一种适用于村镇建筑的摩擦耗能器滞回性能研究  

Research on hysteretic behavior of new friction dissipator for rural buildings

作　　者：左恒 张龙飞[1] 陶忠 Zuo Heng;Zhang Longfei;Tao Zhong(Faculty of Civil Engineering and Mechanics,Kunming University of Science and.Technology,Kunming 650500,China;Department of Public Safety and Emergency Management,Kunming University of Science andTechnology,Kunming 650093,China)

机构地区：[1]昆明理工大学建筑工程学院,云南昆明650500 [2]昆明理工大学公共安全与应急管理学院,云南昆明650093

出　　处：《建筑科学》2019年第3期113-119,共7页Building Science

基　　金：科技支撑计划课题(2013BAK13B01);国家科技支撑计划课题(2014BAL06B03)

摘　　要：研发了一种低成本的钢管橡胶摩擦耗能器,设计制作了两种不同构造形式的耗能器试件进行了在不同加载幅值和连续疲劳条件下的低周反复加载试验,并基于试验结果进行了恢复力模型研究。结果表明:①钢管橡胶摩擦耗能器滞回曲线饱满,耗能良好,成本低廉,构造简单,适用于村镇新建建筑或加固改造工程;②耗能器位移相关性明显,其耗能能力随着滑移位移的增大而近似线性增大;③对耗能器的摩擦橡胶块进行倒角处理能够使耗能器在连续疲劳加载中保持较强且稳定的耗能能力;④可采用Bouc-wen模型模拟未进行摩擦橡胶块倒角处理的耗能器滞回特性;⑤采用叠加模型模拟进行了摩擦橡胶块倒角处理的耗能器滞回特性是合理可行的。A low cost steel pipe-rubber friction dissipator is developed,and two specimens of different conformation are designed.And Besides fatigue test,low-cycle reverse load tests under the conditions of different amplitudes of the dissipator are carried out.The hysteretic model of pipe-rubber friction dissipator is studied.The test results show that:①the dissipator hysteresis curves are plump and energy dissipation capacity is excellent,and it is low cost and simple construction,so it is suitable for new buildings or reinforcement projects in rural;②the energy dissipation capacity of dissipator is related to load amplitude,the energy dissipation capacity of dissipator approximate linear increases with the increase of slip displacement;③the dissipator can maintain strong and stable energy dissipation capability in continuous fatigue test which the specimen of chamfering treatment of rubbing rubber blocks;④Bouc-wen model can be used to simulate the hysteretic characteristics of dissiaptor which friction rubber blocks without chamfered;⑤using the superposition model to simulate the hysteretic characteristics of dissiaptor are reasonable and feasible for the specimen of friction rubber blocks chamfered.

关 键 词：摩擦耗能器 村镇建筑 试验研究 恢复力模型 

分 类 号：TU313[建筑科学—结构工程]