纳米材料修复混凝土道面微裂缝的研究_《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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纳米材料修复混凝土道面微裂缝的研究

Study on Micro-cracks Repairing of Concrete Pavement with Nano-repair Materials

2022年第7期

道面混凝土；微裂缝；纳米修复材料；修复机理

Pavement concrete; Micro-crack; Nano-repair material; Repair mechanism

2022年第7期

10.19761/j.1000-4637.2022.07.020.05

王后裕1，方新宇1，刘海涛2，曹海琳2，任韦波1，吕晓聪3，江志华4，马腾4

1.中国人民解放军93204部队，北京 100068；2.深圳航天科技创新研究院，广东深圳 518057；3.中部战区空军保障部，北京 100005；4.空军后勤部工程质量监督站，北京 100009

王后裕1，方新宇1，刘海涛2，曹海琳2，任韦波1，吕晓聪3，江志华4，马腾4

王后裕,方新宇,刘海涛,等.纳米材料修复混凝土道面微裂缝的研究[J].混凝土与水泥制品,2022(7):20-24.

WANG H Y,FANG X Y,LIU H T,et al.Study on Micro-cracks Repairing of Concrete Pavement with Nano-repair Materials[J].China Concrete and Cement Products,2022(7):20-24.

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摘要：为了修复机场混凝土道面微裂缝，采用液相溶胶-凝胶法合成了一种硅聚集体纳米修复材料，并研究了该纳米修复材料对道面混凝土抗压、抗折、防水、抗渗、抗氯离子渗透、抗冻、耐磨等性能的改善效果，探讨了其修复机理。结果表明：经纳米材料修复后，含微裂缝混凝土的抗压强度提高了1.1倍，抗折强度提高了90%，抗渗性能提高了1.6倍，抗氯离子渗透性能提高了60%，抗冻性能提高了70%，耐磨性能提高了65%，防水性能有显著改善，摩擦系数变化不大。 Abstract: To repair the micro-cracks in the concrete pavement of the airport, a silicon aggregate nano-repair material was synthesized by liquid sol-gel method. The improvement effects of nano-repair material on the properties of pavement concrete such as compressive strength, flexural strength, waterproofing, impermeability, chloride ion penetration resistance, freeze-thaw resistance and wear resistance were studied, and its repair mechanism was discussed. The results show that the compressive strength, flexural strength, impermeability, chloride ion penetration, freeze-thaw resistance and wear resistance of concrete with micro-cracks are increased by 1.1 times, 90%, 1.6 times, 60%, 70% and 65%, respectively. The waterproof performance is significantly improved, and the surface friction coefficient has not changed much.

英文名 : Study on Micro-cracks Repairing of Concrete Pavement with Nano-repair Materials

刊期 : 2022年第7期

关键词 : 道面混凝土；微裂缝；纳米修复材料；修复机理

Key words : Pavement concrete; Micro-crack; Nano-repair material; Repair mechanism

刊期 : 2022年第7期

DOI : 10.19761/j.1000-4637.2022.07.020.05

文章编号 :

基金项目 :

作者 : 王后裕1，方新宇1，刘海涛2，曹海琳2，任韦波1，吕晓聪3，江志华4，马腾4

单位 : 1.中国人民解放军93204部队，北京 100068；2.深圳航天科技创新研究院，广东深圳 518057；3.中部战区空军保障部，北京 100005；4.空军后勤部工程质量监督站，北京 100009

王后裕1，方新宇1，刘海涛2，曹海琳2，任韦波1，吕晓聪3，江志华4，马腾4

王后裕,方新宇,刘海涛,等.纳米材料修复混凝土道面微裂缝的研究[J].混凝土与水泥制品,2022(7):20-24.

WANG H Y,FANG X Y,LIU H T,et al.Study on Micro-cracks Repairing of Concrete Pavement with Nano-repair Materials[J].China Concrete and Cement Products,2022(7):20-24.

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摘要

参数

结论

参考文献

引用本文

Abstract: To repair the micro-cracks in the concrete pavement of the airport, a silicon aggregate nano-repair material was synthesized by liquid sol-gel method. The improvement effects of nano-repair material on the properties of pavement concrete such as compressive strength, flexural strength, waterproofing, impermeability, chloride ion penetration resistance, freeze-thaw resistance and wear resistance were studied, and its repair mechanism was discussed. The results show that the compressive strength, flexural strength, impermeability, chloride ion penetration, freeze-thaw resistance and wear resistance of concrete with micro-cracks are increased by 1.1 times, 90%, 1.6 times, 60%, 70% and 65%, respectively. The waterproof performance is significantly improved, and the surface friction coefficient has not changed much.

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