Monitoring two cable-stayed bridges during load tests with fiber optics

Gómez-Martínez, Roberto; Sánchez-García, Raúl; Escobar-Sánchez, José A.; Arenas-García, Luis M.; Mendoza-Salas, Marco A.; Rosales-González, Oscar N.

doi:10.1016/j.istruc.2021.07.026

Cited by 14 publications

(5 citation statements)

References 10 publications

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“…The underlying reason for instrumenting [15] the bridge was to examine the response of the bridge under various loading conditions. The global deformation or deflection of the bridge is a measure of its stiffness [16,17].…”

Section: Measurement Planmentioning

confidence: 99%

“…The global deformation or deflection of the bridge is a measure of its stiffness [16,17]. On the other hand, stresses will give us the local behavior of elements that might prompt fatigue evaluation of the various elements [15]. Measurement instruments at our disposal were limited to the LVDT-displacement transducers, Friction strain gauge, image processing, and MEMs accelerometer.…”

Section: Measurement Planmentioning

confidence: 99%

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Condition Assessment and Adaptation of Bailey Bridges as a Permanent Structures

Kusimba

Rinzin²,

Banno³

et al. 2022

Applied Sciences

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The present study assessed the Bailey Bridge’s condition and investigated its adaptation as a permanent structure, targeted the Acrow Bailey Bridge in Japan. Field diagnostic loading experiments were performed under various loading conditions, such as dynamic and static loading tests. The onsite data were obtained using a transducer, friction strain gauge, target measurements for the image processing approach, and accelerometer. From the field measurements, the deflection and stresses of the bridge were found to operate within the linear elastic region. The bridge was then accurately modeled based on the in situ geometric configuration of the bridge, and Finite Element Analysis was performed. The model’s accuracy was validated with the onsite data under the linear elastic domain. The model was deployed to check for resistance of critical members. A nonlinear analysis based on the linear and nonlinear buckling method was performed to determine the subject bridge’s Serviceability Limit State and Ultimate Limit State. The results showed that the first out-of-plane eigenvalue buckling analysis could monolithically assess bridge members. Further, the study established digital twin models resolve for historical data through in situ modeling measurements. Therefore, the findings obtained in this study highlight the bridge’s Structural Health Condition, bearing capacity, and propose a framework for adaptation as a permanent structure.

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Section: Measurement Planmentioning

confidence: 99%

Section: Measurement Planmentioning

confidence: 99%

Condition Assessment and Adaptation of Bailey Bridges as a Permanent Structures

Kusimba

Rinzin²,

Banno³

et al. 2022

Applied Sciences

View full text Add to dashboard Cite

show abstract

“…Special monitoring is the activity of monitoring the operational behavior of a structure by periodically measuring, recording, processing and interpreting the values of the parameters that define the extent to which the bridge maintains over time the strength, stability and durability requirements necessary to ensure safe traffic [4].…”

Section: Introductionmentioning

confidence: 99%

Topographic Monitoring of the Operational Behaviour of the Longest Cantilever Viaduct in Romania

Boacă,

Scutaru

2024

IOP Conf. Ser.: Mater. Sci. Eng.

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Over time, bridges have been built to fulfil different roles. With the development of industry came the need to build new transit routes linking industrial areas to cities or freight routes. The peak period of industrial development in Romania was in the 1960s, when a large number of bridges were built and put into operation. One of these bridges is the Sidex viaduct, located in Galaţi. The construction has a total length of 1,070 m, with 15 spans of different lengths (47.40 m + 13 * 75.00 m + 47.40 m). The resistance structure is made of 7 prestressed concrete frames linked together by joints located at the level of the cantilevers, the structure being the largest cantilever viaduct in operation in our country. The present article focuses on the presentation of the implementation of a special monitoring program of the viaduct’s in-service performance. For this purpose, special technologies have been used, such as topographic monitoring of the evolution of structural displacements at the most representative points of the structure, an implementation that we develop in detail.

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“…Several works in the literature focus on proof testing of cable-stayed bridges through dynamic and static tests. For example, Gomez-Martinez et al [1] presented the experimental response of two newly built cable-stayed bridges in Mexico that were subjected to static and dynamic loads, addressing the use of optical fiber sensors to perform the bridge monitoring during the tests. Also, Bayraktar et al [2] showed static, ambient, and dynamic field test observations of the long span Nissibi cable-stayed bridge in Turkey, while Liu et al [3] discussed the static and dynamic tests that were performed on the Suifenhe cable-stayed bridge (China) after 12 years from its opening to traffic, with the aim of evaluating its health status.…”

Section: Introductionmentioning

confidence: 99%

A Good Practice for the Proof Testing of Cable-Stayed Bridges

et al. 2022

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This paper presents the results and interpretations of static and dynamic tests that were executed on a newly built cable-stayed steel-concrete composite bridge during the final proof testing. A brief description of the structure, the testing methodology, and the used instrumentation are presented. Then, the test results are widely discussed and interpreted in order to evaluate the bridge performance during the proof test and also to understand the usefulness of each performed test in a proof test framework. All the collected experimental data are also compared to the numerical ones that were obtained through a refined finite element model, in order to check the behavior of the structure. The outcomes of the present work can offer references for the proof testing and monitoring of cable-stayed bridges.

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Monitoring two cable-stayed bridges during load tests with fiber optics

Cited by 14 publications

References 10 publications

Condition Assessment and Adaptation of Bailey Bridges as a Permanent Structures

Condition Assessment and Adaptation of Bailey Bridges as a Permanent Structures

Topographic Monitoring of the Operational Behaviour of the Longest Cantilever Viaduct in Romania

A Good Practice for the Proof Testing of Cable-Stayed Bridges

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