[HTML][HTML] A review of recent trends and challenges in numerical modeling of the anisotropic behavior of hardened 3D printed concrete
The rapid development of 3D printed concrete (3DPC) technology, in particular the
integration of reinforcement into the components, emphasizes the need for accurate …
integration of reinforcement into the components, emphasizes the need for accurate …
[HTML][HTML] A Voronoi-based gaussian smoothing algorithm for efficiently generating RVEs of multi-phase composites with graded aggregates and random pores
This paper presents an innovative numerical modeling framework capable of generating
highly realistic 3D mesoscale multi-phase concrete models with unprecedented efficiency …
highly realistic 3D mesoscale multi-phase concrete models with unprecedented efficiency …
A review on fracture propagation in concrete: Models, methods, and benchmark tests
Rigorous characterization of fracture evolution in quasi-brittle materials–such as concrete–
requires computationally intensive and, mostly, complex approaches. However, the …
requires computationally intensive and, mostly, complex approaches. However, the …
Effect of printing parameters on interlayer bond strength of 3D printed limestone-calcined clay-based cementitious materials: An experimental and numerical study
For a single batch material, time intervals and nozzle standoff distances between two
subsequent layers are two critical printing parameters that influence the mechanical …
subsequent layers are two critical printing parameters that influence the mechanical …
[HTML][HTML] Convolutional neural network for predicting crack pattern and stress-crack width curve of air-void structure in 3D printed concrete
Extrusion-based 3D concrete printing (3DCP) results in deposited materials with complex
microstructures that have high porosity and distinct anisotropy. Due to the material …
microstructures that have high porosity and distinct anisotropy. Due to the material …
Modeling of microstructural effects on the creep of hardened cement paste using an experimentally informed lattice model
This paper presents a method to numerically investigate the microstructural effect on the
creep behavior of cement paste at the microscale. The lattice fracture model is extended to …
creep behavior of cement paste at the microscale. The lattice fracture model is extended to …
A discrete lattice model for assessment of buildability performance of 3D‐printed concrete
In this work, the lattice model is applied to study the printing process and quantify the
buildability (ie, the maximum height that can be printed) for 3D concrete printing (3DCP) …
buildability (ie, the maximum height that can be printed) for 3D concrete printing (3DCP) …
Microscale and macroscale strength behaviors of blast furnace slag-cement based materials: Modeling and analysis
L Yuan, J Qiu, Z Guo, S Zhang, X Wan, X Sun - Construction and Building …, 2023 - Elsevier
Blast furnace slag (BFS) is used extensively as a cement replacement material, improving
both the microstructure and the mechanical properties. How to optimize the content of BFS …
both the microstructure and the mechanical properties. How to optimize the content of BFS …
A multi‐phase mechanical model of biochar–cement composites at the mesoscale
This study presents a five‐phase mesoscale modeling framework specifically developed to
investigate crack propagation and mechanical properties of biochar–cement composites …
investigate crack propagation and mechanical properties of biochar–cement composites …
The durability of concrete subject to mechanical load coupled with freeze–thaw cycles: A review
In cold regions, concrete structures are often subject to the coupled effect of mechanical
loading with freeze–thaw (F–T) cycles, which results in a reduced service life. In this paper …
loading with freeze–thaw (F–T) cycles, which results in a reduced service life. In this paper …