摘要
外套式加固是近年来新兴的加固既有结构的方法,加固后的“外套”能替原有结构吸收外部作用力,提高结构的延性和承载力,因其具有施工周期短、不入户施工、不影响建筑使用功能的优点,被越来越多地应用于实际工程的加固。我国修建时间较早的老旧房屋采用外套式加固方法能提高其抗震能力。通过回顾国内外对既有结构进行外套式加固的现状,归纳了外套式加固对于既有结构抗震性能的影响,分析了外套式加固既有结构的试验研究、数值研究以及工程应用,提出了外套式加固方法需要进一步研究的问题,并对外套式加固今后的研究方向提出相关建议。
Cladding reinforcement(CR)is an emerging method for strengthening existing structures in recent years.The reinforced“cladding”can absorb external forces for the original structure and improve the ductility and bearing capacity of the structure.Due to its advantages of short construction period,no indoor construction and no impact on the use function of the building,it is increasingly applied to the reinforcement of practical projects.For old buildings built earlier in our country,the CR method can enhance its seismic resistance.By reviewing the current situation of the CR of existing structures at home and abroad,we summarize the influence of CR on the seismic performance of existing structures.Through analyzing the experimental research,numerical research and engineering application of CR on existing structures,we propose the problems that need further study of CR method and further put forward relevant suggestions for future research directions of CR.
作者
刘翔宇
郭晓云
赵志漪
LIU Xiangyu;GUO Xiaoyun;ZHAO Zhiyi(Institute of Disaster Prevention,Sanhe 065201,China)
出处
《防灾科技学院学报》
2023年第4期46-56,共11页
Journal of Institute of Disaster Prevention
基金
中央高校基本科研业务费(ZY20230319)
地震科技星火计划攻关项目(XH21054)。
关键词
既有建筑
外套式加固
试验研究
抗震性能
加固工艺
existing building
cladding reinforcement
seismic performance
reinforcement technology
