System and method for pneumatic scour detection

Details System and method for pneumatic scour detection System and method for pneumatic scour detection

2008-11-25

2010-11-16

Thompson, Jewel (Department: 2855)

Measuring and testing

Vibration

By mechanical waves

Reexamination Certificate

active

07832274

ABSTRACT:
An apparatus for detecting scour conditions adjacent a pier has a pipe with a plurality of holes formed through a wall of the pipes in spaced relation to each other along a length of the pipe, a plurality of porous plugs affixed respectively in the plurality of holes, a plurality of tubes connected respectively to the plurality of porous plugs, a pump connected to the tubes for passing compressed air through the plurality of tubes to the plugs, and a monitor connected to the tubes for measuring a rate of pressure bleed-off from the plurality of tubes. The pipe extends in a vertical orientation adjacent to the bridge pier and extends into the earth adjacent the bridge pier. The plurality of porous plugs are spaced at equal intervals from each other.

REFERENCES:
patent: 3617996 (1971-11-01), Herbert
patent: 5479724 (1996-01-01), Nahajski et al.
patent: 5753818 (1998-05-01), Mercado
patent: 6909669 (2005-06-01), Yankielun et al.

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