This analysis finds improved structural performance in prefabricated steel-fiber-reinforced concrete panels, suggesting optimal connector layouts enhance integrity.
This study proposes and evaluates a prefabricated steel-fiber-reinforced concrete (SFRC) wall-panel system for flexural performance. Material tests were used to calibrate and validate a compression stress–strain model for SFRC with good predictive accuracy. Finite element analyses quantify the panels’ flexural capacity and the effects of wythe thickness, connector spacing, and connector layout. Results show that adding glass-fiber grids produces synergy with steel fibers, improving the composite wall system’s flexural performance. Relative to plain-concrete panels, SFRC panels exhibit 29.5% lower peak strain and 27.2% higher peak stress. FE analyses indicate that shortening the connector length reduces flexural capacity. Within the studied range, a 200 mm connector spacing delivers the best structural performance. A full-height connector layout is recommended to ensure structural integrity.
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Li et al. (2025) studied this question.
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