Bridge structure including shock transmission units

Details Bridge structure including shock transmission units Bridge structure including shock transmission units

1995-04-28

1996-09-10

Buiz, Michael Powell

Bridges

Truss

Structure

14 735, E01D 1900

Patent

active

055533426

ABSTRACT:
A bridge structure comprises at least two piers, a deck structure between each pair of adjacent piers supported to allow for relative movement longitudinally of the deck between at least one pier and the deck, a connecting bar and a shock transmission unit in series connected between each pair of adjacent piers, the bar being supported for longitudinal movement independently of the deck. This arrangement allows free relative movement due to thermal expansion, and can accommodate flexing of the deck structure due to live loads. The shock transmission unit forms a longitudinal lock along the piers in the event of a sudden shock such as an earthquake, so that all the piers are combined to resist the shock.

REFERENCES:
patent: 5215382 (1993-06-01), Kemeny

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