Monitoring concept for the propagation of compressive fatigue in externally prestressed concrete beams using digital image correlation and fiber optic sensors

H Becks, A Baktheer, S Marx, M Classen… - Fatigue & Fracture of …, 2023 - Wiley Online Library
The fatigue of concrete has been the subject of research for many years, and yet, there are
still open questions. In particular, the fatigue‐induced damage evolution accompanied by a …

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 …

openLAB–Eine Forschungsbrücke zur Entwicklung eines digitalen Brückenzwillings

M Herbers, JH Bartels, B Richter, F Collin… - Beton‐und …, 2024 - Wiley Online Library
Abstract Im Rahmen des Forschungsprojekts IDA‐KI wird eine Forschungsbrücke
(openLAB) gebaut, die bis in den Bereich der starken Schädigung belastet wird. Begleitend …

Compression softening of textile CFRP reinforced concrete (CRC): Biaxial testing of cracked CRC panels and derivation of constitutive laws

S Bosbach, J Hegger, M Classen - Construction and Building Materials, 2024 - Elsevier
Due to its insensitivity to corrosion, textile CFRP (carbon fibre reinforced polymer)
reinforcement enables the construction of thin-walled concrete structures such as shells …

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] The Application of High-Resolution, Embedded Fibre Optic (FO) Sensing for Large-Diameter Composite Steel/Plastic Pipeline Performance under Dynamic …

NJ Cassidy, P O'Regan, S Luo, DN Chapman… - Sensors, 2024 - mdpi.com
Distributed optical fibre sensing (DOFS)-based strain measurement systems are now
routinely deployed across infrastructure health monitoring applications. However, there are …

Neue Perspektiven auf das Querkrafttragverhalten von Stahlbetonbauteilen ohne Querkraftbewehrung

M Schmidt, F Seemab, R Chudoba… - Beton‐und …, 2023 - Wiley Online Library
Abstract Das Querkrafttragverhalten von Bauteilen ohne Querkraftbewehrung ist seit über
100 Jahren ein fester Bestandteil der Forschung im Massivbau. In den letzten Jahren sind …

Detection of tendon breaks in prestressed concrete structures using coda wave interferometry

N Sträter, F Clauß, MA Ahrens, P Mark - Structural Concrete, 2024 - Wiley Online Library
Tendon breaks significantly threaten the safety of prestressed concrete structures. Failure of
embedded tendons does not necessarily indicate as surface cracks, demonstrating the need …

Cracks monitoring in reinforced concrete structure with optical fibers patch

Y de Souza Gomes, O Plé, A Lushnikova… - Optics & Laser …, 2024 - Elsevier
In the context of the necessity to monitor civil engineering structures in order to prevent
incidents, this paper presents the performance of an innovative optical fibers patch sensor …

Bond Behaviour and Crack Width Prediction in Non-metallic Textile-Reinforced Concrete Members

C Schmidt, M Classen, J Hegger - RILEM-fib International Symposium on …, 2024 - Springer
Non-metallic reinforcement not only facilitates a substitution of conventional reinforcing
steel, but also allows for slender members with a reduced concrete cover or an increase in …