Experimental Study on Compressive Strength and Elastic Modulus of Recycled Ceramic Concrete
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T528

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    Abstract:

    Objective】Recycled ceramic fine aggregate was used to replace natural river sand with a quality of 0, 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%, and 100% replacement rate to create recycled ceramic fine aggregate concrete (CRFC) to investigate the effects of various types and replacement rates of recycled ceramic aggregate on the compressive strength and modulus of elasticity of concrete.【Method】To create recycled ceramic coarse and fine aggregate concrete (CRC), natural gravel was substituted based on the replacement rate of recycled ceramic fine aggregate (100% ) with natural fine aggregate. The physical and mechanical properties of CRFC and CRC were investigated, as well as the viability of using wasted tile ceramics as recycled concrete aggregate.【Result】The results show that: The workability, compressive strength, and elastic modulus of CRFC made with recycled ceramic fine aggregate are similar to those of normal concrete. As the replacement rate of recycled ceramic coarse aggregate increased, the compressive strength and elastic modulus of CRC dropped dramatically.【Conclusion】Waste ceramic bricks can be utilized as coarse and fine aggregate in concrete preparation. To ensure concrete workability while utilizing recycled ceramic coarse aggregate, additional water should be supplied by its water absorption rate. The bond strength in the interfacial transition zone and coarse aggregate type are the main factors influencing the failure patterns of CRFC and CRC, respectively. It is suggested that the replacement rate of recycled ceramic coarse aggregate is less than 50% when natural fine aggregate is totally replaced by recycled ceramic fine aggregate.

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王伊,黄宏,帅子坤,胡文斌.再生陶瓷混凝土抗压强度及弹性模量试验研究[J].华东交通大学学报英文版,2024,41(1):38-45.
Wang Yi, Huang Hong, Shuai Zikun, Hu Wenbin. Experimental Study on Compressive Strength and Elastic Modulus of Recycled Ceramic Concrete[J]. JOURNAL OF EAST CHINA JIAOTONG UNIVERSTTY,2024,41(1):38-45

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History
  • Received:March 09,2023
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  • Online: March 20,2024
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