This paper explores the emerging technology of 3D concrete printing in the construction industry. It provides an in-depth analysis of the technique's potential to address current challenges in construction, such as waste reduction, labor intensity, and accuracy issues. The study examines various applications, from housing to infrastructure, with a focus on its implementation in Singapore. It also delves into the specific properties and composition of concrete suitable for 3D printing. The paper identifies key challenges, including printer size limitations and material properties, proposing innovative solutions such as mobile printing systems. Finally, it proposes a project for utilizing 3D concrete printing in creating affordable, earthquake-resistant housing, highlighting its implications for future sustainable and efficient construction practices.

Zhang Yichi. 3D Concrete Printing for Sustainable and Efficient Building Practices in Singapore. Academic Journal of Architecture and Geotechnical Engineering (2024) Vol. 6, Issue 1: 8-12. https://doi.org/10.25236/AJAGE.2024.060102.

[1] Buswell, R. A., Leal de Silva, W., & Jones, S. (2018). 3D printing using concrete extrusion: A roadmap for research. Cement and Concrete Research, 112, 37-49.

[2] Khoshnevis, B. (2012). Automated construction by contour crafting—related robotics and information technologies. Automation in Construction, 21, 122-129.

[3] Salet, T., Bos, F., & Wolfs, R. (2015). 3D concrete printing: Machine and mix design, printing process and building performance. Cement and Concrete Research, 70, 31-41.

[4] Vatistas, G. H. (2019). 3D-printed concrete: Technological advances, applications and challenges. Materials, 12(5), 740.

[5] Wong, J. Y., Tan, M. J., & Tan, M. J. (2020). 3D printing for construction in Singapore: A review. Automation in Construction, 117, 103228.

[6] Yan, W., Zhang, W., Huang, Z., & Zhou, W. (2019). A review of 3D concrete printing: Materials, methods, and applications. Applied Sciences, 9(9), 1836.