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矩形截面高层建筑扭转向脉动风荷载数学模型
  • ISSN号：1000-4750
  • 期刊名称：工程力学
  • 时间：2015.6
  • 页码：177-182
  • 分类：TU973.213[建筑科学—结构工程]
  • 作者机构：[1]湖南科技大学土木工程学院, [2]湖南大学建筑安全与节能教育部重点实验室, [3]香港城市大学土木及建筑工程系
  • 相关基金：湖南省自然科学基金项目(14JJ6026);国家自然科学基金项目(51178179);国家自然科学基金重大研究计划项目(91215302);广西防灾减灾与结构安全重点实验室开放课题项目(2013ZDK 06)
  • 相关项目：超高建筑风效应的现场实测, 风洞试验和数值模拟的综合研究
作者： 李永贵|李秋胜|戴益民|
关键词： 高层建筑, 扭转向脉动风荷载, 风洞试验, 数学模型, 抗风设计
中文摘要：

在边界层风洞中完成了一系列矩形截面高层建筑刚性模型的同步测压试验,研究了根方差扭矩系数和基底扭矩功率谱的基本特性。结果表明,层根方差扭矩系数沿高度呈抛物线分布,基底根方差扭矩系数随厚宽比的增大而增大。厚宽比小于1时,基底扭矩功率谱有一个明显的窄带谱峰;厚宽比大于1时,出现两个谱峰,随着厚宽比的增大,两个谱峰逐渐靠近。以厚宽比为自变量,拟合得到了根方差扭矩系数和基底扭矩功率谱的计算公式。

同期刊论文项目
超高建筑风效应的现场实测, 风洞试验和数值模拟的综合研究
期刊论文 40 会议论文 1 专利 3
重大建筑与桥梁强/台风灾变的集成研究
期刊论文 346 会议论文 117 获奖 2 著作 3
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典型桥梁断面软颤振现象及影响因素
大跨度屋盖结构极值风压概率分布特征研究
高速列车经过时跨线天桥表面风压小波分析
Monitoring of wind effects on a low-rise building during typhoon landfalls and comparison to wind tu
Investigation of the effects of free-stream turbulence on wind-induced responses of tall building by
Experimental investigation of characteristics of torsional wind loads on rectangular tall buildings
Theoretical investigation on rain-wind induced vibration of a continuous stay cable with given rivul
电涡流调谐质量阻尼器在钢-混凝土组合楼盖振动控制中的应用研究
结构风振响应极值估计方法比较
某高层建筑实测风场和风压的相关性研究
典型桥梁断面的二维抖振响应分析
永磁式电涡流调谐质量阻尼器的研制与性能试验
不同风障形式下桥梁断面行车风环境及颤振性能
大跨悬索桥颤振主动控制面理论研究
桥梁自激力脉冲响应函数及颤振时域分析
桥梁自激力的状态空间模型的时频特性
高层建筑气动弹性模型风洞试验研究
环境风激励下的深圳平安金融中心模态参数识别
深圳平安金融中心施工监测与模拟研究
NUMERICAL SIMULATION ON THE WIND FIELD STRUCTURE OF A MOUNTAINOUS AREA BESIDE SOUTH CHINA SEA DURING THE LANDFALL OF TYPHOON MOLAVE
张拉膜结构风致动力灾变研究进展
大跨度钢拱桥吊杆频率预估方法与实测验证
均匀风场中矩形单体高层建筑风致响应的阻塞效应
群体高层建筑模型风洞试验阻塞效应的修正
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
  • 《工程力学》
  • 中国科技核心期刊
  • 主管单位:中国科学技术协会
  • 主办单位:中国力学学会
  • 主编：袁驷
  • 地址：北京清华大学新水利馆114号
  • 邮编：100084
  • 邮箱：gclxbjb@tsinghuae.du.cn
  • 电话：010-62788648
  • 国际标准刊号：ISSN：1000-4750
  • 国内统一刊号：ISSN：11-2595/O3
  • 邮发代号:82-862
  • 获奖情况:
  • 1999年获在物理、力学类刊物中影响因子位居第二（0...
  • 国内外数据库收录:
  • 荷兰文摘与引文数据库,美国工程索引,美国剑桥科学文摘,日本日本科学技术振兴机构数据库,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）,中国北大核心期刊（2000版）
  • 被引量:32789