[1]杨 旺,高永林,陶 忠,等.剪切型阻尼器增强大头榫节点模型试验研究[J].西安建筑科技大学学报(自然科学版),2024,56(04):525-534.[doi:10.15986/j.1006-7930.2024.04.006]
　YANG Wang,GAO Yonglin,TAO Zhong,et al.Experimental study on shear dampers for strengthening mortise-tenon joints[J].J. Xi'an Univ. of Arch. & Tech.(Natural Science Edition),2024,56(04):525-534.[doi:10.15986/j.1006-7930.2024.04.006]
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剪切型阻尼器增强大头榫节点模型试验研究()
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西安建筑科技大学学报（自然科学版）[ISSN:1006-7930/CN:61-1295/TU]

卷:
56
期数:
2024年04期
页码:
525-534
栏目:
出版日期:
2024-08-28

文章信息/Info

Title:
Experimental study on shear dampers for strengthening mortise-tenon joints
文章编号:
1006-7930(2024)04-0525-10
作者:
杨 旺1; 2; 高永林1; 2; 陶 忠1; 2; 赵党书1; 苏何先1; 2
(1.昆明理工大学 建筑工程学院,云南 昆明 650500; 2.云南省工程抗震研究所,云南 昆明 650500)
Author(s):
YANG Wang1; 2; GAO Yonglin1; 2; TAO Zhong1; 2; ZHAO Dangshu1; SU Hexian1; 2
(1.School of Civil Engineering and Mechanics, Kunming University of Science and Technology, Kunming 650500, China; 2.Yunnan Engineering Seismic Research Institute, Kunming 650500, China)
关键词:
大头榫节点;  抗震性能;  阻尼器;  低周反复加载试验
Keywords:
dovetail mortise-tenon joint;  seismic performance;  damper;  low cycle repeated loading test
分类号:
TU366
DOI:
10.15986/j.1006-7930.2024.04.006
文献标志码:
A
摘要:
中国传统木结构建筑破坏主要由榫卯节点松动、变形及拔榫引起.为解决榫卯节点容易松动、变形及拔榫破坏问题,引入节点阻尼器技术,在传统木结构建筑榫卯节点处安装扇形剪切型阻尼器.为研究传统木结构典型节点大头榫安装阻尼器后的抗震性能及增强效果,设计制作了6个大头榫足尺节点模型,其中3个榫卯节点未装阻尼器,3个榫卯节点安装阻尼器.通过低周反复加载试验研究6个试验模型的滞回特性、骨架曲线、刚度退化曲线及等效黏滞阻尼系数变化规律.研究结果表明:安装阻尼器可以有效控制节点的拔榫破坏; 同时有效增强节点耗能、强度及刚度; 安装阻尼器节点模型的极限承载力是未安装节点模型的1.5～3.5倍.
Abstract:
The damage of traditional Chinese timber structure buildings is mainly caused by the loosening, deformation and pulling out of mortise and tenon joints. Aiming at the problems of easy loosening, deformation and tenon failure of mortise and tenon joints, the joint damper technology is introduced, and the fan-shaped shear damper is installed at the mortise and tenon joints of traditional wooden structure buildings. In order to study the seismic performance and strengthening effect of the typical joints of traditional timber structures after the installation of dampers, six dovetail tenon joint models were designed and manufactured, of which three mortise and tenon joints were not installed with dampers, and three mortise and tenon joints were installed with dampers. The hysteretic response,skeleton curve,stiffness degradation curve and equivalent viscous damping coefficient curves of the six test models were studied by low cycle repeated loading tests. The results show that the installation of dampers can effectively control the tenon failure of the joints; at the same time, the energy consumption, strength and stiffness of the joints are effectively enhanced. The ultimate bearing capacity of the damper models is 1.5～3.5 times that of the models without damper.

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备注/Memo

备注/Memo:
收稿日期:2023-07-26修回日期:2024-06-11
基金项目:国家自然科学基金(51868032,51168025)
第一作者:杨 旺(1997—),男,硕士生,主要从事木结构抗震防灾研究.E-mail:1621587062@qq.com
通信作者:高永林(1981—),男,博士,副教授,高级工程师,主要从事木结构建筑、钢结构研究.E-mail:120542171@qq.com
更新日期/Last Update: 2024-08-28