3D concrete printing: A systematic review of rheology, mix designs, mechanical, microstructural, and durability characteristics

AU Rehman, JH Kim - Materials, 2021 - mdpi.com
This paper provides a state-of-the-art report on the up-to-date research on the emerging 3D
concrete printing technology from the concrete materials perspective. It reviews the recent …

[HTML][HTML] A review of printing strategies, sustainable cementitious materials and characterization methods in the context of extrusion-based 3D concrete printing

Y Chen, S He, Y Gan, O Çopuroğlu, F Veer… - Journal of Building …, 2022 - Elsevier
This paper aims to provide a systematical review of the available printing strategies,
sustainable cementitious materials and characterization methods for extrusion-based 3D …

[HTML][HTML] A quasi-exponential distribution of interfacial voids and its effect on the interlayer strength of 3D printed concrete

L He, B Chen, Q Liu, H Chen, H Li, WT Chow… - Additive …, 2024 - Elsevier
In this work, a novel theoretical model of the void length probability distribution in 3D printed
concrete is established based on a zigzag analog of the layer interface. A quasi-exponential …

Evaluating the effects of porosity on the mechanical properties of extrusion-based 3D printed concrete

M van den Heever, A du Plessis, J Kruger… - Cement and Concrete …, 2022 - Elsevier
Elements fabricated by extrusion-based 3D concrete printing (3DCP) display anisotropic
mechanical properties when subject to loading conditions orientated in principle cartesian …

Microstructural characterization of 3D printed concrete

S Yu, M **a, J Sanjayan, L Yang, J **ao… - Journal of Building …, 2021 - Elsevier
Abstract 3D concrete printing technique offers a novel approach to build new infrastructure.
However, the microstructure of 3D printed concrete has rarely been studied so far. This study …

Assessment of pore structure characteristics and tortuosity of 3D printed concrete using mercury intrusion porosimetry and X-ray tomography

MK Mohan, AV Rahul, JF Van Stappen… - Cement and Concrete …, 2023 - Elsevier
Extrusion-based concrete 3D printing is being increasingly used in the construction industry.
This paper gives insights into the porosity and pore structure of 3D printed concrete …

Unraveling pore structure alternations in 3D-printed geopolymer concrete and corresponding impacts on macro-properties

Y Chen, Y Zhang, Y **e, Z Zhang, N Banthia - Additive Manufacturing, 2022 - Elsevier
Extrusion-based 3D-printed concrete (3DPC) structures are reported to hold mechanical
anisotropy behaviors and weak transport properties compared with cast concrete …

Relationship between microstructure and strain-hardening behaviour of 3D printed engineered cementitious composites

B Zhu, J Pan, J Li, P Wang, M Zhang - Cement and Concrete Composites, 2022 - Elsevier
The tensile behaviour of engineered cementitious composites (ECC) is highly dependent on
their microstructure characteristics. To date, the strain-hardening behaviour of printed ECC …

3D concrete printing of bioinspired Bouligand structure: A study on impact resistance

J Liu, S Li, K Fox, P Tran - Additive Manufacturing, 2022 - Elsevier
For extrusion-based 3D concrete printing, research work on mechanical properties mainly
focuses on static behaviour, whereas dynamic performance has been rarely reported …

Mechanical anisotropy evolution of 3D-printed alkali-activated materials with different GGBFS/FA combinations

Y Chen, L Jia, C Liu, Z Zhang, L Ma, C Chen… - Journal of Building …, 2022 - Elsevier
The mechanical anisotropy of 3D-printing concrete is a crucial factor limiting the application
of this technology. This study focuses on the evolutions of mechanical anisotropy and …