Structural Health Monitoring System of a Concrete Cable-Stayed Bridge

Biliszczuk, J.; Hawryszków, Paweł; Teichgraeber, Marco

doi:10.21307/acee-2018-055

Cited by 6 publications

(5 citation statements)

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“…Although embedding sensors inside the components of new structures is most beneficial from the quality and quantity of information obtained, it is also necessary to be aware of the existing, ageing infrastructure [55]. The following example is related to one of the largest concrete bridges in Poland-Rędzi ński Bridge [56,57] (Figure 19a). The Rędziński Bridge was equipped with DFOS monolithic sensors in 2020, joining the honourable group of several bridges in Poland with this innovative monitoring solution.…”

Section: Largest Concrete Cable-stayed Bridge In Polandmentioning

confidence: 99%

The Smart Nervous System for Cracked Concrete Structures: Theory, Design, Research, and Field Proof of Monolithic DFOS-Based Sensors

Bednarski

Sieńko

Howiacki

et al. 2022

Sensors

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The article presents research on the performance of composite and monolithic sensors for distributed fibre optic sensing (DFOS). The introduction summarises the design of the sensors and the theoretical justification for such an approach. Lessons learned during monitoring cracked concrete are summarised to highlight what features of the DFOS tools are the most favourable from the crack analysis point of view. Later, the results from full-size laboratory concrete specimens working in a cracked state were presented and discussed in reference to conventional layered sensing cables. The research aimed to compare monolithic sensors and layered cables embedded in the same reinforced concrete elements, which is the main novelty. The performance of each DFOS nondestructive tool was investigated in the close vicinity of the cracks—both the new ones, opening within the tension zone, and the existing ones, closing within the compression zone. The qualitative (detection) and quantitative (widths estimation) crack analyses were performed and discussed. Finally, the examples of actual applications within concrete structures, including bridges, are presented with some examples of in situ results.

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Section: Largest Concrete Cable-stayed Bridge In Polandmentioning

confidence: 99%

The Smart Nervous System for Cracked Concrete Structures: Theory, Design, Research, and Field Proof of Monolithic DFOS-Based Sensors

Bednarski

Sieńko

Howiacki

et al. 2022

Sensors

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“…The developed research program and applied solutions can be particularly useful in monitoring degradation processes occurring in concrete bridges with a long-span superstructure (e.g. [14]- [16]).…”

Section: Discussionmentioning

confidence: 99%

Sensory monitoring system of the post‐tensioned concrete bridge over the Odra River in Poland

Kużawa,

Bień

2023

ce papers

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The paper presents the Structural Health Monitoring system installed on the posttensioned concrete road bridge over the Odra River in Poland. The bridge superstructure has a form of the 5‐span box girder with skewed supports, built using the cantilever method. During operation of the bridge (since 2010) many cracks arrived in the superstructure, mainly within the main bridge span with a length of 140 m. Therefore, as a part of a complex diagnostic process, the monitoring system were incorporated for assessment of the bridge performance and for observing further propagation of damage. The implemented monitoring system utilizes Fiber Bragg Grating (FBG) technique for measuring of strains, changes of cracks width and angular displacements of concrete box girder for various operating conditions of the structure including effects of regular road traffic, environmental influences and rheological phenomena. The paper presents applied testing and measuring procedures as well as results of the monitoring. Conclusions regarding effectiveness of the applied testing method in identification of the bridge condition are formulated and discussed.

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“…The installed sensors are measuring the following values: stress, temperature, accelerations and displacements [ 6 ]. The connection with the system is allowed by an Internet browser application that provides an overview of each sensor.…”

Section: The Rędziński Bridge and Its Shm Systemmentioning

confidence: 99%

“…From the design and analytical point of view, it is important to determine the impact of individual types of loads on the fatigue strength of stay cables. The works [ 6 , 16 ] discuss various approaches to considering the moving loads on bridges. It is assumed that continuous vehicle traffic has a completely different impact on the forces and displacements (vibrations) of cables than other short-term intense weather changes such as windstorms or big amplitudes of temperature.…”

Section: Cable Forces Analysismentioning

confidence: 99%

“…Most of the studies related to SHM, which were cited in this work, present the general methods of these system operations. The aim of the authors was to show how to use the collected data for scientific purposes, which is also an extension of their own research presented in [ 6 ], where the SHM system of the Rędziński Bridge and measured quantities were described, but without statistical analysis. The idea of the separation of individual load effects is presented based on data from the SHM monitoring system and FEM models of the structure.…”

Section: Introductionmentioning

confidence: 99%

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SHM System and a FEM Model-Based Force Analysis Assessment in Stay Cables

Biliszczuk

Hawryszków

Teichgraeber

2021

Sensors

Self Cite

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The Rędziński Bridge in Wrocław is the biggest Polish concrete cable-stayed bridge. It is equipped with a large structural health monitoring (SHM) system which has been collecting the measured data since the bridge opening in the year 2011. This paper presents a comparison between the measured data and the finite element method (FEM) calculations, while taking into account 7 years of data collection and analyses. The first part of this paper concerns the SHM application. In the next part, which contains comparisons between forces in cables and temperature changes throughout the structure, the measured data are presented. The third part includes SHM-based calculations and simulations with a complex FEM model to check the measured data and to estimate future measurements. The last part contains a durability assessment calculation for the cable stays.

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Structural Health Monitoring System of a Concrete Cable-Stayed Bridge

Cited by 6 publications

References 1 publication

The Smart Nervous System for Cracked Concrete Structures: Theory, Design, Research, and Field Proof of Monolithic DFOS-Based Sensors

The Smart Nervous System for Cracked Concrete Structures: Theory, Design, Research, and Field Proof of Monolithic DFOS-Based Sensors

Sensory monitoring system of the post‐tensioned concrete bridge over the Odra River in Poland

SHM System and a FEM Model-Based Force Analysis Assessment in Stay Cables

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