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Wave propagation in damage assessment of ground anchors

Abstract

The inspection possibilities of ground anchors are limited to destructive test such as pull-out test. Guided wave propagation gives an opportunity to develop an inspection system dedicated to determine the condition of inspected element without violation of their integrity. In this paper the experimental study on wave propagation in laboratory models of ground anchors are presented. Experiments were conducted for different bonding lengths and different frequencies of excitation. Waves were generated by a piezoelectric actuator and the laser vibrometry technique was used to register velocity signals. For all tested anchors it was possible to identify the boundary between steel and concrete based on the registered reflections in wave propagation signals.

Citations

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Keywords

Details

Category:
Conference activity
Type:
materiały konferencyjne indeksowane w Web of Science
Published in:
Journal of Physics : Conference Series pages 1 - 9,
ISSN: 1742-6588
Title of issue:
11TH INTERNATIONAL CONFERENCE ON DAMAGE ASSESSMENT OF STRUCTURES (DAMAS 2015) strony 1 - 9
Language:
English
Publication year:
2015
Bibliographic description:
Zima B., Rucka M..: Wave propagation in damage assessment of ground anchors, W: 11TH INTERNATIONAL CONFERENCE ON DAMAGE ASSESSMENT OF STRUCTURES (DAMAS 2015), 2015, IOP Publishing Ltd,.
DOI:
Digital Object Identifier (open in new tab) 10.1088/1742-6596/628/1/012026
Verified by:
Gdańsk University of Technology

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