同济大学学报（自然科学版）2024，Vol.52Issue(5)：684-696,13.DOI:10.11908/j.issn.0253-374x.24033
正交胶合木新型抗剪及抗拉连接耗能特性试验
Experimental Study on Energy Dissipation Capacity of Novel Dissipative Connections for CLT Structures
摘要
Abstract
Connections are essential in ensuring the seismic performance of timber structures,and the energy dissipation capacity of connections is an important index to measure the serviceability of connections for earthquakes.In this paper,the novel dissipative angle bracket and hold-down for cross-laminated timber(CLT)structures were proposed.Fifteen sets of cyclic loading tests were conducted to evaluate the failure mechanisms and mechanical properties of these connections.Almost all the tested specimens have a ductility larger than 9.0,meeting the requirements of Eurocode 8 for high ductility connections with D＞6,and belonging to the high ductility class.The strength degradation of the novel dissipative connections in the working stage less than 20％,indicating the engineering applicability of the novel connections.The equivalent viscous damping ratio of the novel dissipative connections in the working stage is 12％～22％,and that of the common commercial connections is 2.5％～15.8％,indicating the high energy-consuming capacity of the novel connections.关键词
正交胶合木/新型连接节点/耗能特性/力学性能/破坏模式Key words
cross-laminated timber(CLT)/novel connection/energy dissipation characteristics/mechanical property/failure mechanism分类
建筑与水利引用本文复制引用
熊海贝,武喆,陈佳炜..正交胶合木新型抗剪及抗拉连接耗能特性试验[J].同济大学学报（自然科学版）,2024,52(5):684-696,13.基金项目
国家自然科学基金面上项目(51978502) （51978502）
