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Papers abstract:
Results of testing twelve hollow core square reinforced concrete columns wrapped with Carbon fiber reinforced polymer (CFRP) are presented. The effect of fiber orientation on the performance of specimens under concentric and eccentric loads was investigated. Twelve specimens (200 mm _ 200 mm in cross section, 800 mm in height and having an 80 mm square hole) were divided into four groups with three specimens each. The specimens in the first reference group were unwrapped, while the specimens in the remaining groups were wrapped with CFRP of different wrap combinations of three fiber orientations (0˚, 45˚, and 90˚ with respect to the circumferential direction). The specimens in each group were tested under three eccentricities: 0 (concentric), 25, and 50 mm up to failure. Test results show that all wrapping configurations increased both the strength and ductility of hollow core square reinforced concrete columns. However, the increase of compressive strength was marginal. The columns, which were wrapped exclusively with hoop configuration, proved to have the greatest ductility. Axial load-bending moment P–M interaction diagrams of each group were drawn based on the experimental results and compared with theoretical calculations.
Product Overview:
This tutorial provides a step-by-step Abaqus simulation of CFRP-confined hollow RC columns, replicating experimental data from the provided ISI paper. Key simulation steps include:
In this tutorial, axial compression and eccentric loading are simulated, according to data from the work of Hadi & Le.
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