废玻璃粉在水泥砂浆中的应用

D. Nagrockienė, K. Barkauskas
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引用次数: 5

摘要

每年,世界各地都会产生数百万吨的废玻璃,并被丢弃在垃圾填埋场。利用这些废弃物,替代水泥砂浆中一定比例的水泥,可以从废弃物的利用和降低水泥基砂浆中水泥含量两个方面减少环境污染。水泥行业的二氧化碳排放量约占全球的6%。对7种不同的砂浆混合物进行了分析,按水泥重量计,废玻璃粉的添加量在0%到30%之间。测量了砂浆混合料的以下物理和机械性能:抗压强度、抗折强度和密度。试验结果表明,在水泥基砂浆中可以少量使用废玻璃粉,以减少水泥用量和利用废玻璃。用废玻璃粉代替5%的水泥基砂浆,可以生产出性能更高的改性水泥基砂浆,用于土木工程应用。得到的线性回归方程说明了28天密度与抗压强度、密度与抗弯强度之间的关系。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Utilization of Waste Glass Powder in Cement Mortar
Every year, millions of tons of waste glass are generated all over the world and disposed in landfills. Utilization of this waste by substituting a certain share of cement in cement mortars can contribute to the reduction of environmental pollution in two aspects: the utilization of waste and the reduction of the cement content in cement-based mortars. The cement industry is responsible for approximately 6% of global CO2 emissions. Seven different mortar mixes, containing between 0% and 30% of waste glass powder added by weight of cement, were analyzed. The following physical and mechanical properties of the mortar mixes were measured: compressive strength, flexural strength, and density. The test results revealed that waste glass powder can be used in small amounts in cement-based mortars to reduce the amount of cement and to utilize waste glass. A higher performance, modified cement-based mortar can be produced for civil engineering applications by replacing 5% with waste glass powder. The linear regression equations obtained illustrate the relationships between the density and compressive strength, and between density and flexural strength at 28 days.
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