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大跨度钢拱桥吊杆频率预估方法与实测验证
  • ISSN号：1671-2579
  • 期刊名称：《中外公路》
  • 时间：0
  • 分类：U448.22[建筑科学—桥梁与隧道工程;交通运输工程—道路与铁道工程]
  • 作者机构：[1]广东电网有限责任公司电力科学研究院,广东广州510080, [2]湖南大学风工程试验研究中心
  • 相关基金：基金项目：作者简介：国家自然科学基金青年基金资助项目（编号：50908085;91215302）;交通部重大专项（编号：2011318824140）;中国南方电网有限责任公司科技项目（编号：GDKJQQ20153010）
作者： 雷旭[1,2], 牛华伟[2], 陈谨林[2], 陈政清[2], 黄智文[2], 聂铭[1], 谢文平[1]
关键词： 大跨度钢拱桥, 吊杆频率, 估算公式, 支撑条件系数, 欧拉临界荷载修正系数
中文摘要：

以国内某新建大跨度钢拱桥吊杆为对象,研究了吊杆频率估算方法,并通过现场实测频率进行了分析与验证。对比研究了通过频率估算经验公式、有限元分析得到的吊杆频率的差异,通过环境激励和强迫振动激励下的现场试验获得了实桥吊杆的频率值,并基于实测结果考察了频率估算方法的准确性。发现采用整体有限元模型计算吊杆振动频率有较好的精度,并基于实测数据拟合给出了吊杆顺桥向与横桥向1阶弯曲频率估算的支撑条件系数和欧拉临界荷载修正系数。

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板式电涡流阻尼系数的计算与试验修正方法
基于稳态简谐激励的人行桥模态参数识别
一种板式电涡流阻尼器的有限元模拟及试验分析
大跨度桥梁高阶涡振幅值对比风洞试验研究
高层建筑表面风压干扰效应研究
平流层飞艇的多目标优化与决策
Analysis of Nonstationary Wind Fluctuations Using the Hilbert-Huang Transform
建筑物对屋顶风场的影响
球形屋面风压系数风洞试验研究
基于时域叠加的反应谱拟合的新方法
大跨度悬索桥吊索减振技术研究与应用
不同风嘴形式分体箱梁桥梁的静力风致稳定性能
角部处理的二维方柱风压分布特性的试验研究
开口桥梁断面颤振及气动措施的数值与试验研究
钻石型桥塔五分力系数的数值模拟
TMD等强度悬臂梁实际应用时的频率精确分析
平行分离双幅桥气动导数识别的混合强迫振动试验法
基于欧拉多相流模型的桥梁主梁三维风驱雨数值研究
胶带运输机机罩风压特性风洞试验研究
大跨度屋盖结构抗风软件平台构建
不同索径拉索风雨激励稳定性影响试验研究
开口叠合梁断面气动性能的试验研究
桥梁断面颤振导数识别的耦合自由振动测力法
Large Deformation Beam/Cable Element with Implicit Kinematic Model
带连接箱开槽箱梁气动导纳识别试验研究
Dynamic Impact of the Vertical Shear of Gradient Wind on the Tropical Cyclone Boundary Layer Wind Field
Marine-Atmospheric Boundary Layer Characteristics over the South China Sea During the Passage of Strong Typhoon Hagupit
期刊信息
  • 《中外公路》
  • 中国科技核心期刊
  • 主管单位:长沙理工大学
  • 主办单位:长沙理工大学
  • 主编：刘玉兰
  • 地址：湖南省长沙市万家丽南路二段960号
  • 邮编：410004
  • 邮箱：zhongwaigonglu@163.com
  • 电话：0731-85258033
  • 国际标准刊号：ISSN：1671-2579
  • 国内统一刊号：ISSN：43-1363/U
  • 邮发代号:42-63
  • 获奖情况:
  • 交通部优秀科技期刊,湖南省优秀科技期刊,公路运输类中文核心期刊
  • 国内外数据库收录:
  • 中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）
  • 被引量:15085