Method of constructing reinforced concrete bridges

Details Method of constructing reinforced concrete bridges Method of constructing reinforced concrete bridges

1977-12-12

1980-03-11

Perham, Alfred C.

Static structures (e.g., buildings)

Processes

Requiring soil work

52 87, 52127, 52326, 264 32, E04G 2102, E04B 132

Patent

active

041921208

ABSTRACT:
In a method of constructing a reinforced concrete bridge a supporting arch s erected which comprises a cocked center part of which forms a supporting reinforcement intended to be incorporated in the concrete of the final bridge structure. Shuttering is placed in position on the arch and the concrete poured to embody the supporting reinforcement and constitute the deck of the bridge. The resultant deck is formed by a ribbed slab, by girders connected by a slab, or by at least one box. After the concrete has hardened the remaining exterior part of the arch is removed, and if required additional reinforcement may be embodied in the concrete.

REFERENCES:
patent: 541213 (1895-06-01), Platt
patent: 591949 (1897-10-01), Cheney
patent: 762361 (1904-06-01), Strauss et al.
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patent: 1074268 (1913-09-01), Kelly et al.
patent: 1121313 (1914-12-01), Watson
patent: 1728265 (1929-09-01), Farnham et al.
patent: 2786349 (1957-03-01), Coff
patent: 2844024 (1958-07-01), McDonald
patent: 3113402 (1963-12-01), Butler
Engineering News-Record, Feb. 18, 1937, pp. 270, 271.

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