Dynamic testing of cast-in-place piles

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DOIResolve DOI: http://doi.org/10.4224/20331620
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TypeTechnical Report
Series titleInternal Report (National Research Council Canada. Division of Building Research); no. DBR-IR-379
Physical description12 p.
SubjectVibrations
AbstractThis report presents the results of dynamic testing of two 21-in. (20-in. nominal) diameter Franki piles 44 and 55.5 ft long measured to the top of the bulb. The longer pile had a built-in fault, which was a reduction of the cross-sectional area by 50 per cent over a 2-ft length, the middle of which was located approximately 15 ft above the bulb. A central axial impact was imparted to the piles, as described in Report No. 376, from a 108-lb mass falling freely through 2 ft. Comparison of the response of the two piles provides a basis for judging the sensitivity of this method of detecting faulty piles.
Publication date
PublisherNational Research Council Canada. Division of Building Research
LanguageEnglish
AffiliationNational Research Council Canada
Peer reviewedNo
NRC numberNRC-IRC-8002
NPARC number20331620
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Record identifier8a7fb5c8-3495-4f1d-a842-42d3f31d4cfa
Record created2012-07-18
Record modified2017-06-29
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