Types and details of bridge construction by Skinner Frank W. (Frank Woodward) 1858-1932

Types and details of bridge construction by Skinner Frank W. (Frank Woodward) 1858-1932

Author:Skinner, Frank W. (Frank Woodward), 1858-1932
Language: eng
Format: epub, pdf
Tags: Bridges
Publisher: New York, McGraw
Published: 1904-03-25T05:00:00+00:00


BRIDGE CONSTRUCTION

expansion ends supported on cast iron shoes and roller pedestals which are connected together by transverse horizontal steel keys. These are of unusual design resembling those sometimes used abroad, and have U-shape cross-sections, with a flat bottom surface, and vertical sides fitting tightly in a rectangular groove in

45'Toyver Gird&r. 'A\^ ■- — 75'Connecting Span.

Clearance.

Cast Sts&l Beann

Boone Viaduct, C. & N. W. Ry.

the upper part of the pedestal. The convex upper side of the key engages a circular half-hole bearing in the shoe, and forms a pivot on which the girder can deflect without producing eccentric loading on the abutment or pier seat.

CJiicago Great Western Railway. — Plate girders on the Chicago Great Western Railway have sole plates riveted to their



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