Method of determining the length of a pile

Details Method of determining the length of a pile Method of determining the length of a pile

1997-09-09

1999-12-07

Williams, Hezron

Measuring and testing

Vibration

By mechanical waves

73597, 73628, G01M 700, G01N 330

Patent

active

059964146

ABSTRACT:
A method for determining a length of a pile which includes the steps of affixing a plurality of sound sensors in a vertical array adjacent to the pile, generating an elastic wave adjacent the pile such that the elastic wave propagates through or from the pile, radiating the elastic wave from the pile such that the sound sensors receive the radiated elastic wave, and analyzing the radiated elastic wave so as to determine the length of the pile. The elastic wave can be radiated so as to create upwardly propagating waves and downwardly propagating waves within the pile. The radiated elastic waves can also produce refracted elastic waves along a length of the pile and diffracted elastic waves at a bottom of the pile. The data from the radiated elastic waves is analyzed so as to be determinative of the length of the pile.

REFERENCES:
patent: 3641811 (1972-02-01), Gnaedinger, Jr. et al.
patent: 3946598 (1976-03-01), Towne et al.
patent: 4164149 (1979-08-01), Okubo
patent: 5444670 (1995-08-01), Douglas
patent: 5753818 (1998-05-01), Mercado
Ebrom er at., Imaging Shear-Wave diffractions from Pier Formations, Society of Exploration Geophysics Convention, p. 608, 1994.

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