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This chapter outlines the general requirements for using recycled aggregates in concrete for structural applications. It provides guidelines on the material composition, physical properties, and quality control criteria for recycled aggregates. The chapter emphasizes the need for classification based on the material’s origin and the impact of these aggregates on the mechanical performance of concrete. Recommendations for the maximum replacement levels of recycled aggregates in structural concrete are provided, as well as guidelines for mix proportioning and procedures to compensate for the water absorption of recycled materials. The chapter aims to set a clear framework for using recycled aggregates in robust structural concrete.

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General Outlines for Recycled Aggregates as a Structural Material

  • 章节

  • 发表日期：

    2025年

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  • Jianzhuang Xiao

摘要

This chapter outlines the general requirements for using recycled aggregates in concrete for structural applications. It provides guidelines on the material composition, physical properties, and quality control criteria for recycled aggregates. The chapter emphasizes the need for classification based on the material’s origin and the impact of these aggregates on the mechanical performance of concrete. Recommendations for the maximum replacement levels of recycled aggregates in structural concrete are provided, as well as guidelines for mix proportioning and procedures to compensate for the water absorption of recycled materials. The chapter aims to set a clear framework for using recycled aggregates in robust structural concrete.