大跨度悬索式管道桥施工过程中人致振动响应分析  

Analysis of Human Induced Vibration Response During the Construction of Long Span Suspension Pipeline Bridge

作　　者：籍飞 Ji Fei(Anhui Provincial Highway Engineering Construction Supervision Co.,Ltd.,Hefei,China)

机构地区：[1]安徽省公路工程建设监理有限责任公司,安徽合肥

出　　处：《科学技术创新》2023年第16期157-160,共4页Scientific and Technological Innovation

摘　　要：为实现对大跨度悬索式管道桥施工过程中人致振动响应分析,开展下述研究。首先,构建了人致振动数学模型。其次,通过大跨度悬索式管道桥基本情况分析和人致振动荷载参数计算,完成对悬索式管道桥施工阶段参数的分析。再通过单自由度简化振动响应计算、全桥有限元模型时程分析,完成人致振动响应计算。最后,得到大跨度悬索式管道桥临界人数和行人舒适度评价结果。以期为优化大跨度悬索式管道桥跨越能力,对提升地形高差适应能力提供理论数据支撑。In order to achieve the analysis of human induced vibration response during the construction process of large-span suspension pipeline bridges,the following research was conducted.Firstly,a mathematical model of human induced vibration was constructed.Secondly,through the analysis of the basic situation of the large-span suspension pipeline bridge and the calculation of human-induced vibration load parameters,the analysis of the parameters during the construction phase of the suspension pipeline bridge is completed.By simplifying the vibration response calculation with a single degree of freedom and analyzing the time history of the full bridge finite element model,the human induced vibration response calculation is completed.Finally,the critical number of people and pedestrian comfort evaluation results of the large-span suspension pipeline bridge were obtained.In order to optimize the crossing capacity of large-span suspension pipeline bridges and provide theoretical data support for improving the adaptability to terrain elevation differences.

关 键 词：大跨度 管道桥 振动响应 过程 施工 悬索式 

分 类 号：U441.3[建筑科学—桥梁与隧道工程]