摘要
为改善传统民居———砖墙承重房屋的抗震性能,采用YS-JGF作为嵌缝胶泥嵌筋加固墙体。根据嵌筋间距和墙面处理方法的不同,共设计7组试件并采用拟静力试验进行研究。试验结果表明:无嵌筋墙体与嵌筋墙体裂缝的产生和分布均有所不同,且前者是脆性破坏,后者是延性破坏;嵌筋试件较无嵌筋试件的变形能力增大,且开槽深度对其有较大影响,耗能能力也明显提高;嵌筋试件的极限荷载较无嵌筋试件有一定的提高,试件QSW-4的承载力提高幅度最大,幅度达到38.60%。
In order to improve the seismic performance of traditional dwellings with brick walls,YS-JGF is used as caulking cement to reinforce the wall with embedded bars.According to the different spacing of embedded bars and the treatment of the wall,a total of seven specimens are designed and studied by pseudo-static test.The test results show that the generation and distribution of cracks are different between non-reinforced wall and reinforced wall,the former is brittle failure,and the latter is ductile failure.Compared with non-reinforced specimen,the deformability of reinforced specimen is increased,and the groove depth has a great influence on it,and the energy dissipation capacity is significantly improved.The ultimate load of reinforced specimen is higher than that of non-reinforced specimen,and the specimen of QSW-4 has the largest increase in bearing capacity,reaching 38.60%.
作者
刘链波
何忠茂
杨国江
张刘峰
林港量
Liu Lian-bo;He Zhong-mao;Yang Guo-jiang;Zhang Liu-feng;Lin Gang-liang(Faculty of Architectural Engineering,College of Science&Technology,Ningbo University,Ningbo 315300,China;Gansu Civil Engineering Research Institute Co.Ltd,Lanzhou 730000,China)
出处
《工程抗震与加固改造》
北大核心
2023年第4期118-122,129,共6页
Earthquake Resistant Engineering and Retrofitting
关键词
砖墙
抗震性能
嵌筋加固
拟静力试验
耗能能力
brick wall
seismic performance
embedded reinforcement
pseudo-static test
energy dissipation capacity
