(1 长沙市轨道交通集团有限公司, 长沙 410027;2 中机国际工程设计研究院有限责任公司, 长沙 410007)

摘要: 根据国家政策和规范的相关规定,超过一定层数的空斗墙砌体结构存在一定程度的安全隐患. 对湖南省辖区范围的居民自建房空斗墙砌体结构的安全性进行全面排查,结果发现:空斗墙砌体结构宜根据《危险房屋鉴定标准》(JGJ 125—2016)和《农村住房危险性鉴定标准》 ( JGJ/ T 363—2014),判定其构件的危险等级和可靠性. 根据低烈度区地震灾害调查,3 层以下的空斗墙砌体结构基本能满足小震可修、中震不倒的目标要求. 按《砌体结构设计规范》(GBJ 3—88)(1988 年版)计算的空斗墙砌体受压承载力,与国内开展的试验数据吻合较好,可作为结构安全性验算的依据.

关键词: 居民自建房; 砌体结构; 空斗墙; 结构检测; 鉴定标准

中图分类号:TU318 文献标志码:A 文章编号:1002-848X(2023)06-0131-06

DOI:10. 19701 / j. jzjg. LS220199

Research on detection and identification of masonry structure of rowlock cavity wall of residential self-built house

CHEN Li1, TAN Guangyu2, GUAN Jie2, HE Qinghua2, MEI Zhijun2, WANG Yanan2, LUO Shaowen2

(1 Changsha Metro Group Co. , Ltd. , Changsha 410027, China;2 China Machinery International Engineering Design & Research Institute Co. , Ltd. , Changsha 410007, China)

Abstract:According to the relevant provisions of national policies and norms, masonry structure of rowlock cavity wall withmore than a certain number of layers has a certain degree of safety risks. The safety of masonry structure of rowlock cavitywall of residential self-built houses in Hunan province was investigated comprehensively. The results show that the riskgrade and reliability of the components of masonry structure of rowlock cavity wall should be determined according toStandard of dangerous building appraisal ( JGJ 125—2016) and Standard of fatalness evaluation of rural area building(JGJ/ T 363—2014). According to the investigation of earthquake disaster in low intensity area, the masonry structure ofrowlock cavity wall below 3 stories can basically meet the requirements that it can be repaired in small earthquake and doesnot collapse in moderate earthquake. The bearing capacity of rowlock cavity wall calculated according to The code formasonry structure design (GBJ 3—88) (1988 edition) is in good agreement with the test data, which can be used as thebasis for checking the structure safety.

Keywords:residential self-built house;masonry structure; rowlock cavity wall; structural detection; identification standard

第一作者:陈立,硕士,高级工程师,一级注册结构工程师,主要从事结构设计与技术研究,Email:24887370@ qq. com.

[引用本文] 陈立,谭光宇,关杰,等. 居民自建房空斗墙砌体结构检测与鉴定研究[ J]. 建筑结构,2023,53(6):131-136. CHEN Li,TAN Guangyu,GUAN Jie, et al. Research on detection and identification of masonry structure ofrowlock cavity wall of residential self-built house[J]. Building Structure,2023,53(6):131-136.