玻璃废料替代水泥对混凝土力学性能的影响

S. Ahmadi
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引用次数: 0

摘要

每天有好几吨玻璃被当作废物处理掉。玻璃废料作为一种不可降解的废物,造成了许多环境问题。在混凝土中使用玻璃废粉部分替代水泥,对减少环境污染物、降低能耗、降低混凝土生产成本具有显著的效果。在本研究中,用5%、10%、15%和20% wt.%的废玻璃粉替代水泥对混凝土力学性能的影响进行了评估。用x射线荧光(XRF)测定玻璃和水泥样品的化学分析。样品的抗折和抗压强度根据ISO 679水泥测试方法-强度测定,测试时间为3、7、28和90天。抗压强度试验结果表明,混凝土的强度随混凝土成分中玻璃粉用量的增加而增加。当玻粉含量为15wt .%时,试样的抗压强度最高。
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Effect of glass waste as a cement replacement on the mechanical properties of concrete
Every day several tons of glass dispose as waste. Glass waste, as a non-degradable waste, causes many environmental problems. Using glass waste powder in concrete as a partial substitute for cement has notable effects on the reduction of environmental pollutants, energy consumption, and concrete production costs. In this study, the impact of using waste glass powder in levels of 5, 10, 15, and 20 wt.% as a substitute for cement on the mechanical properties of concrete was evaluated. Chemical analysis of glass and cement samples was determined using X-ray fluorescence (XRF). The flexural and compressive strength of the samples were measured according to ISO 679, Methods of testing cement – Determination of strength, in 3, 7, 28, and 90 days. The results of the compressive strength test showed that the strength of concrete increases by the amount of used glass powder in the concrete composition. The highest value of compressive strength was obtained by the sample with 15 wt.% of glass powder.
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