Thorpe, William Henry · London, E. & F.N. Spon, limited; New York, Spon & Chamberlain · leaf 173
owing up the crown of the end span affected ;or, if the arches are very solid and heavy, the abutment mayshde forward at the base, with no sensible reduction of theopening. When a viaduct connects the two ends of a high embank-ment, it may happen that the end piers are not clear of theembantment… … Pig. 90. A case of abutment movement is illustrated La Fig. 90,which represents the end arch of a masonry viaduct, oneabutment of which had moved forward in the manneralready referred to. From the springing upwards the archretained its form to within a short distance of the crown,where it was…
Bridges
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