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May 28, 2026Open CeramicsOpen Access

Mechanical Performance of Pyrolysis Biochar-Enhanced Sustainable Concrete

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Authors

PSPenpichcha Sanit-inCTChanachai ThongchomAPAtichard Povgsuwand

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Overview

Randomized trial evaluates mechanical properties of biochar-enhanced concrete, suggesting sustainable material innovation.

Key Points

  • This research examines the impact of biochar from sugarcane bagasse on the mechanical properties of high-strength concrete.
  • Concrete was mixed with varying biochar replacement levels (1%, 3%, 5%, 7%) by weight.
  • Mechanical properties such as compressive strength, tensile strength, and flexural strength were measured after 28 days of water curing.
  • Specimens were tested according to ASTM standards, utilizing a superplasticizer for workability.
  • Concrete with 1% biochar replacement showed increased compressive strength by 7.45%, tensile strength by 5.85%, and flexural strength by 2.5%.
  • Higher biochar levels resulted in decreased mechanical performance due to increased porosity and void content.
  • Excessive biochar led to clumping and poor material dispersion, creating weak points in the concrete.

Cite This Study

Sanit-in et al. (2026) studied this question.

synapsesocial.com/papers/6a17db6f3fad632b0f9d82dahttps://doi.org/10.1016/j.oceram.2026.100990
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