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, Division of Building Research, National Research Council Canada; Volume 379
Physical description12 p.
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
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
NRC number8002
NPARC number20331620
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Record identifier8a7fb5c8-3495-4f1d-a842-42d3f31d4cfa
Record created2012-07-18
Record modified2016-10-03
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