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Content archived on 2024-06-16

Structural health monitoring of a suspension bridge in Istanbul, Turkey

Objective

The proposal request funds to develop a real-time vibration monitoring and condition assessment system, i.e. a Structural Health Monitoring (SHM) system, for a suspension bridge. The bridge selected for the study is the Fatih Sultan Mehmet Bridge, also known as the Second Bosporus Bridge, in Istanbul, Turkey. We propose to monitor the static and dynamic motions of the bridge continuously by using acceleration, GPS, and rotational sensors, and develop real-time algorithms for data analysis and damage detection.

One of the primary objectives of the SHM system will be to detect damage after earthquakes. We postulate that damage can be detected based on the changes in the natural frequencies of the bridge during the earthquake, plus the presence of any permanent deformations after the earthquake. The former is determined from the analysis of earthquake response data, whereas the latter is determined from the comparison of pre- and post-earthquake ambient response data. We propose to use GPS sensors and rotational sensors to measure permanent deformations. The key product of the research will be an automated structural condition assessment and damage detection software for the bridge.

The project will be the first application of SHM in Turkey. The bridge is a critical lifeline in Istanbul, a city with 62% probability for a large earthquake within the next 30 years. The proposed SHM system will not only monitor the current condition of the bridge, but also provide crucial data to predict its response for future earthquakes. The knowledge and experience gained from this project will help to develop similar SHM systems for other bridges throughout Europe, leading to safer structures and reduced maintenance costs. The project will be completed by the Kandilli Observatory and Earthquake Research Institute of Bogazici University, where the applicant will be based, in collaboration with the General Directorate of Turkish Highways.

Keywords

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Topic(s)

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Call for proposal

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FP6-2004-MOBILITY-12
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Funding Scheme

Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.

IRG - Marie Curie actions-International re-integration grants

Coordinator

KANDILLI OBSERVATORY AND EARTHQUAKE RESEARCH INSTITUTE, BOGAZICI UNIVERSITY
EU contribution
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Address
Kandilli Rasathanesi ve Deprem Arastirma Enstitusu
CENGELKOY, ISTANBUL
Türkiye

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Total cost

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