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- Title
MODAL TESTING OF AN ISOLATED OVERPASS BRIDGE IN ITS CONSTRUCTION STAGES.
- Authors
ARAS, Fuat
- Abstract
This study presents the application of ambient vibration survey based dynamic testing on an isolated, precast and pre-stressed overpass bridge during and after its construction. In the studied three-bay bridge, the girders are located on the elastomeric bearings carried by two abutments and two internal piers. The first modal testing is performed after the placement of the girders on the elastomeric bearings and dynamic properties of the uncompleted bridge are determined. After the completion of all construction works and the opening of the overpass to human traffic, the modal testing is repeated to obtain the dynamic properties of the final structure. The dynamic properties obtained in both analyses are used to interpret the effects of the performed works between two modal testing. Moreover, the structural behaviour of isolated, precast and pre-stressed bridges is evaluated in detail.
- Subjects
DYNAMIC testing; GIRDERS; BRIDGE maintenance &; repair; BRIDGE failures; PIERS; BRIDGE abutments; BRIDGES
- Publication
Baltic Journal of Road & Bridge Engineering (RTU Publishing House), 2018, Vol 13, Issue 1, p67
- ISSN
1822-427X
- Publication type
Article
- DOI
10.3846/bjrbe.2018.398