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February 21, 2026Procedia Structural IntegrityOpen Access

Seismic strengthening of exterior RC beam-column joint: basalt vs. carbon FRCM systems

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Authors

TFTeklewoin Haile FitwiKTKlajdi ToskaFFFlora Faleschini

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Overview

Experimental study examines carbon and basalt FRCM effectiveness for enhancing seismic resistance in concrete joints, suggesting improved safety.

Key Points

  • The aim is to evaluate the effectiveness of carbon and basalt FRCM systems in strengthening seismically deficient RC beam-column joints.
  • Developed an experimental program with control and strengthened specimens.
  • Tested specimens to failure to assess performance under load.
  • Applied FRCM strengthening after simulating realistic seismic damage.
  • Instrumented all specimens to track structural response during loading.
  • Both carbon and basalt FRCM systems resulted in significant strength enhancement.
  • Both systems provided additional energy dissipation capacity.
  • Strengthening altered the failure mechanism from brittle joint shear to favorable beam-joint failure mode.

Cite This Study

Fitwi et al. (2026) studied this question.

synapsesocial.com/papers/69994aab873532290d01f016https://doi.org/10.1016/j.prostr.2025.12.226
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Retrofitting damaged reinforced concrete beam-column joints with carbon and basalt FRCM2026
  2. 2EXPLORING THE STRUCTURAL PREFORMANCE OF BASALT FIBERS IN CONCRETE BEAM AND BEAM-COLUMN JOINTS: AN EXPERMENTAL INVESTIGATION2025
  3. 3Seismic Behavior of RC Columns Retrofitted with FRCM Jackets2026
  4. 4Flexural-shear behavior of degraded RC beams strengthened with C-FRCM under the coupling effect of a corrosive environment and a sustained load2026
  5. 5Material characterization and structural behavior of RC beams strengthened with innovative carbon ultra–high–performance FRCM system2026