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阐述了再生混凝土技术的概念，认为研究和实际应用再生混凝土是合理利用建筑物废弃混凝土和节约资源、保护环境的有效途径。讨论了再生集料的特性（包括密度、吸水性和耐磨损性等）及其对再生混凝土性能的影响，提出了研究和设计再生混凝土材料及引进无损检测技术尚需进行的工作。
The concept of recycled concrete technology is described. It is believed that the research and practical application of recycled concrete is an effective way to rationally use abandoned concrete in buildings and conserve resources and protect the environment. The characteristics of reclaimed aggregates (including density, water absorption and abrasion resistance, etc.) and their effects on the properties of recycled concrete were discussed, and work on the research and design of recycled concrete materials and the introduction of non-destructive testing techniques was proposed.