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- Title
Experimental Study on Scale Effect of Eccentrically Compressed Reinforced Concrete Columns Strengthened with Carbon Fiber-Reinforced Polymer.
- Authors
Jianhui Si; Yuan Zhou; Zhaobao Zeng; Kai Li; Jiannan Hu; Zewei Liu; Xinchao Ding
- Abstract
Strictly following the similarity principle of specimen size, eccentricity, and carbon fiber-reinforced polymer (CFRP) strengthening layers, three groups of reinforced concrete square columns with different scales were designed. Experimental studies on eccentric compression of unstrengthened columns and CFRP-strengthened columns were carried out. The failure characteristics of specimens of various sizes were obtained, as well as the bearing capacity, ductility coefficient, lateral deflection, CFRP, and steel bar strain were analyzed. The test results showed an improved ductility, stiffness, and bearing capacity of eccentrically compressed reinforced concrete columns, strengthened with CFRP. However, the strengthening effect is inversely proportional to the size of the specimen and has a more obvious size effect.
- Subjects
CARBON fiber-reinforced plastics; CONCRETE columns; REINFORCED concrete; STEEL bars; DUCTILITY
- Publication
ACI Structural Journal, 2024, Vol 121, Issue 5, p77
- ISSN
0889-3241
- Publication type
Article
- DOI
10.14359/51740854