再生混凝土骨料强化方法研究进展_《混凝土与水泥制品》杂志社

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再生混凝土骨料强化方法研究进展

Research Progress on Modification Methods of Recycled Concrete Aggregate

2020年第12期

再生混凝土骨料（RCA）；附着砂浆；强化方法；再生混凝土；力学性能；耐久性能

Recycled concrete aggregate; Adhered mortar; Modification method; Recycled concrete; Mechanical property; Durability

2020年第12期

10.19761/j.1000-4637.2020.12.087.05

浙江省自然科学基金项目（LY20E080012）；绍兴市科技计划创新项目（2018C30007）；国家级大学生创新创业训练计划项目（201710349022）。

梁超锋1,2，杜孝敏1，裘锦瑜1，高越青1，WORKNEHHAILEAB Meles1

1.绍兴文理学院建筑工程系，浙江绍兴 312000；2.同济大学建筑工程系，上海 200092

梁超锋1,2，杜孝敏1，裘锦瑜1，高越青1，WORKNEHHAILEAB Meles1

梁超锋,杜孝敏,裘锦瑜,等.再生混凝土骨料强化方法研究进展[J].混凝土与水泥制品,2020(12):87-91.

LIANG C F,DU X M,QIU J Y,et al.Research Progress on Modification Methods of Recycled Concrete Aggregate[J].CHINA CONCRETE AND CEMENT PRODUCTS,2020(12):87-91.

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摘要：再生混凝土骨料（RCA）表层砂浆的多孔性和高吸水性对再生骨料混凝土的力学性能和耐久性能不利，去除和强化RCA表层砂浆是提高RCA性能的两种主要方法。基于此，总结了聚合物、硅酸钠、微粉、CO2碳化、微生物碳酸盐沉积等RCA表层附着砂浆强化方法的研究现状，分析了各RCA强化方法的优缺点，并提出了有待进一步研究的问题，以推进再生混凝土的应用。 Abstract: The porosity and high water absorption of recycled concrete aggregate (RCA) surface mortar are detrimental to the mechanical properties and durability of recycled aggregate concrete. Removal and modification of RCA surface mortar are the two main ways to improve RCA performance. Based on this, the progress on various modification approaches of RCA surface mortar such as polymer coating, sodium silicate modification, micro-powder filling, CO2 carbonation and microbial carbonate deposition is summarized, the advantages and disadvantages of each RCA modification method are analyzed, and the problems to be further studied are put forward to promote the application of recycled concrete.

英文名 : Research Progress on Modification Methods of Recycled Concrete Aggregate

刊期 : 2020年第12期

关键词 : 再生混凝土骨料（RCA）；附着砂浆；强化方法；再生混凝土；力学性能；耐久性能

Key words : Recycled concrete aggregate; Adhered mortar; Modification method; Recycled concrete; Mechanical property; Durability

刊期 : 2020年第12期

DOI : 10.19761/j.1000-4637.2020.12.087.05

文章编号 :

基金项目 : 浙江省自然科学基金项目（LY20E080012）；绍兴市科技计划创新项目（2018C30007）；国家级大学生创新创业训练计划项目（201710349022）。

作者 : 梁超锋1,2，杜孝敏1，裘锦瑜1，高越青1，WORKNEHHAILEAB Meles1

单位 : 1.绍兴文理学院建筑工程系，浙江绍兴 312000；2.同济大学建筑工程系，上海 200092

梁超锋1,2，杜孝敏1，裘锦瑜1，高越青1，WORKNEHHAILEAB Meles1

梁超锋,杜孝敏,裘锦瑜,等.再生混凝土骨料强化方法研究进展[J].混凝土与水泥制品,2020(12):87-91.

LIANG C F,DU X M,QIU J Y,et al.Research Progress on Modification Methods of Recycled Concrete Aggregate[J].CHINA CONCRETE AND CEMENT PRODUCTS,2020(12):87-91.

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摘要

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结论

参考文献

引用本文

Abstract: The porosity and high water absorption of recycled concrete aggregate (RCA) surface mortar are detrimental to the mechanical properties and durability of recycled aggregate concrete. Removal and modification of RCA surface mortar are the two main ways to improve RCA performance. Based on this, the progress on various modification approaches of RCA surface mortar such as polymer coating, sodium silicate modification, micro-powder filling, CO2 carbonation and microbial carbonate deposition is summarized, the advantages and disadvantages of each RCA modification method are analyzed, and the problems to be further studied are put forward to promote the application of recycled concrete.

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