吉林大学学报(工学版) ›› 2022, Vol. 52 ›› Issue (7): 1582-1587.doi: 10.13229/j.cnki.jdxbgxb20210805
• 交通运输工程·土木工程 • 上一篇
强震作用下高墩桥梁上部结构抗冲击性检测方法
郭光玲(
),徐乾,付江涛()
- 陕西理工大学 土木工程与建筑学院，陕西 汉中 723000
Detection method of impact resistance of high-pier bridge superstructure under strong earthquake
Guang-ling GUO(),Qian XU,Jiang-tao FU()
- School of Civil Engineering and Architecture，Shaanxi University of Technology，Hanzhong 723000，China
摘要：
为了准确检测高墩桥梁上部结构抗冲击性能，降低结构抗冲击性检测响应时间，提出一种强震作用下高墩桥梁上部结构抗冲击性检测方法。根据峰值地面的加速度和谱加速度，选择地震强度因子（IM）参数，构建高墩桥梁IM参数组件结构的IDA曲线，对结构动力特性进行分析。水平量化处理特征数据，利用不同抗攻击性状态所对应的曲率，定义损伤状态强震作用下的高墩桥梁上部结构抗冲击性，根据地震因子动力结构特征，对高墩桥梁上部结构进行抗冲击性检测。仿真实验结果表明，本文方法的响应时间在0.5 s以下，最大实验误差为0.0615%，具有较高的判别能力，能够快速准确地完成结构抗冲击性检测。
中图分类号:
- U441.2
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