Buildability of 3D Printing Engineered Cementitious Composites (ECC) (2025-07)¶
, Sun Dongpu, , , , Abdalla Jamal,
Journal Article - Journal of Building Engineering, No. 113390
Abstract
The primary challenge in 3D printing cementitious materials is structural failure due to insufficient buildability, necessitating a thorough evaluation based on fresh material properties and printing parameters. This study presents a comprehensive investigation and quantitative analysis of the printability and buildability of engineered cementitious composites (ECC). Results indicate that for extrudable ECC mixtures with three distinct FA/C ratios (FA/C = 0, 1, and 1.4), the green strength values corresponding to 10% compressive strain reached 45.48 kPa, 27.68 kPa, and 21.44 kPa, respectively, at the critical time point of 40 minutes after water addition. The corresponding Young’s modulus were 650.5 kPa, 356.7 kPa, and 259.6 kPa. These extrudable ECC mixtures demonstrated exceptional load-bearing capacity and deformation resistance. Moreover, a tailored buildability assessment framework has been developed. This framework incorporates the temporal evolution of material green strength, stiffness, and stability during the printing process. Universally applicable to a variety of printable materials, it enables systematic and precise evaluation of the buildability of 3D-printed components under controlled laboratory conditions. This framework establishes a robust theoretical foundation for assessing and advancing the buildability of 3D-printed structures.
¶
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BibTeX
@article{lu_sun_shen_zhan.2025.Bo3PECCE,
author = "Chenyu Lu and Dongpu Sun and Qiang Shen and Zhigang Zhang and Xiaoyue Zhang and Jamal A. Abdalla and Rami A. Hawileh",
title = "Buildability of 3D Printing Engineered Cementitious Composites (ECC): A Comprehensive Assessment Framework Under Laboratory Conditions",
doi = "10.1016/j.jobe.2025.113390",
year = "2025",
journal = "Journal of Building Engineering",
pages = "113390",
}
Formatted Citation
C. Lu, “Buildability of 3D Printing Engineered Cementitious Composites (ECC): A Comprehensive Assessment Framework Under Laboratory Conditions”, Journal of Building Engineering, p. 113390, 2025, doi: 10.1016/j.jobe.2025.113390.
Lu, Chenyu, Dongpu Sun, Qiang Shen, Zhigang Zhang, Xiaoyue Zhang, Jamal A. Abdalla, and Rami A. Hawileh. “Buildability of 3D Printing Engineered Cementitious Composites (ECC): A Comprehensive Assessment Framework Under Laboratory Conditions”. Journal of Building Engineering, 2025, 113390. https://doi.org/10.1016/j.jobe.2025.113390.