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4. Cornices
Cornices are elements fitted to the side edges of a bridge, whose main role is to enhance the aesthetics of the structure:
by playing with effects of shape, proportion and color;
keeping water away from vertical facings;
and compensating for structural irregularities.
In recent years, the role of the cornice has shifted sharply towards that of a decorative element, while all other functions (e.g. dripstones, guardrail fastenings, etc.) have been taken over by other constructive arrangements (figure 12 ).
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Bibliography
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Websites
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AFGC (French Civil Engineering Association)
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AFNOR (French Standards Association)
http://www.afnor.org/datacons/normalisation_actualite/eurocodes/eurocode1.html
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Standards and norms
Bridge design and dimensioning are governed by French standards transposing European standards (Eurocodes), and may be supplemented by national standards. In seismic zones, the requirements of current national regulations must be taken into account.
The following tables (from 1...
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