再生细骨料级配对自流平砂浆强度的影响 _《混凝土与水泥制品》杂志社

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发布时间：2020-01-06 00:00:00

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再生细骨料级配对自流平砂浆强度的影响

The Influence of Recycled Fine Aggregate Gradation on Strength of Self-leveling Mortar

２０19年第7期

再生细骨料；级配；强度；自流平砂浆

Key words: Recycled aggregate; Gradation; Strength; Self-leveling mortar

２０19年第7期

10.19761/j.1000-4637.2019.07.096.05

国家重点研发计划项目（2017YFC0703305）。

侯云芬，郑东昊，周文娟

北京建筑大学，100044

侯云芬，郑东昊，周文娟

侯云芬,郑东昊,周文娟.再生细骨料级配对自流平砂浆强度的影响[J].混凝土与水泥制品,2019(7):96-100.

HOU Y F,ZHENG D H,ZHOU W J.The Influence of Recycled Fine Aggregate Gradation on Strength of Self-leveling Mortar[J].China Concrete and Cement Products,2019(7):96-100.

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摘要：选择4.75~1.18 mm、1.18~0.3 mm及0.3 mm以下三个级配的再生细骨料，采用Fuller法、K法和i法进行三级配再生细骨料的组成设计，研究了不同级配组成的再生细骨料对自流平砂浆强度的影响规律。结果表明，三种不同粒径的再生细骨料， Fuller法获得的级配组成中小颗粒较多，K法得到的级配组成中小颗粒较少；而三种方法得到的最佳级配组成所对应的砂浆强度中，Fuller法的抗压强度和抗折强度均最小，i法的强度最高，且在抗压强度与K法相近的同时表现出更高的抗折强度。最终认为，i法适合本实验再生细骨料的级配组成设计。 Abstract: In order to study the effect of recycled fine aggregate gradation on strength of self-leveling mortar, the gradation is designed by three methods of Fuller method, K method and i method, using three recycled fine aggregates whose gradation is 4.75~1.18 mm, 1.18~0.3 mm and under 0.3 mm. The results show that there are the most small particles in the gradation obtained by Fuller method and the least small particles in the gradation obtained by K method. The compressive strength and flexural strength of the mortar obtained by Fuller method are the smallest, the compressive strength obtained by i method is similar to that obtained by K method, but the flexural strength is higher than that obtained by K method. The i method is suited to design the gradation of recycled fine aggregate used in self-leveling mortar.

英文名 : The Influence of Recycled Fine Aggregate Gradation on Strength of Self-leveling Mortar

刊期 : ２０19年第7期

关键词 : 再生细骨料；级配；强度；自流平砂浆

Key words : Key words: Recycled aggregate; Gradation; Strength; Self-leveling mortar

刊期 : ２０19年第7期

DOI : 10.19761/j.1000-4637.2019.07.096.05

文章编号 :

基金项目 : 国家重点研发计划项目（2017YFC0703305）。

作者 : 侯云芬，郑东昊，周文娟

单位 : 北京建筑大学，100044

侯云芬，郑东昊，周文娟

侯云芬,郑东昊,周文娟.再生细骨料级配对自流平砂浆强度的影响[J].混凝土与水泥制品,2019(7):96-100.

HOU Y F,ZHENG D H,ZHOU W J.The Influence of Recycled Fine Aggregate Gradation on Strength of Self-leveling Mortar[J].China Concrete and Cement Products,2019(7):96-100.

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摘要

参数

结论

参考文献

引用本文

摘要：选择4.75～1.18 mm、1.18～0.3 mm及0.3 mm以下三个级配的再生细骨料，采用Fuller法、K法和i法进行三级配再生细骨料的组成设计，研究了不同级配组成的再生细骨料对自流平砂浆强度的影响规律。结果表明，三种不同粒径的再生细骨料， Fuller法获得的级配组成中小颗粒较多，K法得到的级配组成中小颗粒较少；而三种方法得到的最佳级配组成所对应的砂浆强度中，Fuller法的抗压强度和抗折强度均最小，i法的强度最高，且在抗压强度与K法相近的同时表现出更高的抗折强度。最终认为，i法适合本实验再生细骨料的级配组成设计。

Abstract: In order to study the effect of recycled fine aggregate gradation on strength of self-leveling mortar, the gradation is designed by three methods of Fuller method, K method and i method, using three recycled fine aggregates whose gradation is 4.75～1.18 mm, 1.18～0.3 mm and under 0.3 mm. The results show that there are the most small particles in the gradation obtained by Fuller method and the least small particles in the gradation obtained by K method. The compressive strength and flexural strength of the mortar obtained by Fuller method are the smallest, the compressive strength obtained by i method is similar to that obtained by K method, but the flexural strength is higher than that obtained by K method. The i method is suited to design the gradation of recycled fine aggregate used in self-leveling mortar.

关键词:

再生细骨料；级配；强度；自流平砂浆

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