Comparison of Some NDT Methods for Determining Concrete Properties

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TypeTechnical Report
Series titleInternal Report, Institute for Research in Construction, National Research Council Canada; Issue 720
Physical description30 p.
AbstractThe development of non-destructive (NDT) test methods has made great strides in the last decade. Instruments have been developed that are user-friendly and new techniques have evolved to a point where repeatable results can be expected. Numerous text books and articles describe the various methods and their applications. When these methods are applied to measure the properties of concrete, however,consistency of results and repeatability has not always been satisfactory. In particular, systematic comparisons among different methods have not been extensive. The purpose of this series of tests is to compare the test results among four different methods, each based on wave propagation principles through solids. These methods are the ultrasonic-pulse-velocity (UPV) method, the impact-echo (IE) method,the impulse-response (IR) method, and the Spectrum Analysis of Surface Waves (SASW) method. While each of these methods has it advantages and limitations, enough common characteristics are embodied in each so that some meaningful comparisons of results should be possible.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
NRC number7142
NPARC number20337917
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Record identifier335587d2-38d2-47a9-8f81-7e4ecabde178
Record created2012-07-19
Record modified2016-10-03
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