蛇纹石混凝土研究应用进展

摘要/Abstract

摘要： 蛇纹石混凝土具有优异的中子屏蔽性,国外已将其广泛用于核工业及医疗行业屏蔽中子辐射。我国核事业发展迅速、蛇纹石矿产丰富,本应对蛇纹石混凝土有大量研究及应用,但事实上,蛇纹石混凝土在我国不仅研究较少,其应用更是远不及国外。基于此,本文归纳了蛇纹石骨料特性,对比了三种蛇纹石亚类骨料的物理性质、粒形特征和化学成分,详细阐述了蛇纹石骨料对混凝土性能的影响,并分析了当前蛇纹石混凝土研究存在的不足之处,梳理了蛇纹石混凝土应用现状。最后,为促进蛇纹石混凝土在我国的进一步研究与应用,对该领域未来发展进行展望。

关键词: 蛇纹石骨料, 防辐射混凝土, 结晶水, 中子辐射, 微观结构, 高温稳定性

Abstract: Serpentine concrete has excellent neutron shielding property, which has been widely used in the nuclear industry and medical industry to shield neutron radiation in foreign countries. With the rapid development of nuclear industry and rich serpentine minerals in China, it should be a lot of research and application of serpentine concrete, however, in fact, serpentine concrete is not only less studied in China, but also its application is far less than abroad. Therefore, the characteristics of serpentine aggregate were summarized, and the physical properties, particle shape characteristics and chemical composition of three kinds of serpentine subspecies aggregate were compared. The influence of serpentine aggregate on concrete property was described in detail, and the shortcomings of current research on serpentine concrete were analyzed. The application status of serpentine concrete was combed. Finally, in order to promote further research and application of serpentine concrete in China, the future development of this field was prospected.

Key words: serpentine aggregate, radiation shield concrete, crystal water, neutron radiation, microstructure, high temperature stability

中图分类号:

TU528.35

杨昭, 石建军, 许新春, 张志恒. 蛇纹石混凝土研究应用进展[J]. 硅酸盐通报, 2023, 42(6): 1912-1920.

YANG Zhao, SHI Jianjun, XU Xinchun, ZHANG Zhiheng. Research and Application Progress of Serpentine Concrete[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2023, 42(6): 1912-1920.

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