Patent Number: 6,170,334

Title: Continuous monitoring of reinforcements in structures

Abstract: Method and apparatus for detecting failure of tensioned reinforcements in a structure by means of a plurality of acoustic or seismic detectors disposed about the structure in a known arrangement, processing signals from the detectors to determine frequency contents and origins, and identifying simultaneous signals as due to the failure of tensioned reinforcements in the structure when they meet spectral and origin criteria.

Inventors: Paulson; Peter O. (Calgary, CA)

Assignee: Pure Technologies, Ltd.

International Classification: E04C 5/00 (20060101); E04C 5/08 (20060101); G01N 29/44 (20060101); G01N 29/46 (20060101); G01N 29/36 (20060101); G01N 29/38 (20060101); G01N 29/14 (20060101); G01H 1/00 (20060101); G01V 1/00 (20060101); G01N 029/14 ()

Expiration Date: 01/09/2018