THE EFFECT OF WASTE GLASS SLUDGE USED AS CEMENT REPLACEMENT AND CRYSTALLISING ADMIXTURE ON THE PROPERTIES OF HARDENED CEMENT PASTE

IF 0.6 4区材料科学 Q4 MATERIALS SCIENCE, CERAMICS Ceramics-silikaty Pub Date : 2023-05-26 DOI:10.13168/cs.2023.0021

E. Pocius

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Abstract

Two different mix compositions were prepared to compare the effect of waste glass sludge, with and without a crystallising admixture, on the properties of fresh cement paste and hardened cement paste. In Composition 1 cement was replaced by different percentage of waste glass sludge: 0 %, 5 %, 10 %, 15 %, 20 %, 25 %, and 30 %. In Composition 2 the same cement content was used with the addition of the crystallising admixture added at 1 % by weight of the binder. The tests showed that the replacement of 20 % of cement with waste glass sludge improved the properties of hardened cement paste, but the properties of fresh cement paste deteriorated. The results of the tests with composition 2 containing the crystallising admixture showed that the crystallising admixture had a negligible effect on the properties of hardened stone, while the properties of fresh cement paste improved in comparison with the specimens without the crystallising admixture. The overall results showed that 20 % was the optimum amount of cement to be replaced with waste glass sludge and that crystallising admixture could be one of the solutions to improve the workability of the mixtures modified with waste glass sludge.

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废玻璃污泥作为水泥替代品和结晶掺合料对硬化水泥浆体性能的影响

制备了两种不同的混合成分，以比较有和没有结晶外加剂的废玻璃污泥对新鲜水泥浆和硬化水泥浆性能的影响。在组成1中，用不同比例的废玻璃污泥代替水泥:0%、5%、10%、15%、20%、25%和30%。在组合物2中，使用相同水泥含量，并添加以粘合剂重量1%添加的结晶外加剂。试验表明，用废玻璃污泥替代20%的水泥可改善硬化水泥浆的性能，但使新水泥浆的性能变差。含有结晶掺合料的组合物2的试验结果表明，结晶掺合料对硬化石性能的影响可以忽略不计，而与不含结晶掺合料的样品相比，新鲜水泥浆体的性能得到了改善。结果表明，20%是废玻璃污泥替代水泥的最佳掺量，结晶外加剂是提高废玻璃污泥改性混合料和易性的解决方案之一。

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来源期刊

Ceramics-silikaty 工程技术-材料科学：硅酸盐

CiteScore

1.40

自引率

11.10%

发文量

审稿时长

5.5 months

期刊介绍： The journal Ceramics-Silikáty accepts papers concerned with the following ranges of material science: Chemistry and physics of ceramics and glasses Theoretical principles of their engineering including computing methods Advanced technologies in the production of starting materials, glasses and ceramics Properties and applications of modern materials Special analytical procedures Engineering ceramic including composites Glass and ceramics for electronics and optoelectronics High temperature superconducting materials Materials based on cement or other inorganic binders Materials for biological application Advanced inorganic glasses with special properties Fibrous materials Coatings and films based on inorganic non-metallic materials.