Full-scale testing to failure of a steel truss railway bridge

Häggström, Jens; Blanksvärd, Thomas; Collin, Peter; Tu, Yongming

doi:10.1680/jbren.15.00025

Cited by 2 publications

(3 citation statements)

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“…The appearance inspection and static and dynamic load tests of steel structure bridges are the keys to verifying their mechanical performance [12][13][14][15]. In addition, the test data can provide a reference for the FE simulation method of steel structure bridges and calibrate the FE simulation data [16,17].…”

Section: Introductionmentioning

confidence: 99%

Experimental Analysis of Static and Dynamic Performance for Continuous Warren Truss Steel Railway Bridge in Heavy Haul Railway

Li,

Luo,

2024

Modelling and Simulation in Engineering

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Continuous Warren truss steel railway bridges are one of the main forms of railway bridges. Due to the deterioration of materials and the long-term effect of loads, the bridges will inevitably experience performance degradation, which may lead to the failure of the bridge structure to continue to operate. In order to study the mechanical properties of steel structure bridges after material deterioration and long-term loads, a continuous Warren truss steel railway bridge that has been in operation for nearly 30 years (built in 1996) is used as the research object, and a combination of field tests and finite element (FE) simulations are used to carry out research on its mechanical properties under different loads. The research results show that after nearly 30 years of operation, the steel structure bridge has local damage, but the bearing capacity still meets the requirements of heavy-duty traffic. At this stage, the corrosion of the steel structure and the damage of the bearing should be repaired in time to prevent the damage from expanding.

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Section: Introductionmentioning

confidence: 99%

Experimental Analysis of Static and Dynamic Performance for Continuous Warren Truss Steel Railway Bridge in Heavy Haul Railway

Li,

Luo,

2024

Modelling and Simulation in Engineering

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“…It is welcome to see papers from different countries. This is testament to the wide international appeal of Bridge Engineering and the standing of the journal among practising and research engineers worldwide.In the first paper, Häggström et al (2017) describe the full-scale testing of an old steel truss railway bridge to failure. It is not often that bridge engineers have the opportunity to test a real bridge to destruction and witness its behaviour near and at failure.…”

mentioning

confidence: 99%

“…In the first paper, Häggström et al (2017) describe the full-scale testing of an old steel truss railway bridge to failure. It is not often that bridge engineers have the opportunity to test a real bridge to destruction and witness its behaviour near and at failure.…”

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confidence: 99%

Editorial

Takács

2017

Proceedings of the Institution of Civil Engineers - Bridge Engi

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I think that many of us chose a career in engineering because we like solving technical problems, and we like solving technical problems by experimenting and finding solutions that are better than the ones we have used before. 'Better', in this context, could mean many things; longer, taller, slenderer, stronger, more durable, less disruptive, better looking, more economical, safer, more sustainable. This intrinsic drive to innovate is of course not just a self-serving demonstration of engineering prowess and flair. The demand for improved infrastructure and the ever-increasing expectations from society require engineers to remain innovative, challenge traditional thinking and go beyond established practices.This issue of Bridge Engineering contains five interesting papers. They cover newly built and existing bridges and general asset management but innovation is a common element to all. They demonstrate how innovative thinking can enhance our solutions and lead ultimately to delivering better value to our clients and society; be that producing a more efficient design, finding hidden reserves of strength in an aging bridge or optimising the maintenance spend across a network of structures. The five papers are from Sweden, the UK, Ireland, Japan and China. It is welcome to see papers from different countries. This is testament to the wide international appeal of Bridge Engineering and the standing of the journal among practising and research engineers worldwide.In the first paper, Häggström et al. (2017) describe the full-scale testing of an old steel truss railway bridge to failure. It is not often that bridge engineers have the opportunity to test a real bridge to destruction and witness its behaviour near and at failure. Besides the obvious thrill from the exercise, such tests can provide valuable insight into the behaviour of a real structure, its actual ultimate capacity and failure mechanisms. The findings can then be applied in the assessment of similar bridges. When the Åby Bridge in northern Sweden was replaced by a new bridge, it was placed on temporary supports alongside its original position and loaded to failure by two hydraulic jacks with cables anchored in bedrock. The authors describe the test and the accompanying numerical analysis, including comparison of the findings with a previous assessment to the Swedish assessment standard. Hendy et al. (2017) describe the design of Walton Bridge, a new arch road bridge over the River Thames. The two inclined steel arch ribs have a hexagonal cross-section and support the ladder deck on steel bar hangers. The paper provides a general overview of the design, followed by a more detailed account of two particular challenges that the designers had to tackle in order to produce a design that is both safe and efficient. The first issue relates to the section classification and resistance of the hexagonal shaped arch ribs that are made up of curved plates. The second issue relates to the fatigue and toughness properties of the steel bar hangers. The paper describe...

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Full-scale testing to failure of a steel truss railway bridge

Cited by 2 publications

References 4 publications

Experimental Analysis of Static and Dynamic Performance for Continuous Warren Truss Steel Railway Bridge in Heavy Haul Railway

Experimental Analysis of Static and Dynamic Performance for Continuous Warren Truss Steel Railway Bridge in Heavy Haul Railway

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