Static Load Tests Study of improved Anchors for CFRP Tendon

2nd International Symposium on Application of Materials Science and Energy Materials

材料科学;能源学

Cai, Wenhua^1 ; Yu, Bujun^2 ; Zhang, Jun^1

Civil Engineering, Yancheng Institute of Technology, Yancheng

224003, China^1

Infrastructure Office, Yancheng Institute of Technology, Yancheng

224003, China^2

关键词: Anchoring performance;    Breaking forms;    Inner walls;    Load slip;    Loading process;    Static load tests;    Taper angles;    Uniaxial tensile;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/490/3/032008/pdf
DOI  :  10.1088/1757-899X/490/3/032008

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

The original anchoring performance is not good enough, and the failure mode is not ideal. This paper improves and redesigns the clip anchor for CFRP tendon. The improved anchor has two-piece clips, eliminates the difference in taper angle between the anchor cup and the clip, and adjusts the slit on the clip. And then, through the uniaxial tensile static load tests of the anchorage assemblies, the failure modes and load-slip behaviour of CFRP tendon in the loading process are studied. The results showed that the improved anchor for CFRP tendon had a good anchoring performance, the CFRP tendons destructed outside the anchor that achieved an ideal breaking form. The treatment on the inner wall of the clip and the use of aluminum sheets can effectively reduce the slip of the anchor and enhance the anchoring performance. The research work done for clip anchorages of CFRP tendon had provided reliable basis for the wider application of CFRP tendons in civil engineering.