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This chapter explores the properties and specifications of recycled aggregates (RA) used in building structures, focusing on their variability and how countries manage RA in construction. It highlights the impact of RA on concrete performance, such as lower strength and higher porosity. The chapter also discusses new technologies aimed at improving recycled aggregate concrete (RAC), including CO2 curing and nano-silica modification. It emphasizes the importance of mix design and its impact on RAC’s mechanical and durability properties, aiming to improve RAC’s potential for use in structural applications.

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Recycled Aggregate Concrete for Building Structures

  • 章节

  • 发表日期：

    2025年

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  • Jianzhuang Xiao

摘要

This chapter explores the properties and specifications of recycled aggregates (RA) used in building structures, focusing on their variability and how countries manage RA in construction. It highlights the impact of RA on concrete performance, such as lower strength and higher porosity. The chapter also discusses new technologies aimed at improving recycled aggregate concrete (RAC), including CO2 curing and nano-silica modification. It emphasizes the importance of mix design and its impact on RAC’s mechanical and durability properties, aiming to improve RAC’s potential for use in structural applications.