Mechanical Properties of Concrete with Burnt Pulverized Chikoko (BPC) as a Sustainable Binder Material

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@article{1706679,
      author = {Overo K.E},
      title = {Mechanical Properties of Concrete with Burnt Pulverized Chikoko (BPC) as a Sustainable Binder Material},
      journal = {Iconic Research And Engineering Journals},
      year = {2024},
      volume = {8},
      number = {6},
      pages = {403-409},
      issn = {2456-8880},
      url = {https://www.irejournals.com/formatedpaper/1706679.pdf},
      abstract = {Burnt Pulverized Chikoko (BPC) has shown potential as a supplementary cementitious material (SCM) for sustainable concrete production. This paper investigates the mechanical properties of concrete incorporating BPC as a partial replacement for cement. A comprehensive literature review provides insights into previous studies on BPC and other calcined clays. This study investigates the compressive strength performance of concrete mixes with varying mix proportions (1:1.5:3 and 1:2:4) under different replacement and admixture levels. The control mix (1:1.5:3) demonstrated consistent strength development, peaking at 27.78 N/mm? at 28 days, while the 1:2:4 mix achieved a slightly lower strength of 25.56 N/mm?, highlighting the influence of reduced cement content. Partial replacement of cement (5?20%) showed mixed results: the 1:1.5:3 mix benefited at 5% and 10% replacement levels, achieving up to 30.44 N/mm? at 28 days, while higher replacement levels (15?20%) led to strength reductions due to dilution effects. In contrast, the 1:2:4 mix experienced limited improvements or reductions across all replacement levels. Admixture additions (5?20%) consistently enhanced strength for both mix proportions. The 1:1.5:3 mix achieved a peak strength of 32.89 N/mm? at 15% and 20% admixture levels, while the 1:2:4 mix reached a maximum of 30.22 N/mm? at 20% admixture. The results underscore the significant role of cement content, replacement levels, and admixture dosages in optimizing concrete strength development. These findings highlight BPC's potential as a sustainable alternative for reducing Portland cement usage and enhancing the sustainability of construction practices.},
      keywords = {Burnt Pulverized Chikoko (BPC), Supplementary Cementitious Material (SCM), Sustainable Concrete, Compressive Strength, Cement Replacement, Admixture},
      month = {December},
  }