Rędziński Bridge (case study)

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Object description

The bridge was built in 2011. The bridge is situated in Wroclaw over Odra River. It has a total length 612 m and width 38,58 m. The bridge in a four-span arrangement. The lengths of the spans are: 50 m, 256 m, 256 m and 50 m. This bridge has got the highest pylon in Poland (122 m). In this case was designed H-type reinforced concrete pylon which was common for both load-bearing structures.

Civil engineering type

:

Road network Bridge

Year of construction

:

2011

Composed of materials

:

Steel, Reinforced concrete

Location coordinates

:

51° 9' 24.43" N, 16° 57' 33.89" E

Country

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Poland

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Object analysis

The case of study of Redzinski bridge is to research all points where it is possible to find some damages. Generally point of initiation of assessments is structural deterioration. Monitoring of that bridge allows to eliminate all potential damages in qualitative criteria and design value criteria. All measurements sensors is mounted along bridge. The monitoring system of bridge consist of subsystem: construction and metrology monitoring. Also very important is structural analysis. In this case it concerns ultimate limit state and fatigue limit state. The physical intervention of that bridge is repair, strengthening or upgrading.

Case type

:

Research

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Object state

The bridge over Odra River was constructed generally for roadway use. The most important damage for this bridge is excessive deformation and displacements. It is very important for dynamic behaviour of the bridge. It is used three performance indicator: deformation, deflection, angular displacements and other loads (e.g. temperature). The signal of sensors could monitoring dynamic response. This leads to reduction risks of the deformation.

Observed deterioration processes

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Fatigue, Tension, Other observed deterioration process

Observed damage types

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Displacement, Excessive deformation

Performance indicators

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Deformation, Displacement, Other actions (wind/temperature/earthquake)

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Documents

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