[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] 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 …

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] New insights into the load sequence effect: Experimental characterization and incremental modeling of plain high-strength concrete under mode II fatigue …

H Becks, M Classen - International Journal of Fatigue, 2024 - Elsevier
Reinforced concrete (RC) infrastructure typically endures repeated subcritical loading
throughout its operational lifespan, potentially compromising structural integrity. A realistic …

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] Analysis of FRP-strengthened reinforced concrete beams using electromechanical impedance technique and digital image correlation system

R Perera, MC Huerta, M Baena, C Barris - Sensors, 2023 - mdpi.com
Fiber-reinforced polymer (FRP) strengthening systems have been considered an effective
technique to retrofit concrete structures, and their use nowadays is more and more …

Large-scale combined torsional and axial loading system (TorAx)–A new perspective on multiaxial testing of fracture and stress transfer in plain and reinforced …

H Becks, M Schmidt, S Bosbach, M Classen - Engineering Structures, 2024 - Elsevier
Civil engineering structures are exposed to complex loading scenarios leading to multiaxial
fracture and activation of stress transfer mechanisms along cracks controlled by combined …

[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 …

[HTML][HTML] Image-based techniques for initial and long-term characterization of crack kinematics in reinforced concrete structures

B Vincens, E Corres, A Muttoni - Engineering Structures, 2024 - Elsevier
In the recent years, Digital Image Correlation (DIC) was applied with very promising results
to monitor cracks in reinforced concrete structures. However, current DIC measurements …

Generalizing infrastructure inspection: step transfer learning aided extreme learning machine for automated crack detection in concrete structures

M Sohaib, MJ Hasan, J Chen… - … Science and Technology, 2024 - iopscience.iop.org
Identification of damage and selection of a restoration strategy in concrete structures is
contingent upon automatic inspection for crack detection and assessment. Most research on …