On Mon, Aug 11, 2014 at 7:03 PM, Martin Koppenhoefer <dieterdre...@gmail.com > wrote:
> > > > The wiki says for viaduct > A bridge composed of a series of short spans. The spans may be arches, > girders supported by piers, etc. > > > We should remove the word "short", because this is relative and depends on > the scale and design. A famous example is in France: > > http://www.fosterandpartners.com/m/projects/millau-viaduct/images/gallery/ > > Well, dictionary.com offers "a bridge for carrying a road, railroad, etc., over a valley or the like, consisting of a number of short spans", but I agree with you in practice that the spans don't necessarily have to be short, just that there have to be a reasonable number of something. I don't think there's really a hard definition for what a viaduct is; it's a matter of having a certain gestalt. What about "A bridge composed of a series of spans, often short relative to its overall length" as a definition? Yours, -- Chris
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