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<p>To analyze the monolithic collapse resistance of reinforced concrete column-steel beam frames, adjustments were made to the layout, and the design was optimized to meet relevant regulations and codes. Concrete and steel beam strengths were determined, reinforcement details finalized, and a physical model was constructed in the laboratory following applicable standards. Different load levels were applied to the model using a mixed force-displacement controlled loading method. Displacement and strain data were collected at various measurement points under these loads to evaluate the collapse rate through simulation and experimental measurements. The results reveal that measuring point 7 was the first to exhibit failure due to external loading. However, other areas, including the concrete and steel reinforcements, showed only minor damage, preserving the frame’s integrity. Compared to frames made solely of concrete or steel, the reinforced concrete column-steel beam configuration demonstrated superior safety, with an overall collapse rate not exceeding 35%.</p>

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RETRACTED ARTICLE: Analysis of monolithic collapse resistance of reinforced concrete column-steel beam frame structures

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年2月6日

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  • Kaimin Duan,
  • Guofeng Zhang

摘要

To analyze the monolithic collapse resistance of reinforced concrete column-steel beam frames, adjustments were made to the layout, and the design was optimized to meet relevant regulations and codes. Concrete and steel beam strengths were determined, reinforcement details finalized, and a physical model was constructed in the laboratory following applicable standards. Different load levels were applied to the model using a mixed force-displacement controlled loading method. Displacement and strain data were collected at various measurement points under these loads to evaluate the collapse rate through simulation and experimental measurements. The results reveal that measuring point 7 was the first to exhibit failure due to external loading. However, other areas, including the concrete and steel reinforcements, showed only minor damage, preserving the frame’s integrity. Compared to frames made solely of concrete or steel, the reinforced concrete column-steel beam configuration demonstrated superior safety, with an overall collapse rate not exceeding 35%.