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<p>This study investigated the structural performance of large-scale walls constructed with Compressed Earth Blocks (CEBs) under lateral in-plane loading direction. This research is part of an overall initiative to assess the applicability of CEBs as an environmentally friendly alternative construction technique in the Gulf region, particularly the state of Kuwait. The CEBs utilized in the study were manufactured from locally available soils and stabilizing materials in the state of Kuwait. Three different half-sized walls (1840.00&#xa0;mm height x 1190.00&#xa0;mm width) were constructed and subjected to structural testing. The first wall was constructed using standard Concrete Masonry Units (CMUs), the second wall was constructed using CEBs and the third wall was constructed using CEBs reinforced externally with Carbon Fiber Reinforced Polymer (CFRP). All three walls were loaded quasi-statically in the in-plane direction until failure. The results showed that the CMU wall outperformed the CEB wall in terms of initial stiffness, energy dissipation, maximum lateral load and ductility. However, reinforcing the CEB wall with CFRP lamination notably improved its overall performance, with comparable results to the CMU wall performance, with enhanced ductility. The study findings confirmed the potential of strengthening methods to significantly enhance the structural performance of existing structures, offering cost-effective and environmentally sustainable alternatives to conventional construction practices.</p>

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In-plane structural performance of Compressed Earth Block walls strengthened with carbon fiber reinforced polymer under quasistatic loading

  • 期刊论文

  • 发表日期：

    2025年6月13日

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  • Ahmad S. Saad,
  • Taha A. Ahmed,
  • Rana Lakys,
  • Ali Radwan,
  • Moustafa Hefny

摘要

This study investigated the structural performance of large-scale walls constructed with Compressed Earth Blocks (CEBs) under lateral in-plane loading direction. This research is part of an overall initiative to assess the applicability of CEBs as an environmentally friendly alternative construction technique in the Gulf region, particularly the state of Kuwait. The CEBs utilized in the study were manufactured from locally available soils and stabilizing materials in the state of Kuwait. Three different half-sized walls (1840.00 mm height x 1190.00 mm width) were constructed and subjected to structural testing. The first wall was constructed using standard Concrete Masonry Units (CMUs), the second wall was constructed using CEBs and the third wall was constructed using CEBs reinforced externally with Carbon Fiber Reinforced Polymer (CFRP). All three walls were loaded quasi-statically in the in-plane direction until failure. The results showed that the CMU wall outperformed the CEB wall in terms of initial stiffness, energy dissipation, maximum lateral load and ductility. However, reinforcing the CEB wall with CFRP lamination notably improved its overall performance, with comparable results to the CMU wall performance, with enhanced ductility. The study findings confirmed the potential of strengthening methods to significantly enhance the structural performance of existing structures, offering cost-effective and environmentally sustainable alternatives to conventional construction practices.