基于实测的钢筋混凝土剪力墙结构自振周期与结构尺寸关系研究  

Relationship between Natural Vibration Period and Structure Size of Reinforced Concrete Shear Wall Structure Based on Measured Data

作　　者：孟健[1,2] 周洋 林悦辉[1,2] 齐正欣 何福 MENG Jian;ZHOU Yang;LIN Yuehui;QI Zhengxin;HE Fu(Institute of Disaster Prevention,Sanhe 065201,China;Key Laboratory of Building Collapse Mechanism and Disaster Prevention,Sanhe 065201,China;Hebei Key Laboratory of Earthquake Disaster Prevention and Risk Assessment,Sanhe 065201,China)

机构地区：[1]防灾科技学院,河北三河065201 [2]中国地震局建筑物破坏机理与防御重点实验室,河北三河065201 [3]河北省地震灾害防御与风险评价重点实验室,河北三河065201

出　　处：《防灾科技学院学报》2023年第2期80-85,共6页Journal of Institute of Disaster Prevention

基　　金：中央高校基本科研业务费研究生科技创新基金资助(ZY20230316);地震科技星火计划攻关项目(XH21054);中国地震局建筑物破坏机理与防御重点实验室开放基金(FZ201102);中央高校基本科研业务费专项(20215132)。

摘　　要：在现有钢筋混凝土剪力墙结构自振周期研究成果基础上,开展基于实测结果的自振周期与结构尺寸关系研究。基于脉动法对我国华北、东北地震高风险区结构高度在40~110m的150栋高层剪力墙结构建筑进行了动力特性测试,对测试结果与规范计算公式进行了对比分析,给出了基于实测结果的钢筋混凝土剪力墙结构长短轴向基本自振周期估算公式。结果表明在40~80m建筑总高度对结构基本自振周期的影响最显著,在80~110m结构水平纵横向尺寸对结构的基本自振周期影响明显增加。According to the existing research results of the natural vibration period of reinforced concrete shear wall structures,this paper carried out studying the relationship between natural vibration period and structure size on the basis of the measured data.Firstly,the dynamic characteristics of 150 high-rise shear wall structures with structural heights of 40~110m in the high seismic risk areas of North China and Northeast China were tested by the pulsation method.Secondly,the test results were compared with the code calculation formula,and the formula for estimating the long-and short-axial basic natural vibration periods of reinforced concrete shear wall structures based on the measured data is proposed.The results show that the building with the total height of 40~80m has the most significant influence on its basic natural vibration period,and the influence of the structure with the horizontal and vertical dimensions of 80~110m on its basic natural vibration period increased significantly.

关 键 词：高层建筑 剪力墙结构 自振周期 结构尺寸 拟合公式 

分 类 号：TV32[水利工程—水工结构工程]