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<p>The infrastructural development are raising rapidly due to increasing awareness over satisfying human needs and utilization of sustainable material. The rebar is major backbone for concrete beam construction, due to the potential move towards sustainability rebar are developed using fiber reinforced polymer composite. Various researchers are interested in developing rebar using polymer composite. In this study investigations, the surface modified flax fiber and bagasse biochar particle reinforced polyester composite rebar and their mechanical, thermal conductivity, and water absorption behavior of the composite. The utilization of waste biomass and introduction of sustainable rebar material in a cost effective manner. The result of the study analyzed that composite rebar R12 of 30 vol% of chopped flax fiber and 3 vol% of biochar particle shows better tensile, flexural and compression properties of the rebar composite of 124&#xa0;MPa, 169&#xa0;MPa, and 121&#xa0;MPa respectively. This increased mechanical study values is because of better While increasing filler concentration of 5 vol%, shows reduction in tensile, flexural, compression properties but hardness, thermal conductivity, water absorption, and flame retardant properties of 86 shore-D, 0.572&#xa0;W/mK, 0.26%, and 8.89&#xa0;mm/min respectively. Further, the scanning electron microscopy analysis provides structural arrangements of fiber and filler reinforced composite rebar. Owing to such structural, thermal, and moisture absorption features, the present study could potentially be applied in various civil infrastructural applications.</p>

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Performance evaluation and load-bearing assessment of sustainable polyester rebar composites reinforced with chopped flax fibers and bagasse biochar

  • 期刊论文

  • 发表日期：

    2025年12月10日

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  • M. Joni,
  • T. Kavitha,
  • Arun Kumar. A

摘要

The infrastructural development are raising rapidly due to increasing awareness over satisfying human needs and utilization of sustainable material. The rebar is major backbone for concrete beam construction, due to the potential move towards sustainability rebar are developed using fiber reinforced polymer composite. Various researchers are interested in developing rebar using polymer composite. In this study investigations, the surface modified flax fiber and bagasse biochar particle reinforced polyester composite rebar and their mechanical, thermal conductivity, and water absorption behavior of the composite. The utilization of waste biomass and introduction of sustainable rebar material in a cost effective manner. The result of the study analyzed that composite rebar R12 of 30 vol% of chopped flax fiber and 3 vol% of biochar particle shows better tensile, flexural and compression properties of the rebar composite of 124 MPa, 169 MPa, and 121 MPa respectively. This increased mechanical study values is because of better While increasing filler concentration of 5 vol%, shows reduction in tensile, flexural, compression properties but hardness, thermal conductivity, water absorption, and flame retardant properties of 86 shore-D, 0.572 W/mK, 0.26%, and 8.89 mm/min respectively. Further, the scanning electron microscopy analysis provides structural arrangements of fiber and filler reinforced composite rebar. Owing to such structural, thermal, and moisture absorption features, the present study could potentially be applied in various civil infrastructural applications.