Measuring and testing – Vibration – By mechanical waves
Patent
1996-06-18
1998-05-19
Chilcot, Richard
Measuring and testing
Vibration
By mechanical waves
73597, 73628, G01M 700, G01N 330
Patent
active
057538182
ABSTRACT:
A method and apparatus for measuring bottom scour adjacent a foundation structure extending into the bottom of a stream of flowing water is disclosed. An elastic wave source is used for transmitting elastic waves through the water, the scour zone, and the bottom adjacent the foundation structure. The elastic waves are transmitted directly to an array of receivers and indirectly through the foundation structure to produce refracted signals that also travel to the receivers. The array of receivers are adapted for substantially vertical positioning such that a portion of the receivers will sense elastic waves that travel through the water above the scour, a portion will sense elastic waves that travel through the scour, and a portion will sense elastic waves that travel through the bottom adjacent the structure. Means are utilized for recording the time required for the elastic waves to reach each receiver to measure the depth of scour next to the foundation structure. The soil profile is deduced by using the known velocities of elastic waves in concrete, water, mud slurries, and soil, as appropriate to determine the amount of scour around the foundation structure.
REFERENCES:
patent: 3617996 (1971-11-01), Herbert
patent: 3641811 (1972-02-01), Gnaedinger, Jr. et al.
patent: 3690155 (1972-09-01), Eichler
patent: 4380930 (1983-04-01), Podhrasky et al.
patent: 4736630 (1988-04-01), Takahashi et al.
patent: 5297109 (1994-03-01), Barksdale, Jr. et al.
Chilcot Richard
Noori Max H.
North American Geotechnical Company
LandOfFree
Method and apparatus for measuring scour around bridge foundatio does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for measuring scour around bridge foundatio, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for measuring scour around bridge foundatio will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1854452