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BULLETIN OF THE CHINESE CERAMIC SOCIETY ›› 2021, Vol. 40 ›› Issue (6): 1814-1820.

• 3D Printing Cement-Based Materials • Previous Articles     Next Articles

Quantification, Optimization and Standardization of 3D Printability of Cementitious Composites

WANG Li1,2, LI Danli1, YE Kehan1, GUAN Jingyuan1, FENG Duo1   

  1. 1. School of Civil and Transportation Engineering, Hebei University of Technology, Tianjin 300401, China;
    2. Engineering Research Center of Construction 3D Printing of Hebei, Tianjin 300401, China
  • Received:2021-03-15 Revised:2021-04-24 Online:2021-06-15 Published:2021-07-08

Abstract: The coordination between the 3D printability of cementitious composites and printing process is crucial to the rapid additive manufacturing. However, due to the variety of raw materials and mix proportion, printing equipment and manufacturing process, etc., the quantification and evaluation of 3D printability have not been unified, which brings barriers to the application and promotion of this technology in engineering practices. The influencing factors of 3D printability are analyzed, the quantitative evaluation methods of concrete 3D printability are summarized, six optimization methods of 3D printability are summarized and analyzed, and suggestions for standardization promotion are provided, which provide practical guidance value for the engineering application of 3D concrete printing technology.

Key words: 3D printing concrete, 3D printability, quantitative indicator, optimization method, standardization promotion

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