- 摘 要
-
（中國中元國際工程有限公司， 北京 100089）
［摘要］從黏滯阻尼器減震結(jié)構(gòu)的附加阻尼比公式出發(fā)，引入位移損失，推導(dǎo)了附加阻尼比與阻尼器出力、阻尼器等效串聯(lián)剛度、結(jié)構(gòu)剛度等參數(shù)之間的關(guān)系，提出最優(yōu)損失率和損失剛度比概念。通過實際工程的參數(shù)分析，得到位移角減震率隨阻尼系數(shù)、地震作用的變化規(guī)律，并用理論推導(dǎo)的結(jié)論對變化規(guī)律進行了解析。為應(yīng)用黏滯阻尼器的消能減震結(jié)構(gòu)優(yōu)化設(shè)計提供了理論依據(jù)。
［關(guān)鍵詞］黏滯阻尼器；附加阻尼比； 位移損失；消能減震設(shè)計
中圖分類號：TU352-1+2文獻標(biāo)識碼：A文章編號：1002-848X(2021)03-0098-05
Research on the influence of viscous damper displacement loss on damping performance of structure
RAN Tianran, SHI Cheng, ZHANG Tongyi, ZHANG Nabin, HUANG Ming
(China IPPR International Engineering Co., Ltd., Beijing 100089, China)
Abstract:Starting from the formula of additional damping ratio of damping structures with viscous dampers, displacement loss was considered to derive the relationship between the additional damping ratio and the damper output, the equivalent series stiffness of the damper and the structural stiffness. The concepts of optimal loss rate and loss stiffness ratio were proposed. Through the parameter analysis of the actual project, the variation rule of displacement angle reduction ratio with damping coefficient and earthquake action was obtained, which was analyzed by the theoretically deduced conclusion, providing a theoretical basis for the application of viscous dampers in the optimization design of energy-dissipated structures.
Keywords:viscous damper;additional damping ratio; displacement loss;energy-dissipated design
作者簡介：冉田苒，碩士，工程師，Email:rtr2133@163.com；通信作者：石誠，碩士，高級工程師，一級注冊結(jié)構(gòu)工程師，Email: shichengcheng@139.com。
