[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 …

A digital image correlation technique for laboratory structural tests and applications: a systematic literature review

MA Mousa, MM Yussof, TS Hussein, LN Assi… - Sensors, 2023 - mdpi.com
Digital image correlation (DIC) is an optical technique used to measure surface
displacements and strains in materials and structures. This technique has demonstrated …

Evaluation of distributed fibre optic sensors in structural concrete

T Janiak, H Becks, B Camps, M Classen… - Materials and …, 2023 - Springer
In civil engineering, the analysis and characterisation of structural phenomena is key for the
deviation of mechanical models and strongly depends on experimental studies. For this …

[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 …

Crack monitoring on concrete structures: Comparison of various distributed fiber optic sensors with digital image correlation method

M Herbers, B Richter, D Gebauer, M Classen… - Structural …, 2023 - Wiley Online Library
The quality of strain measurements using distributed fiber optic sensors (DFOS) depends
largely on the bond between the host material and the optical fiber. Experimental …

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 …

Dowel action of textile CFRP shear reinforcement in carbon reinforced concrete

S Bosbach, J Hegger, M Classen - Construction and Building Materials, 2024 - Elsevier
Composite structures with textile CFRP (carbon fibre reinforced polymer) reinforcement are
characterised by high compressive and tensile strength and have great potential for use in …

Characterization of high-strength concrete under monotonic and fatigue mode II loading with actively controlled level of lateral compression

H Becks, M Aguilar, R Chudoba, M Classen - Materials and Structures, 2022 - Springer
The fatigue behavior of plain concrete has been studied for decades, usually under
compressive or tensile loading. Shear loading (mode II) has been almost completely …

Punching Shear Response Theory (PSRT)–A two degree of freedom kinematic theory for modeling the entire punching shear vs. deformation response of RC slabs …

M Classen, M Kalus - Engineering Structures, 2023 - Elsevier
Punching failures of reinforced concrete flat slabs and footings without shear reinforcement
have been responsible for a number of catastrophic collapses. Despite intense scientific …

Evolution of the mixed mode FPZ and fracture roughness of Beishan granite after coupled thermo-hydro-mechanical treatment

D Zhang, T Meng, L Gao, S Pu, F Wang, E Li - Theoretical and Applied …, 2024 - Elsevier
Deep surrounding rocks contain a network of longitudinally intersecting fissures. Exploration
of their fracture process zone (FPZ) size evolution during mixed loading and fracture surface …