Port Bridge (case study)

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Object description

The bridge was built in 1985 in the capital of Slovakia - Bratislava. The road-rail bridge is situated over Danube River. The bridge was built on steel and concrete. It has a total length 460,8 m with continuous four span. The lengths of the spans are: 102,4 m, 204,8 m, 64 and 89,6 m. In the lower part a double track railroad. The road deck is a composite steel and concrete. It is placed on the tops of the steel trusses. The bridge was constructed in the ANSYS environment using beam and shell elements

Civil engineering type
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Road network Bridge
Year of construction
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1985
Composed of materials
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Location coordinates
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48° 8' 3.84" N, 17° 8' 22.56" E
Country
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Object analysis

The bridge in the capital is very important for roadway transport. The case of study is to research all points where it is possible to find some damages of bridge. Generally point of initiation of assessments is research interest. Monitoring of that bridge allows to eliminate all potential damages. All sensors is mounted along bridge. The physical intervention of that bridge is repair or strengthening.

Case type
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Research

Object state

The bridge over Danube River was constructed generally for roadway use. The most important damage for this bridge is excessive deformation and displacement. It is very important for dynamic behaviour of the bridge. It is used dynamic response as performance indicator. The signal of sensors could monitoring all possible defects (construction temperature). This leads to reduction risks of the deformation.

Observed deterioration processes
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Observed damage types
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Performance indicators
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Dynamic response (acceleration/damping/frequencies)

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This case study was contributed by Krzysztof Dul of Mostostal Warszawa S.A.. Last edited by technical staff.