区桥梁网络为例,评估了该网络的结构韧性与功能韧性。结果表明,在不同PGA水平下,该网络综合韧性的计算值与预测值之间的最大相对误差为8.74%,最大绝对误差为0.025,验证了模型的有效性。
 
Keywords
Speaker
刘生海
学生 兰州理工大学

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