Dénes Kollár
YOU?
Author Swipe
View article: Application of Contour Method for Residual Stress Analysis of Large and Complex Cross-Sections in Civil Engineering
Application of Contour Method for Residual Stress Analysis of Large and Complex Cross-Sections in Civil Engineering Open
The study employs the contour method to determine two-dimensional longitudinal residual stress distributions in large and complex welded cross-sections widely used in the civil engineering industry. Measurements include T-joints, orthotrop…
View article: Dimensional Analysis and Validity of Uniaxial Residual Stress Distribution for Welded Box Sections
Dimensional Analysis and Validity of Uniaxial Residual Stress Distribution for Welded Box Sections Open
This paper investigates the residual stresses induced by metal inert/active gas (MIG/MAG) welding in normal strength steel box sections, focusing on the validity of uniaxial residual stress assumption. Advanced manufacturing simulations ar…
View article: Temporary Structural Health Monitoring of Historical Széchenyi Chain Bridge
Temporary Structural Health Monitoring of Historical Széchenyi Chain Bridge Open
A temporary monitoring system was installed on the 175-year-old historical Széchenyi Chain Bridge during its reconstruction. The bridge is in the downtown area in the capital city of Hungary and plays a significant role in the city life of…
View article: Temporary Structural Health Monitoring of Historical Széchenyi Chain Bridge
Temporary Structural Health Monitoring of Historical Széchenyi Chain Bridge Open
A temporary monitoring system was installed on the 175-years-old historical Széchenyi chain bridge under its reconstruction process. The bridge is in the downtown area of the capital city of Hungary and plays a significant role in city lif…
View article: Development of residual stress model of orthotropic steel decks using measurements
Development of residual stress model of orthotropic steel decks using measurements Open
Orthotropic steel decks are widely used in the bridge engineering practice due to light weight, high performance and high ultimate strength-to-weight ratio. Purpose of the current paper is developing the first residual stress model for ort…
View article: Investigations on the historical Széchenyi chain bridge
Investigations on the historical Széchenyi chain bridge Open
The Széchenyi chain bridge is an almost 170‐year‐old historical structure located in the downtown of Budapest, which has been reconstructed between 2020‐2022. The chain system of the bridge is more than 100 years old, and the rotational ca…
View article: Stability behaviour of sinusoidal corrugated web girders under fire conditions
Stability behaviour of sinusoidal corrugated web girders under fire conditions Open
Sinusoidal corrugated web girders, which are in the focus of the current paper, have been increasingly used in the past years in civil engineering applications due to economical design. Recently, a number of experiments dealing with the pa…
View article: Assessment of residual stresses in welded T-joints using contour method
Assessment of residual stresses in welded T-joints using contour method Open
Welded T-joints are commonly used in manufacturing of stiffened panels or crossbeams. However, welding of web-to-flange joint induces residual stresses and distortions resulting in significant challenges during both manufacturing and servi…
View article: A strain gauge-based Bridge Weigh-In-Motion system using deep learning
A strain gauge-based Bridge Weigh-In-Motion system using deep learning Open
Several breakthroughs have appeared in different applications due to deep learning which can be applied in Bridge Weigh-In-Motion (BWIM) systems as well. Therefore, deep learning applications should be examined in BWIM systems. However, so…
View article: Reliability analysis-based investigation of the historical Széchenyi Chain Bridge deck system
Reliability analysis-based investigation of the historical Széchenyi Chain Bridge deck system Open
Before the recent reconstruction, significant corrosion damages were observed on the deck system of the ∼170-year-old Széchenyi Chain Bridge. Therefore, an advanced reliability analysis-based study is executed to assess the risk of failure…
View article: Behaviour of CFST Stub Columns Subjected to Pure Compression
Behaviour of CFST Stub Columns Subjected to Pure Compression Open
Application of concrete-filled steel tubes (CFST) is becoming increasingly prominent in the civil engineering practice. However, the interaction of cross-sectional elements in CFST columns raises a number of questions, which have to be inv…
View article: Assessment of deformation in bridge bearing areas using measurements and welding simulation
Assessment of deformation in bridge bearing areas using measurements and welding simulation Open
Deformations of bottom flanges in the vicinity of bridge bearings, i.e., in bearing areas, due to manufacturing and loading can result in serious problems in service life and damages in bridge superstructures and structural bearings coming…
View article: Weld process model for simulating metal active gas welding
Weld process model for simulating metal active gas welding Open
Generally, optimum welding variables and conditions of manufacturing are currently mainly determined by experiments for standardized production. Virtual manufacturing and virtual testing of weldments using finite element method provide a s…
View article: Numerical Simulation of Welding Process – Application in Buckling Analysis
Numerical Simulation of Welding Process – Application in Buckling Analysis Open
Numerical simulations make the improvement of fabrication process and welding technology. Numerical simulations make the improvement of fabrication process and welding technology possible. Using finite element method the most important inf…