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In the context of cement and concrete, “ash” primarily refers to industrial byproducts like fly ash and volcanic ash, which are commonly used as supplementary cementitious materials (SCMs). These ashes are highly valued in concrete production for their pozzolanic properties, which enable them to react with calcium hydroxide to form compounds that contribute to the cementitious matrix, enhancing the overall strength and durability of concrete. Utilizing ash in concrete helps not only in improving the material properties but also in reducing the environmental impact by decreasing the reliance on Portland cement, whose production is highly energy-intensive and carbon-emitting.

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Ash

  • 工具书词条

  • 发表日期：

    2025年

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摘要

In the context of cement and concrete, “ash” primarily refers to industrial byproducts like fly ash and volcanic ash, which are commonly used as supplementary cementitious materials (SCMs). These ashes are highly valued in concrete production for their pozzolanic properties, which enable them to react with calcium hydroxide to form compounds that contribute to the cementitious matrix, enhancing the overall strength and durability of concrete. Utilizing ash in concrete helps not only in improving the material properties but also in reducing the environmental impact by decreasing the reliance on Portland cement, whose production is highly energy-intensive and carbon-emitting.