The Marktwasser bridge S33.24 is an integral reinforced concrete foreland bridge with a three-span plate structure with a peripheral span and a central span of 19.50 m and 28.05 m of the cantilever bridge leading over the Danube near Krems. The bridge was completed in 2010. The abutment end faces of the structure are inclined at an angle of 74 ° with respect to the longitudinal axis of the structure. The monolithic, rigid connection between the eight pillars and the 1.0 m thick structural slab is ensured by a 1.6 m high haunch formation over a length of 2.50 m. The width of the ceiling slab is between 19.40 m and 22.70 m, disregarding the two cantilevers, each 2.50 m long. The entire structure is based on four rows of bored piles with a length of 12.00 m in the abutment axes and a length of 19.50 m in the pillar axes.
Object description
(No object description available.)
Civil engineering type
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Year of construction
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2010
Composed of materials
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Location coordinates
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48° 22' 40.86" N, 15° 42' 50.44" E
Country
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Object analysis
In the course of this case study, a concept for an effective integration of monitoring information into a numerical model based on the concept of model correction factors was dealt with. In particular, this study arose from the questions posed in the course of the research project “Monitoring-based Analysis Integral Bridges (MAIB) ”. The MAIB research project pursues issues relating to the structure, the interaction between the structure and the soil, the stability of the soil behind the abutment and the transition area between the structure and the ground in the roadway area.
Object state
In the course of the research project, the method of model correction factors in combination with sensor-related influence lines could be developed through a targeted test load program, which allows a comprehensive model adjustment and continuous evaluation using performance indicators based on the monitoring information.
Observed deterioration processes
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Observed damage types
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Performance indicators
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Displacement, Dynamic response (acceleration/damping/frequencies), Material mechanical properties
Images
Documents
This case study was contributed by Lisa Ptacek of Universität für Bodenkultur Wien. Last edited by technical staff.
