含酸处理(H2so4, H3po4)再生骨料的环保型混凝土性能分析

G. E. Babu, M. Kumar, B. A. saroja, V. V. Vamsi, K. P. Kumar, K. P. Kalyan
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引用次数: 0

摘要

再生层骨料质量差是阻碍再生层骨料在混凝土中应用的关键问题之一。再生骨料表面的水泥砂浆会影响再生骨料的质量。利用硫酸和磷酸进行酸浸处理,对再生骨料进行各种试验结果的检验,是本研究的主题。天然骨料、再生骨料、含H2SO4再生骨料和含H3PO4再生骨料是配制的四种混凝土混合料。在混凝土中使用这些清洁的再生骨料已被证明是有益的。对混凝土的强度和耐久性进行了评价,并计算了集料属性。测试结果显示。试验结果表明,经酸处理后再生骨料的性能发生了变化。在这两种酸中,硫酸处理再生骨料的效果最好,其次是磷酸,效果略好。综合研究表明,在混凝土中使用处理过的再生骨料可以显著提高再生骨料混凝土的强度和耐久性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Analyzing The Performance of Environmental Friendly Concrete That Contains Acid-Treated (H2so4, H3po4) Recycled Aggregate
Its poor quality was one of the key problems preventing recycled course aggregate (RCA) from being used in concrete mixes. The quality of recycled aggregate may be impacted by cement mortar on the surface of the material. The examination of recycled aggregate in various test results employing acid soaking treatment procedures utilizing sulfuric acid and phosphoric acid is the subject of this research. Natural aggregate, recycled aggregate, recycled aggregate with H2SO4 and recycled aggregate with H3PO4 are the four types of concrete mixtures that are made. Using these cleaned recycled aggregates in concrete has been proven to be beneficial. The strength and durability of concrete were also evaluated, and aggregate attributes were computed. The test findings showed. The behavior of recycled aggregate has changed according to the test results after being treated with acid. Out of these two acids, sulphuric acid treatment of recycled aggregates produced the best results, followed by phosphoric acid doing only marginally better. According to the overall research, employing treated recycled aggregate in concrete can significantly increase the strength and durability properties of concrete made using recycled aggregate.
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