[1]周培龙,李 扬,黄中华. FRP筋混凝土在低温下的粘结性能[J].湖北工业大学学报,2021,(5):100-103.
　ZHOU Peilong,LI Yang,HUANG Zhonghua. Bond Properties of Frp Bars and Concrete at Low Temperature[J].,2021,(5):100-103.
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 FRP筋混凝土在低温下的粘结性能()
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《湖北工业大学学报》[ISSN:1003-4684/CN:42-1752/Z]

卷:
期数:
2021年第5期
页码:
100-103
栏目:
湖北工业大学学报
出版日期:
2021-10-31

文章信息/Info

Title:
 Bond Properties of Frp Bars and Concrete at Low Temperature
文章编号:
1003-4684(2021)05-0100-04
作者:
 周培龙;  李 扬;  黄中华
 湖北工业大学土木建筑与环境学院， 湖北 武汉 430068
Author(s):
 ZHOU Peilong;  LI Yang;  HUANG Zhonghua
 School of Civil Engin.,Architecture and Environment,Hubei Univ. of Tech.,Wuhan 430068,China
关键词:
 ; 低温 ;  梁试拉拔试验 ;  FRP筋 ;  粘结性能
Keywords:
 ; low temperature;  beam test drawing test;  FRP tendons;  bonding performance
分类号:
TU502
文献标志码:
A
摘要:
 通过自主设计的低温加载设备，对0~-30 ℃范围内的FRP筋混凝土试件进行四点弯梁式拉拔试验。该试验考虑了温度、FRP筋直径和粘结长度等影响因素，通过测得粘结应力[CD*2/3]滑移曲线在低温下的变化规律，分析FRP筋和混凝土在低温下的粘结性能。研究结果表明：在低温环境下，FRP筋混凝土的粘结性能随温度的降低有明显增强的趋势；增加FRP筋的直径和粘结长度，FRP与筋混凝土的粘结性能会随之减弱。
Abstract:
 The four-point bending beam drawing test was carried out for FRP bars and concrete specimens in the range of 0~-30℃ by the self-designed low temperature loading equipment. In this test, the influence factors such as temperature, DIAMETER of FRP bars and bond length are considered, and the change rule of bond stress-slip curve at low temperature is measured, and the bond performance of FRP bars and concrete at low temperature is analyzed. The results show that the bond performance of FRP bars and concrete increases with the decrease of temperature at low temperature. If the diameter and bonding length of FRP bars are increased, the bonding performance of FRP and reinforced concrete will be weakened.

参考文献/References:

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备注/Memo

备注/Memo:
 ［收稿日期］ 2020-11-25
［基金项目］ 湖北省科技厅自然科学基金面上项目（2020CFB860）
［第一作者］ 周培龙(1994-)， 男， 河南许昌人，湖北工业大学硕士研究生，研究方向为低温下FRP筋混土的力学性能
［通信作者］ 李    扬(1986-)， 男， 工学博士，宁夏石嘴山人，湖北工业大学副教授，研究方向为混凝土裂缝控制及极端温度下混凝土构件力学性能
更新日期/Last Update: 2021-11-01