London : Longman, Rees, Orme, Brown, Green, and Longman · leaf 79
he onebeing three fourths of the span, the other one sixth. Waterloo Bridge. — This masterpiece of bridges, the work ofMr. Rennie, was finished and opened in the year 1817. It con-sists of nine cycloidal arches, each of 120 ft. span, with a hori-zontal roadway. Fig. 13. exhibits one arch and two… … which is one sixth of the span of the arch. Tlie width of thepiers is from 46 ft. to 50 ft., and their height is assumed to be25 ft. The model employed for experiment was on the scaleof 1 in. to 5 ft.; and, being 4 in. wide, it equalled two fifths ofthe width of the bridjje. The model arch, when…
Architecture
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