Weigh-in-Motion Systems for Bridges

Use of BWIM Data for Bridge Assessment


The object of this paper will be to describe the way from Bridge-Weigh-In-Motion (BWIM) data to the assessment of bridge structures under the consideration of the real traffic loading.

It is obvious that the load assumptions are of importance. The evaluation of existing bridges regarding remaining life time is an challenging issue.

The bridge stock shows an increasing aging combined with a deterioration of the state on the one hand, and an increase of the traffic load on the other hand.

Simple recalculations can lead to sub-optimal results, which lead to cost-intensive claims, such as reconstruction of a bridge.

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