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Radford's cyclopedia of construction; carpentry, building and architecture. Based on the practical experience of a large staff of experts in actual constrcution work (1909)

Johnson, Alfred Sidney, 1860-, Radford, William A., 1865- · Chicago Radford Architectural Co · leaf 112

An illustration from Radford's cyclopedia of construction; carpentry, building and architecture. Based on the practical experience of a large staff of experts in actual constrcution work, 1909, leaf 112
hway arch CEMENT CONSTRUCTION 81 bridges are usually low and flat, and vary inspan length from 20 to 100 feet. The ordinarytype consists of an arch-barrel and spandrelwalls, with an earth filling between the walls.Ornamental concrete parapets are often used,although ordinary gaspipe railing is very… … Fig. 37. Cross-Section of Yorktown Bridge Shown in Plate 3 (A). Fig. 37 gives a cross-section of the same arch.This bridge was built in 1904, at Yorktown, In-diana. It has a sxDan of 95 ft.; a rise of 11 ft.1 in.; a height of opening of 15 ft. 7 in., andcrown thickness of 26 inches. The roadway…

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