Concrete deck and beam seismic retrofit system

Details Concrete deck and beam seismic retrofit system Concrete deck and beam seismic retrofit system

1999-02-05

2000-09-19

Friedman, Carl D.

Static structures (e.g., buildings)

Means compensating earth-transmitted force

52251, 52252, 52250, 527411, E04B 104

Patent

active

061194131

ABSTRACT:
A method of seismically strengthening a structure having a concrete beam mechanically coupled to a concrete deck. The method comprises forming a continuous, substantially linear bore through the deck and the beam and then attaching the deck to the beam via a threaded fastener. The deck and the beam are compressed between an enlarged head and a nut of the threaded fastener. Additionally, the method comprises placing a fireproof cap on an end of the threaded fastener protruding from the nut.

REFERENCES:
patent: 1664827 (1928-04-01), Nicholay
patent: 3585771 (1971-06-01), Pinniger
patent: 3782061 (1974-01-01), Minutoli et al.
patent: 4282692 (1981-08-01), Potthast
patent: 4726163 (1988-02-01), Jacobs
patent: 4787793 (1988-11-01), Harris
patent: 5123220 (1992-06-01), Simenoff
patent: 5386675 (1995-02-01), Baur et al.

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