Bridge reinforcements

Details Bridge reinforcements Bridge reinforcements

1978-02-22

1979-03-13

Byers, Jr., Nile C.

Bridges

Truss

Arrangement

14 17, 52640, E01D 900

Patent

active

041434390

ABSTRACT:
This invention provides an improved reinforcement for a bridge span, the reinforcement including a reinforcing member for attachment in an underslung position to the span, a reinforcing strut adapted at its first end for pivotal connection to a point intermediate the ends of the reinforcing member and jacking means for urging the reinforcing strut into its working position in which the reinforcing member is under tension. The improvement resides in that the jacking means is adapted to be mounted upon the bridge span and, in use, exerts a force transverse to the longitudinal axis of the strut to urge it into said working position in which the strut is, at its point of connection to the member, inclined at acute angles to the member.

REFERENCES:
patent: 530425 (1894-12-01), Keating
patent: 1467662 (1923-09-01), Aalst
patent: 1813338 (1931-07-01), Botel
patent: 2793720 (1957-05-01), Hawes
patent: 2856644 (1958-10-01), Dunham
patent: 3362117 (1968-01-01), Van Raden
patent: 4021875 (1977-05-01), Abell

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