Research on the Bond Anchorage Properties of Alkali-Activated Slag Cementitious Material

1st International Workshop on Materials Science and Mechanical Engineering

材料科学;机械制造

Zhu, J.^1 ; Zheng, W.Z.^2 ; Leng, Y.F.^1 ; Qin, C.Z.^1 ; Xu, Z.Z.^1

College of Civil Engineering and Architecture, Harbin University of Science and Technology, Harbin

150080, China^1

Key Lab of Structures Dynamic Behavior and Control, Ministry Education, Harbin Institute of Technology, Harbin

150090, China^2

关键词: Alkali activated slags;    Anchorage lengths;    Bond anchorage;    Carbon fiber sheets;    High temperature;    High-temperature resistant;    Increasing temperatures;    Property tests;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/281/1/012005/pdf
DOI  :  10.1088/1757-899X/281/1/012005

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

By bond-anchorage property tests at 20°C ∼500°C, the distribution of shear stress between carbon fiber sheets and concrete at all levels of loading and anchorage lengths were measured, which means the bond lengths during CFRP sheets are pulled off at the same time when the concrete is torn and stripped were gotten. The failure modes were obtained. In addition, the failure loads were measured, and the calculated formulas of anchorage lengths were identified by fitting at high temperature. It can be seen that the anchorage lengths of carbon fiber sheets increase with increasing temperature at 20°C ∼100°C, the anchorage lengths of carbon fiber sheets decrease with increasing temperature at 100°C ∼500°C. Tests prove that AASCM has favorable high-temperature resistant and bond anchorage properties.