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The 3D printing technology for buildings integrates multiple disciplines such as computer science, numerical control, and material forming. It uses the principle of layer-by-layer material deposition and is known as “additive construction”. This study, by imitating the structure of nacreous mother-of-pearl shells, conducted a single-factor experiment with water-cement ratio as the variable. The preliminary test confirmed that a water-cement ratio of 0.24 was the optimal condition for the basic mode and formation state of the 3D printing nozzle. Under the same water-cement ratio, the compressive performance of 3D printed specimens was compared with that of cast-in-place specimens, and it was found that the 3D printed specimens were stronger. The reason was analyzed to be the interlocking principle between layers of the printed structure, and its multi-level and ordered failure mode endowed it with excellent energy dissipation capacity.

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Comparative Analysis of Compressive Performance Between 3D Printed and Cast-in-Place Cement-Based Materials

  • 会议论文

  • 发表日期：

    2026年

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  • Qili Gan,
  • Qin Tao,
  • Nana Liu,
  • Chunfeng Ruan,
  • Chuyan Yuan

摘要

The 3D printing technology for buildings integrates multiple disciplines such as computer science, numerical control, and material forming. It uses the principle of layer-by-layer material deposition and is known as “additive construction”. This study, by imitating the structure of nacreous mother-of-pearl shells, conducted a single-factor experiment with water-cement ratio as the variable. The preliminary test confirmed that a water-cement ratio of 0.24 was the optimal condition for the basic mode and formation state of the 3D printing nozzle. Under the same water-cement ratio, the compressive performance of 3D printed specimens was compared with that of cast-in-place specimens, and it was found that the 3D printed specimens were stronger. The reason was analyzed to be the interlocking principle between layers of the printed structure, and its multi-level and ordered failure mode endowed it with excellent energy dissipation capacity.