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Granite Powder vs. Fly Ash for the Sustainable Production of Air-Cured Cementitious Mortars

机译：花岗岩粉与粉煤灰用于可持续生产空气固化水泥砂浆

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The partial replacement of cement in concrete with the addition of granite powder and fly ash can help to reduce the carbon dioxide (CO2) emissions into the atmosphere associated with cement production. The aim of the article is to compare the performance of granite powder and fly ash for the sustainable production of air-cured cementitious mortars. The morphological, chemical, and granulometric properties of these additives were first compared with the properties of cement. Afterward, a series of mortars modified with the addition of granite powder and fly ash was made. The properties of the fresh mixes and the mechanical properties of the hardened composites were then tested. Finally, based on the obtained results, a cost analysis of the profitability of modifying cementitious composites with granite powder or fly ash was investigated. The obtained results allow similarities and differences between granite powder and fly ash in relation to cement to be shown. To conclude, it should be stated that both of these materials can successfully be used for the sustainable production of air-cured cementitious composites. This conclusion has a significant impact on the possibility of improving the natural environment by reducing the amount of cement production. More sustainable production of cement-based materials could enable CO2 emissions to be decreased. The use of granite powder for the production of cementitious mortars can significantly reduce the amount of this material deposited in landfills.
机译：在加入花岗岩粉末和粉煤灰的混凝土中的部分更换水泥可以有助于将二氧化碳（CO2）排放量降低到与水泥产生相关的大气中。本文的目的是比较花岗岩粉末和粉煤灰的性能，以实现空气固化水泥砂浆的可持续生产。将这些添加剂的形态学，化学和粒状性能与水泥的性质进行比较。之后，制备了一系列加入花岗岩粉末和粉煤灰进行修饰的砂浆。然后测试新鲜混合物的性质和硬化复合材料的机械性能。最后，基于所得的结果，研究了用花岗岩粉末或粉煤灰改性水泥复合材料的盈利能力的成本分析。所得结果允许花岗岩粉末和粉煤灰与待显示水泥之间的相似性和差异。为了得出结论，两者都可以成功地用于可持续生产空气固化水泥复合材料。这一结论对通过减少水泥生产量来改善自然环境的可能性产生了重大影响。更可持续生产水泥基材料可以使二氧化碳排放量减少。用于生产水泥砂浆的花岗岩粉末可以显着减少填埋场中沉积的这种材料的量。

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