含阻尼连接的侧框架支撑作用下高耸塔器结构的动力特性研究  

Study on Dynamic Characteristics of High-rise Tower Structure Supported by Side Frame with Damping Connection

作　　者：张贵辰[1,3] 张宏涛 刘应华 Zhang Guichen;Zhang Hongtao;Liu Yinghua(School of Electrical and Control Engineering,North China University of Technology,Beijing 100043,China;School of Civil Engineering,North China University of Technology,Beijing 100043,China;School of Aerospace Engineering,Tsinghua University,Beijing 100084,China)

机构地区：[1]北方工业大学电气与控制工程学院,北京100043 [2]北方工业大学土木工程学院,北京100043 [3]清华大学航天航空学院,北京100084

出　　处：《压力容器》2020年第5期31-36,共6页Pressure Vessel Technology

基　　金：中国石油工程建设科学研究与技术开发项目(2014GJTC-04-05)。

摘　　要：为了减少风和地震等动力载荷对高耸塔器结构的影响,工程中一般采用弹性支撑的侧框架结构来增强主体塔器结构的动力稳定性。然而采用阻尼和弹性共同支撑作用下的动力分析较为复杂,需要发展简单可靠的算法。将高耸侧框架塔结构简化为支撑梁和阻尼共同作用下悬臂梁结构的振动响应问题,利用传递矩阵法建立整体结构的动力特性求解方程,得到了含阻尼连接的侧框架支撑的高耸塔器的振动频率解析解,并利用该方法对不同的阻尼、弹性参数和侧框架的支撑位置的高耸侧框架塔器结构进行动力分析,得到了不同参数组合下的振动频率解析解,并提出了工程应用的建议。In order to reduce the effects of wind load and seismic load on the high-rise tower structure,side frame with elastic support was adopted to enhance the dynamic stability of the tower structure.However,the dynamic characteristic analysis of the structure under both elastic and damping support is relatively complicated,and it is needed to develop simple and reliable algorithm.In this paper,a high-rise structure supported by side frame was simplified as a cantilever beam supported by a supporting beam with damping connection to analyze the vibration response.Transfer matrix method was utilized to establish the dynamic equation of the structure.The analytical solution of the vibration frequency was obtained.Furthermore,the dynamic characteristics of different combinations of damping parameter,elastic parameter and supporting position were analyzed,the analytical solutions were obtained and suggestions for engineering application were put forward.

关 键 词：框架塔 传递矩阵法 梁振动 阻尼支撑 弹性支撑 

分 类 号：TH123[机械工程—机械设计及理论] TQ053.5[化学工程]