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Effect of coal bottom ash as partial replacement of sand on properties of concrete

Author

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  • Singh, Malkit
  • Siddique, Rafat

Abstract

Coal bottom ash (CBA) is formed in coal furnaces. It is made from agglomerated ash particles that are too large to be carried in the flue gases and fall through open grates to an ash hopper at the bottom of the furnace. Bottom ash is mainly comprised of fused coarser ash particles. These particles are quite porous and look like volcanic lava. Bottom ash forms up to 25% of the total ash while the fly ash forms the remaining 75%. One of the most common uses for bottom ash is as structural fill.

Suggested Citation

  • Singh, Malkit & Siddique, Rafat, 2013. "Effect of coal bottom ash as partial replacement of sand on properties of concrete," Resources, Conservation & Recycling, Elsevier, vol. 72(C), pages 20-32.
    • Handle: RePEc:eee:recore:v:72:y:2013:i:c:p:20-32
    DOI: 10.1016/j.resconrec.2012.12.006
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    Cited by:

    1. Shi, Jingjing & Li, Qiang & Li, Huiquan & Li, Shaopeng & Zhang, Jianbo & Shi, Yao, 2017. "Eco-design for recycled products: Rejuvenating mullite from coal fly ash," Resources, Conservation & Recycling, Elsevier, vol. 124(C), pages 67-73.

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