[1]翁志雄,李升才,朱永甫.不同剪跨比节能砌块隐形密框复合墙体恢复力模型[J].华侨大学学报(自然科学版),2021,42(5):590-597.[doi:10.11830/ISSN.1000-5013.202102039]
　WENG Zhixiong,LI Shengcai,ZHU Yongfu.Restoring Force Model of Energy-Saving Block Masonry Composite Walls With Different Shear Span Ratio[J].Journal of Huaqiao University(Natural Science),2021,42(5):590-597.[doi:10.11830/ISSN.1000-5013.202102039]
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不同剪跨比节能砌块隐形密框复合墙体恢复力模型()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第42卷
期数:
2021年第5期
页码:
590-597
栏目:
出版日期:
2021-09-20

文章信息/Info

Title:
Restoring Force Model of Energy-Saving Block Masonry Composite Walls With Different Shear Span Ratio
文章编号:
1000-5013(2021)05-0590-08
作者:
翁志雄1;  李升才1;  朱永甫2
1. 华侨大学 土木工程学院, 福建 厦门 361021;2. 闽南理工学院 绿色建筑施工与管理福建省高校工程研究中心, 福建 泉州 362700
Author(s):
WENG Zhixiong1;  LI Shengcai1;  ZHU Yongfu2
1. College of Civil Engineering, Huaqiao University, Xiamen 361021, China; 2. Minnan University of Science and Technology, Fujian Engineering Research Center for Construction and Management of Green Buildings, Quanzhou 362700, China
关键词:
复合墙体;  滞回曲线;  骨架曲线;  恢复力模型;  节能砌块
Keywords:
composite wall;  hysteretic curve;  skeleton curve;  restoring force model;  energy-saving block
分类号:
TU398
DOI:
10.11830/ISSN.1000-5013.202102039
文献标志码:
A
摘要:
为研究不同剪跨比节能砌块隐形密框复合墙体的抗震性能和恢复力特征,对6个1/2缩尺试件进行水平低周往复加载试验,考虑不同剪跨比对试件的破坏结果、滞回特性、骨架曲线、刚度退化等抗震性能指标的影响.根据节能砌块隐形密框复合墙体的滞回特性和受力特点得到该墙体的恢复力模型.研究结果表明:当剪跨比增大时,试件的延性及耗能能力提高,刚度退化速率降低;试件滞回曲线捏拢明显且都为反S形;提出的不同剪跨比节能砌块隐形密框复合墙体恢复力计算模型与复合墙体的试验曲线有较好的吻合度.
Abstract:
In order to study the seismic performance and restoring force characteristics of the energy-saving block masonry composite walls with different shear span ratios, the horizontal low-cycle reciprocating loading test was carried out on six 1/2-scale specimens with different shear span ratios. The effects of different shear span ratios on the seismic performance were investigated, such as the failure results, hysteretic behavior, skeleton curve and stiffness degradation of the specimens. According to the hysteresis and force characteristics of the energy-saving block masonry composite walls, the restoring force model of the wall was obtained. The research results show that as the shear span ratio increases, the ductility and energy consumption of the specimens improves, and the stiffness degradation rate decreases; the hysteresis curves of the specimens are pinched obviously and all are reverse S-shaped; based on the restoring force model, the calculation curve of the energy-saving block masonry composite walls with different shear span ratios is in good agreement with the experimental curve.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2021-02-26
通信作者: 李升才(1960-),男,教授,博士,博士生导师,主要从事结构抗震的研究.E-mail:lsc50605@hqu.edu.cn.
基金项目: 国家自然科学基金资助项目(51578253); 福建省科技计划引导性项目(2020Y0087); 福建省泉州市科技计划项目(2018C083R)http://www.hdxb.hqu.edu.cn
更新日期/Last Update: 2021-09-20