ed to the tops of thefloor joists. They support a layerof concrete that is 2 l/2 inchesthi ck at the crown of the buckleplates. A pavement of asphalt 1 l/2 inches thick completes thebridge floor ( seo Engineering Record Nov. 11, 1899), The bridge floor shown inPig, 59 consists of concrete… … Pig. 59 35 IT Pig. 60 a brick pavement laid on top. This form of floor cost less thanone-half as much as the buckle-plate f loor ( see Engineer ing NewsMar. 10, 1898). Pig. 60 shows a bridge floorused on the Eiglith Street bridge ofAllentown, Penns^z-lvania. Sheetiron, bent in the form shown,…
Bridges · Theses
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
![An illustration from The gentlemens or builders companion : containing variety of usefull designs for doors, gateways, peers, pavilions, temples, chimney-pieces, slab tables, pier glasses, or tabernacle frames, ceiling peices [sic] &c. (1739)](https://img.insideoutlibrary.com/img/200/ia-gentlemensorbuil00jone-50-32.webp)
