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水化反应增强剂对道路混凝土早期强度及早期开裂性能的影响

Effect of MixConverter on the early strength of road concrete and the properties of early-age cracking

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【作者】 李益进何凡孙鑫鹏

【Author】 LI Yi-jin,HE Fan,SUN Xin-peng (Civil Engineering and Architeeture College of Central South University,Changsha 410005,China)

【机构】 中南大学土木建筑学院

【摘要】 研究了水化反应增强剂(MixConverter)对道路混凝土早期强度及早期开裂性能的影响。采用平板开裂法对水化反应增强剂MixConverter混凝土抗裂性能进行研究,以及对其物理力学性能的研究表明:混凝土中掺入0.4%MixConverter能够使水泥的水化反应加速并更加充分,减少混凝土施工时泌水现象,增加混凝土内部的密实性,改善其柔韧性,从而增加其早期强度;有效地抑制混凝土的早期开裂;提高了混凝土的耐久性,为配置高性能混凝土提供了基础,具有广阔的工程应用前景。

【Abstract】 We studied the effects of MixConverter on the early strength and early-age cracking properties of road-concrete.Flat-piant cracking method was used to research anti-cracking performance of MixConverter-concrete,as well as its physical and mechanical properties,the studies have shown that:concrete mixed with 0.4% MixConverter can accelerate the cement hydration reaction and make it more fully,reduce the bleeding of concrete construction,increase the density of concrete,improve its flexibility,thereby increasing the early strength,effectively suppressing the early-age cracking and enhancing the durability of the concrete,MixConverter provides the fundation for high-performance concrete,that has a broad application prospect.

【关键词】 混凝土水化早期强度早期开裂
【Key words】 concretehydrationearly strengthearly-age cracking
  • 【分类号】U414
  • 【被引频次】1
  • 【下载频次】203
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