TECHNICAL PAPERS
Jun 1, 1983
Number of Tests Versus Design Pile Capacity
Authors: Leslie G. Jaeger and Baidar BakhtAuthor Affiliations
Publication: Journal of Geotechnical Engineering
Volume 109, Issue 6
Abstract
According to current practice, the average tested capacity of single piles is multiplied by a predefined traction in order to obtain the design capacity of a single pile. This fraction remains constant regardless of the number of piles tested. In this paper a simple procedure is developed whereby advantage can be taken of the increased reliability of the data that follows from the increased number of piles tested. It is shown that for the same reliability, increasing the number of tests can substantially increase the fraction by which the average of test results is multiplied in order to obtain the design value. The increase is significant even if the number of tests increases only from one to two. A simple procedure is also developed for taking into account the number of samples tested in determining representative strength of a material in an installation.
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References
1.
Canadian Foundation Engineering Manual, Part 3, Deep Foundations, Canadian Geotechnical Society, Montreal, Canada, 1979.
2.
Little, A. L., Foundations, Edward Arnold (Publishers) Ltd., London, England, 1961.
3.
“Ontario Highway Bridge Design Code,” draft for 2nd ed., Ontario Ministry of Transportation and Communications, Downsview, Ontario, Canada, Dec., 1981.
Information & Authors
Information
Published In
Journal of Geotechnical Engineering
Volume 109 • Issue 6 • June 1983
Pages: 821 - 831
Copyright
Copyright © 1983 ASCE.
History
Published online: Jun 1, 1983
Published in print: Jun 1983
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Authors
Affiliations
Leslie G. Jaeger
Prof. of Engrg. and Special Asst. to the President, Technical Univ. of Nova Scotia, Halifax, Nova Scotia, Canada
Baidar Bakht
Principal Research Officer, Research and Development Branch, Ontario Ministry of Transportation and Communications, Downsview, Ontario, Canada
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
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