锈蚀钢筋的性能及其对混凝土粘结力的影响鉴定  

The Performance of Corroded Steel Bars and Its Influence Identification on Concrete Bonding Force

作　　者：屈建民 谭玮 王云洋 孙胜伟 杨光 李明 李梦[2] QU Jian-min;TAN Wei;WANG Yun-yang;SUN Sheng-wei;YANG Guang;LI Ming;LI Meng(Hunan Bolian Engineering Testing Co.,Ltd.,Changde,Hunan,415000,China;School of Civil Engineering and Architecture,Hunan University of Arts and Science,Changde,Hunan,415000,China;China Construction Second Engineering Bureau Co.,Ltd.,Beijing,100160,China;School of Civil Engineering,Tongji University,Shanghai,200092,China)

机构地区：[1]湖南博联工程检测有限公司,湖南常德415000 [2]湖南文理学院土木建筑工程学院,湖南常德415000 [3]中国建筑第二工程局有限公司,北京100160 [4]同济大学土木工程学院,上海200092

出　　处：《建材技术与应用》2023年第6期36-40,共5页Research and Application of Building Materials

基　　金：常德市武陵区2021年度科学技术研究与开发项目(29);中国建筑股份有限公司资助课题(CSCEC-2021-Q-56);中国建筑第二工程局有限公司资助课题(2021ZX000004)。

摘　　要：为分析锈蚀钢筋的性能及其对混凝土粘结力的影响,首先对某建筑工程的锈蚀钢筋进行现场检测,然后测试锈蚀钢筋的重量偏差和力学性能,接着通过钢筋混凝土拉拔试验测试锈蚀钢筋与混凝土之间的粘结力。检测及试验结果表明,该工程钢筋锈蚀对其重量偏差、力学性能和混凝土的粘结力均无显著影响,锈蚀钢筋的重量偏差及力学性能均满足规范要求,锈蚀钢筋与混凝土的粘结力符合安全要求,但浇筑混凝土前应对锈蚀钢筋进行除锈。In order to analyze the property of corroded steel bars and their impact on concrete bond force,inspection on the corroded steel bars of a construction project on-site was carried out firstly.And then,the weight deviation and mechanical properties of the corroded steel bars were tested.Finally,bond force between corroded steel bars and concrete was tested through pull-out tests.The inspection and experimental results show that the corrosion of the steel bars has no significant impact on their weight deviation,mechanical properties,and the concrete bond force.The weight deviation and mechanical properties of the corroded steel bars meet the requirements of the specifications.The bond force between corroded steel bars and concrete is in accordance with the safety requirements.However,rust of the corroded steel bars should be cleaned before pouring concrete.

关 键 词：锈蚀钢筋 重量偏差 力学性能 拉拔试验 粘结力 

分 类 号：TU746[建筑科学—建筑技术科学]