特种骨料混凝土的研究进展

硅酸盐通报 ›› 2021, Vol. 40 ›› Issue (9): 2831-2855.

• 特邀综述 • 下一篇

特种骨料混凝土的研究进展

刘云鹏, 申培亮, 何永佳, 王发洲

武汉理工大学,硅酸盐建筑材料国家重点实验室,武汉 430070

收稿日期:2021-07-14 修回日期:2021-08-08 出版日期:2021-09-15 发布日期:2021-10-08
通讯作者: 王发洲,博士,教授。E-mail:fzhwang@whut.edu.cn
作者简介:刘云鹏(1986—),男,博士,副研究员。主要从事高性能混凝土的研究。E-mail:liuyunpeng@whut.edu.cn
王发洲,男,1957年生,博士,武汉理工大学教授、博导、副校长,硅酸盐建筑材料国家重点实验室主任,《硅酸盐通报》副主编。主要从事先进混凝土材料的应用基础研究。主持国家重点研发计划课题、国家自然科学基金国际合作重点项目等20余项,在混凝土及相关领域重要期刊发表SCI论文100余篇,授权发明专利20余项,出版学术专著2部。获国家科技进步二等奖2项、省部级一等奖6项。获国家杰出青年科学基金资助,入选“万人计划”中青年科技创新领军人才、教育部新世纪人才计划、湖北省新世纪高层次人才工程(第一层次)。兼任中国硅酸盐学会水泥分会副理事长、中国硅酸盐学会青年工作委员会主任委员、湖北省硅酸盐学会理事长、国际材料与结构研究实验联合会高级会员等职务,获中国硅酸盐学会青年科技奖、湖北五四青年奖章。
刘云鹏,男,1986年生,博士,武汉理工大学硅酸盐建筑材料国家重点实验室副研究员。主要从事轻骨料混凝土与聚合物改性混凝土的研究与应用工作。主持和参与国家重点研发计划课题、国家自然科学基金面上项目等多项科研任务,发表学术论文30余篇。获国家科技进步二等奖1项、省部级科技成果奖励2项。兼任美国ACI学会会员、中国硅酸盐学会青年委员会委员及绿色高性能轻骨料混凝土协同创新联盟秘书长等职务。
基金资助:
国家重点研发计划(2017YFB0310000);国家自然科学基金(51925205)

Research Progress of Special Aggregate Concrete

LIU Yunpeng, SHEN Peiliang, HE Yongjia, WANG Fazhou

State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China

Received:2021-07-14 Revised:2021-08-08 Online:2021-09-15 Published:2021-10-08

摘要/Abstract

摘要： 骨料是水泥混凝土的主要组成,随着水泥混凝土技术的发展与应用场景的拓展,某些基本性能、表面状态与天然砂石骨料有较大差异的特种骨料逐渐引起人们的重视。例如通过使用轻质/重骨料是满足高层与大跨结构、桥梁悬臂施工、建筑地基抗浮等重大工程对混凝土特殊密度需求的主要手段。同时,利用再生骨料替代天然骨料制备再生骨料混凝土,可有效解决天然砂石资源匮乏与废弃物混凝土资源化利用的问题。这些特种骨料在应用过程中存在着某些共性的科学与技术问题,所配制混凝土的性能、界面过渡区结构、施工特性等与普通水泥混凝土有着显著的区别。本文综述了轻骨料混凝土、重混凝土以及再生骨料混凝土三类特种骨料混凝土的研究进展与发展趋势,重点介绍了特种骨料的性质、混凝土界面过渡区结构与混凝土施工性能等方面的技术现状,最后对上述特种骨料混凝土的未来发展方向提出一定的建议。

关键词: 特种骨料, 轻骨料混凝土, 重混凝土, 再生骨料混凝土, 界面过渡区

Abstract: Aggregate is the major component of concrete. With the development of concrete technology and the expansion of application scenarios, some special aggregates whose basic properties and surface conditions are quite different from those of natural aggregates have gradually attracted wide attention. For example, the use of lightweight/heavyweight aggregates is the main method to meet the special density requirements of major construction projects such as high-rise and long-span structures, bridge cantilever construction, and building foundation anti-floating. Besides, the use of recycled aggregates instead of natural aggregates to prepare recycled aggregate concrete can effectively solve the problems of the shortage of natural aggregate resources and the recycling utilization of waste concrete. There are some common scientific and technical problems during the application of these special aggregates. The performance, microstructure, and construction characteristics of concrete prepared with these special aggregates are significantly different from those of ordinary concrete. This study reviews the research progress and development trend of three types of special aggregate concrete including lightweight aggregate concrete, heavyweight concrete and recycled aggregate concrete. The research on the aggregates properties, the interfacial transition zone (ITZ) and construction technology are highlighted. The suggestions on the development trend of the above concrete are also proposed.

Key words: special aggregate, lightweight aggregate concrete, heavyweight concrete, recycled aggregate concrete, interfacial transition zone

中图分类号:

TU528

刘云鹏, 申培亮, 何永佳, 王发洲. 特种骨料混凝土的研究进展[J]. 硅酸盐通报, 2021, 40(9): 2831-2855.

LIU Yunpeng, SHEN Peiliang, HE Yongjia, WANG Fazhou. Research Progress of Special Aggregate Concrete[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2021, 40(9): 2831-2855.

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特种骨料混凝土的研究进展

Research Progress of Special Aggregate Concrete

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