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Abstract

Digital non-destructive testing techniques available in both the time and frequency domains<br>are outlined: including digital sonic echo testing, digital sonic frequency domain testing<br>and digital time domain radar testing. The new non-destructive evaluation techniques are<br>described in relation to applications to concrete foundation piles and masonry bridges. A<br>comparison of the techniques with those applied to concrete structures is made.<br>Case studies are used to illustrate that the techniques of digital sonic impulse hammer<br>testing and digital impulse radar testing are complementary in nature and can be used to<br>cost effectively identify the geometries of piles and masonry bridges in addition to fault<br>detection and location.

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/content/papers/10.3997/2214-4609-pdb.208.1994_021
1994-03-27
2022-11-30
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609-pdb.208.1994_021
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