ULTRASONIC PULSE ATTENUATION AS A MEASURE OF DAMAGE GROWTH DURING CYCLIC LOADING OF CONCRETE.

Wimal Suaris, Viraj Fernando

Research output: Contribution to journalArticlepeer-review

66 Scopus citations

Abstract

The paper presents experimental results of damage growth during cyclic loading of concrete. The damage growth is inferred from the reduction in amplitude of ultrasonic waveforms transmitted through the specimen during the test. The amplitude of the waveform, by virtue of its higher sensitivity to the extent of cracking, is found to be a better indicator of crack growth than the more often used pulse-velocity technique. A continuous recording of pulse transmission throughout the tests is obtained by using a pulse generator, a digital oscilloscope, and a microcomputer. The damage accumulation during cyclic loading is inferred from the attenuation results is presented for several mix proportions.

Original languageEnglish (US)
Pages (from-to)185-193
Number of pages9
JournalACI Materials Journal
Volume84
Issue number3
StatePublished - May 1 1987
Externally publishedYes

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Materials Science(all)

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