Title:
Compression Behavior of Fibrous Self-Consolidating Concrete Columns Reinforced with Basalt Fiber-Reinforced Polymer Bars and Spirals
Author(s):
S. Ali Dadvar, S. Mousa, H. M. Mohamed, A. Yahia, and B. Benmokrane
Publication:
Structural Journal
Volume:
122
Issue:
4
Appears on pages(s):
85-96
Keywords:
axial load-displacement; basalt fiber-reinforced polymer (BFRP) reinforcement; column; compression; confinement; failure mechanisms; fibrous self-consolidating concrete (FSCC); reinforcement ratio.
DOI:
10.14359/51746672
Date:
7/1/2025
Abstract:
Limited research work has been done so far on fibrous self-consolidating concrete (FSCC) columns reinforced with fiber-reinforced polymer (FRP) bars under axial compressive load. This paper presents an experimental study of innovative FSCC columns reinforced with basalt FRP (BFRP) bars. The main objectives of this
study included investigating the compression behavior and failure
mechanisms of full-scale circular FSCC columns reinforced with
BFRP bars and ties. In addition, analyzing the impact of using
synthetic fibers on the peak capacity and pseudo-ductility of the
BFRP-FSCC columns was considered. For this study, a total of
eight columns were tested under concentric load, and the test variables were the longitudinal reinforcement ratio, transverse reinforcement ratio, and reinforcement and concrete types. Test results revealed that the FSCC column reinforced with BFRP bars and the FSCC column reinforced with steel bars had similar behavior and failure modes. The compression failure in the concrete controlled the ultimate capacity of specimens. Lastly, adding fibers improved the specimens’ peak load, post-peak behavior, and pseudo-ductility under axial compression load.
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