Fresh and Hardened Properties of Extrusion-Based 3D-Printed Cementitious Materials: A Review

Zhanzhao Li, Maryam Hojati, Zhengyu Wu, Jonathon Piasente, Negar Ashrafi, José P. Duarte, Shadi Nazarian, Sven G. Bilén, Ali M. Memari and Aleksandra Radlińska
Additional contact information
Zhanzhao Li: Department of Civil and Environmental Engineering, The Pennsylvania State University, University Park, PA 16802, USA
Maryam Hojati: Department of Civil, Construction, and Environmental Engineering, The University of New Mexico, Albuquerque, NM 87131, USA
Zhengyu Wu: Department of Architecture Engineering, The Pennsylvania State University, University Park, PA 16802, USA
Jonathon Piasente: Department of Civil and Environmental Engineering, The Pennsylvania State University, University Park, PA 16802, USA
Negar Ashrafi: Department of Architecture, The Pennsylvania State University, University Park, PA 16802, USA
José P. Duarte: Department of Architecture, The Pennsylvania State University, University Park, PA 16802, USA
Shadi Nazarian: Department of Architecture, The Pennsylvania State University, University Park, PA 16802, USA
Sven G. Bilén: School of Engineering Design, Technology, and Professional Programs, The Pennsylvania State University, University Park, PA 16802, USA
Ali M. Memari: Department of Civil and Environmental Engineering, The Pennsylvania State University, University Park, PA 16802, USA
Aleksandra Radlińska: Department of Civil and Environmental Engineering, The Pennsylvania State University, University Park, PA 16802, USA

Sustainability, 2020, vol. 12, issue 14, 1-34

Abstract: 3D-printing of cementitious materials is an innovative construction approach with which building elements can be constructed without the use of formwork. Despite potential benefits in the construction industry, it introduces various engineering challenges from the material point of view. This paper reviews the properties of extrusion-based 3D-printed cementitious materials in both fresh and hardened states. Four main properties of fresh-state printing materials are addressed: flowability, extrudability, buildability, and open time, along with hardened properties, including density, compressive strength, flexural strength, tensile bond strength, shrinkage, and cracking. Experimental testing and effective factors of each property are covered, and a mix design procedure is proposed. The main objective of this paper is to provide an overview of the recent development in 3D-printing of cementitious materials and to identify the research gaps that need further investigation.

Keywords: 3D-printing; additive manufacturing; cementitious materials; fresh properties; hardened properties; mix design (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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