Using 3D laser scanning for estimating the capacity of corroded steel bridge girders: Experiments, computations and analytical solutions

G Tzortzinis, C Ai, SF Breña, S Gerasimidis - Engineering Structures, 2022 - Elsevier
This paper explores the use of three-dimensional (3D) laser scanning to evaluate
deteriorated steel bridge girders due to corrosion. Initially, a naturally corroded beam from a …

Research on eccentric-compressive behavior of steel stub columns with localized corrosion

X Chen, S Li, Y Lu, C Tai, W Ma - Journal of Constructional Steel Research, 2024 - Elsevier
To explore the impact of localized corrosion on the mechanical properties of hollow steel
columns under eccentric loads, a specialized localized immersion-accelerated corrosion …

Strength evaluation of deteriorated girder ends. I: Experimental study on naturally corroded I-beams

G Tzortzinis, BT Knickle, A Bardow, SF Breña… - Thin-Walled …, 2021 - Elsevier
Corrosion is a common cause for steel bridge deterioration, primarily attributed to
malfunctioning deck expansion joints. Aged joints fail to prevent water or deicing mixtures …

Experimental testing, computational analysis and analytical formulation for the remaining capacity assessment of bridge plate girders with naturally corroded ends

G Tzortzinis, SF Breña, S Gerasimidis - Engineering Structures, 2022 - Elsevier
Aging bridges are prone to malfunctioning expansion joints, allowing water and deicing
mixtures to seep trough deteriorate the superstructure components. This paper evaluates …

Laser additive manufacturing for infrastructure repair: A case study of a deteriorated steel bridge beam

S Zhang, P Hou, J Kang, T Li, S Mooraj, Y Ren… - Journal of Materials …, 2023 - Elsevier
As our transportation infrastructure ages, its deterioration is becoming a growing concern.
Rapid and effective methods for repair can reduce the need for time-and cost-intensive …

Estimation of the residual bearing strength of corroded bridge girders using 3D scan data

T Zhang, AE Zaghi - Thin-Walled Structures, 2023 - Elsevier
The main cause of structural deficiency in steel bridges is corrosion damage at girder ends
caused by the leakage of bridge joints. This localized corrosion damage reduces steel …

Experimental study on the overall stability of corroded H-Shaped steel beams

L Luo, H Fu, Y Zhang, X **e - Buildings, 2022 - mdpi.com
The degradation of the overall stability of corroded rolled H-shaped steel beams under
bending conditions has not been extensively studied. In the present study, monotonic tensile …

Effect of corrosion on the buckling behaviour of cold-formed steel channel section columns under axial compression

B Nie, S Xu, H Chen, Y Wang - Archives of Civil and Mechanical …, 2023 - Springer
This paper presents an experimental and numerical investigation on the buckling behaviour
of corroded cold-formed steel (CFS) channel section columns under axial compression. 7 …

Damage Detection for a Cantilevered Steel I-Beam through Deep-Learning Methods: LSTM, Multivariate Time-Series Transformer, and LSTM-Based Autoencoder

E Sadeghian, E Dragomirescu… - Journal of Computing in …, 2025 - ascelibrary.org
The structural integrity of steel trusses and I-beams is of vital importance for preventing the
potential collapse of steel bridges when subjected to extraordinary forces. Thus, identifying …

Structural integrity of aging steel bridges by 3D laser scanning and convolutional neural networks

G Tzortzinis, A Filippatos, J Wittig, M Gude… - Communications …, 2024 - nature.com
For steel bridges, corrosion has historically led to bridge failures, resulting in fatalities and
injuries. To enhance public safety and prevent such incidents, authorities mandate in-situ …