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<p>Compared to traditional steel plates, corrugated steel plates offered a lighter weight while providing higher strength, ensuring sufficient structural support. Corrugated steel plates effectively distributed stress, enhanced bending and shear resistance, and improve the overall bearing capacity of the infilled reinforced concrete (RC) frame. This study proposed analytical formulas for calculating the bearing capacity of infilled RC frames strengthened with corrugated steel plates. The proposed formulas were validated through experimental research, demonstrating good agreement between theoretical predictions and experimental results, with deviations of 3.97% and 9.67%. Furthermore, the influences of corrugated steel plate type, layout, and thickness on structural performance were investigated. The results indicated that greater wave heights reduced bearing capacity, while horizontal rib arrangements achieved the highest capacity, which decreased as the rib angle increased. Additionally, an increase in plate thickness enhanced bearing capacity. However, the improvement was marginal for plate types with higher ribs.</p>

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Theoretical and Experimental Study on Infilled RC Frames Strengthened with Corrugated Steel Plate

  • 期刊论文

  • 发表日期：

    2026年4月29日

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  • Ningning Feng,
  • Changsheng Wu,
  • Yang Song,
  • Jianfen Li,
  • He Gong,
  • Shulan Yang

摘要

Compared to traditional steel plates, corrugated steel plates offered a lighter weight while providing higher strength, ensuring sufficient structural support. Corrugated steel plates effectively distributed stress, enhanced bending and shear resistance, and improve the overall bearing capacity of the infilled reinforced concrete (RC) frame. This study proposed analytical formulas for calculating the bearing capacity of infilled RC frames strengthened with corrugated steel plates. The proposed formulas were validated through experimental research, demonstrating good agreement between theoretical predictions and experimental results, with deviations of 3.97% and 9.67%. Furthermore, the influences of corrugated steel plate type, layout, and thickness on structural performance were investigated. The results indicated that greater wave heights reduced bearing capacity, while horizontal rib arrangements achieved the highest capacity, which decreased as the rib angle increased. Additionally, an increase in plate thickness enhanced bearing capacity. However, the improvement was marginal for plate types with higher ribs.