The Availability of Concrete for Bridges: Its Cost and Durability
Henry H. Quimby, M. Am. Soc. C. E.
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Concrete-either plain or reinforced-as a material for bridge construction possesses the merit of being adaptable as a subsititute, within limits, for both stone masonry and steel framework, and of combining the qualities of both. It is equal to and may be more economical than stone masonry for adutments, piers, retaining walls, coping, and parapets, and in many cases makes an arch available with its manifold advantages where a stone or brick arch would be impracticable.