兰州理工大学学报

兰州理工大学学报 ›› 2020, Vol. 46 ›› Issue (4): 116-121.

• 建筑科学 • 上一篇    下一篇

小高层结构屋顶不同的TMD设置方式减震对比分析

丁艳梅1,2, 王腾1,2, 寇兴亭2, 焦振宇2, 宋彧1,2,3   

  1. 1.山东省高校设施园艺实验室, 山东 潍坊 262700;
    2.潍坊科技学院 建筑工程学院, 山东 潍坊 262700;
    3.兰州理工大学 土木工程学院, 甘肃 兰州 730050
  • 收稿日期:2019-04-11 出版日期:2020-08-28 发布日期:2020-11-10
  • 作者简介:丁艳梅(1985-),女,山东寿光人,讲师,硕士.
  • 基金资助:
    国家地区科学基金(51468040),山东省高校设施园艺实验室资助项目(2018YY005,2018YY060 )

A comparative analysis of damping effect in small high-rise with different roof-TMD

DING Yan-mei1,2, WANG Teng1,2, KOU Xing-ting2, JIAO Zhen-yu2, SONG Yu1,2,3   

  1. 1. Facility Horticulture Laboratory of Universities in Shandong, Weifang 262700, China;
    2. School of Civil Engineering and Architectural, Weifang University of Science and Technology, Weifang 262700, China;
    3. College of Civil Engineering, Lanzhou University of Technology, Lanzhou 730050, China
  • Received:2019-04-11 Online:2020-08-28 Published:2020-11-10

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摘要： 根据屋顶水箱和保温层对房屋整体结构减震的作用,建立采用铅芯橡胶支座的3种不同屋顶的TMD控制装置的小高层结构模型,即单水箱屋顶TMD、双水箱屋顶TMD和屋顶保温层TMD.在此基础上运用有限元分析和动力时程分析方法对控制装置的减震效果进行计算对比.对比结果表明,3种屋顶TMD控制装置均有明显的减震效果;当质量比控制在3%以内时,质量越大,屋顶TMD荷载分布越均匀,减震效果越好;屋顶保温层TMD减震效果最好,双水箱屋顶TMD的减震效果次之,单水箱屋顶TMD的减震效果最差.本项研究成果可以为TMD的后续研究和设计提供理论依据.

关键词: 高层结构, 耗能减震, 屋顶TMD, 动力响应

Abstract: According to the damping effect of roof water tank and thermal insulation layer on the overall structure of a house, this paper establishes three kinds of TMD control devices for different roofs with lead rubber bearings, i.e. TMD for single water tank roof, TMD for double water tank roof and TMD for roof thermal insulation layer. The seismic reduction effect of those control devices is predicted and compared then by means of finite element analyses and dynamic time-history analyses as well. The compared results indicate that these three kinds of roof-TMD have obviously vibration-suppressing effect. As the quality ratio is within 3% the greater the mass is, the more homogeneous distribution of load is, the batter the vibration-suppressing effect will be. Among which the thermal-insulating roof-TMD is the best, the double tank-TMD becomes the second, and the single tank-TMD takes the worst. Our research findings may provide a theoretical basis for the follow-up study and design of TMD.

Key words: high-rise structure, passive energy dissipation, roof-TMD, dynamic response

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