[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 …

Stress configuration‐based classification of current research on fatigue of reinforced and prestressed concrete

A Baktheer, C Goralski, J Hegger… - Structural …, 2024 - Wiley Online Library
The limited understanding of the fatigue behavior of reinforced and prestressed concrete
members is one of the reasons why many structures do not reach their expected service life …

[HTML][HTML] Phase field cohesive zone modeling for fatigue crack propagation in quasi-brittle materials

A Baktheer, E Martínez-Pañeda, F Aldakheel - Computer Methods in …, 2024 - Elsevier
The phase field method has gathered significant attention in the past decade due to its
versatile applications in engineering contexts, including fatigue crack propagation modeling …

Fatigue‐induced stress redistribution in prestressed concrete beams modeled using the constitutive hypothesis of inter‐aggregate degradation

A Baktheer, S Esfandiari, M Aguilar… - Fatigue & Fracture of …, 2024 - Wiley Online Library
Despite of intensive research on concrete fatigue, the transfer of fatigue characteristics
determined at the material level to the structural level remains a challenging issue. In this …

[HTML][HTML] Multi-axial fatigue of high-strength concrete: Model-enabled interpretation of punch-through shear test response

M Aguilar, A Baktheer, R Chudoba - Engineering Fracture Mechanics, 2024 - Elsevier
This paper aims to fill the gap in multi-axial fatigue characterization of concrete by
presenting a comprehensive numerical analysis of data from the punch-through shear test …

[PDF][PDF] SIMULATION OF TRI-AXIAL STRESS REDISTRIBUTION EFFECT IN CONCRETE UNDER FATIGUE LOADING: LATTICE DISCRETE MODEL VS …

M Aguilar, A Baktheer, R Wan-Wendner, J Vorel… - researchgate.net
This work aims to develop advanced macro-and mesoscale numerical models to accurately
reflect the mechanisms behind the initiation and propagation of concrete fatigue damage. A …

[PDF][PDF] Fatigue of concrete studied using a confined punch-through shear test

M Aguilar, H Becks, A Baktheer, M Classen… - publications.rwth-aachen.de
Accurate prediction of fatigue in reinforced concrete structures remains a challenging goal
that is receiving increasing attention in research. Understanding concrete fatigue is critical …

[PDF][PDF] Neues Performance-Prüfverfahren zur Sulfatbeständigkeit von Beton

A Vollpracht, V Feldrappe, J Haufe, S Overmann… - DEUTSCHER … - d-nb.info
Kurzfassung Im Rahmen einer Dissertation am ibac wurde in Zusammenarbeit mit dem
FEhS, Duisburg, ein neues Prüfverfahren für die Bewertung des Sulfatwiderstands von …