[HTML][HTML] A review of recent trends and challenges in numerical modeling of the anisotropic behavior of hardened 3D printed concrete

A Baktheer, M Classen - Additive Manufacturing, 2024‏ - Elsevier
The rapid development of 3D printed concrete (3DPC) technology, in particular the
integration of reinforcement into the components, emphasizes the need for accurate …

[HTML][HTML] A review of methods on buildability quantification of extrusion-based 3D concrete printing: From analytical modelling to numerical simulation

Z Chang, Y Chen, E Schlangen, B Šavija - Developments in the Built …, 2023‏ - Elsevier
Herein, different kinds of methods for buildability quantification of 3D concrete printing are
reviewed, including experimental approaches, analytical modelling, and numerical …

[HTML][HTML] Printing path-dependent two-scale models for 3D printed planar auxetics by material extrusion

RJM Bol, Y Xu, B Šavija - Additive Manufacturing, 2024‏ - Elsevier
One particularly interesting class of mechanical metamaterials are those having a negative
Poisson's ratio, which are referred to as 'auxetics'. Because of their geometrical complexity …

Comparative analysis of structural build-up in one-component stiff and two-component shotcrete-accelerated set-on-demand mixtures for 3D concrete printing

BM Birru, AU Rehman, JH Kim - Virtual and Physical Prototy**, 2024‏ - Taylor & Francis
ABSTRACT 3D Concrete Printing (3DCP) is undergoing a shift from stiff printable mixtures
towards set-on-demand mixtures. Nonetheless, there remains a significant gap in …

A plastic Stillinger-Weber potential-based discretized virtual internal bond approach for modeling soft rock fracture and its application in tunnel failure

Y Yang, Z Shao, K Wu, Y Wang - Engineering Fracture Mechanics, 2024‏ - Elsevier
Soft rocks present some undesirable behaviors, such as low strength, high plasticity and
softening. These traits pose challenges in the design and construction of soft rock tunnels …

[HTML][HTML] Does early age creep influence buildability of 3D printed concrete? Insights from numerical simulations

Z Chang, M Liang, Y Chen, E Schlangen, B Šavija - Additive Manufacturing, 2023‏ - Elsevier
Cementitious materials may exhibit significant creep at very early age. This is potentially
important for concrete 3D printing, where the material is progressively loaded even before it …

Peridynamic buildability analysis of 3D-printed concrete including damage, plastic flow and collapse

J Zhu, X Ren, M Cervera - Additive Manufacturing, 2023‏ - Elsevier
Without the restriction of formwork, 3D–printed concrete (3DPC) shows great advantages in
construction; for the same reason, it presents stability problems, which greatly affect its …

From pum** to deposition: A Comprehensive review of test methods for characterizing concrete printability

A Fasihi, NA Libre - Construction and Building Materials, 2024‏ - Elsevier
Abstract 3D concrete printing (3DCP) technology has gained significant attention in the
construction industry due to its potential to revolutionize the way buildings are designed and …

[HTML][HTML] An enhanced lattice beam element model for the numerical simulation of rate-dependent self-healing in cementitious materials

S Sayadi, Z Chang, S He, E Schlangen, IC Mihai… - Engineering Fracture …, 2023‏ - Elsevier
This paper describes the development of a discrete lattice model for simulating structures
formed from self-healing cementitious materials. In particular, a new approach is presented …

Doe approach to setting input parameters for digital 3D printing of concrete for coarse aggregates up to 8 mm

A Vespalec, J Podroužek, D Koutný - Materials, 2023‏ - mdpi.com
This paper is primarily concerned with determining and assessing the properties of a cement-
based composite material containing large particles of aggregate in digital manufacturing …