摩擦阻尼器的研究进展

Research progress of friction dampers

摩擦阻尼器是一种运用摩擦阻尼原理耗散由振动输入到结构中能量的减震装置。相比传统的减震(振)阻尼器,摩擦阻尼器具有以下几点优势:工程结构安装的便利性、构造加工组装的简易性、较大的初始刚度及性能方面的稳定性等。整理并总结国内外学者在摩擦阻尼器方面取得的大量研究成果,包括摩擦阻尼器的类型、性能影响因素、试验研究以及国内外摩擦阻尼器的工程应用4个方面,讨论摩擦阻尼器在减震(振)领域的发展历程与研究现状。通过对摩擦阻尼器发展脉络与现状的梳理介绍,为其在结构消能减震中的应用选择提供理论指导依据和设计参考,进而推动摩擦阻尼器在研究及工程领域的发展。

Friction damper is a kind of damping device that uses the principle of friction damping to dissipate the energy input into the structure from vibration.Compared with traditional damping dampers,friction dampers have the following advantages:the convenience of engineering structure installation,ease of construction and assembly,large initial stiffness,and stability in performance.This paper summarized a large number of research achievements on friction dampers made by domestic and foreign scholars,including the types of friction dampers,performance influencing factors,experimental research,and engineering applications of friction dampers at home and abroad,then discusses the development process and research status of friction dampers in the field of shock absorption.Through an introduction to the development context and current status of friction dampers,it provides theoretical guidance and design reference for the application and selection of friction dampers in structural energy dissipation and shock absorption,thus promoting the development of friction dampers in research and engineering.