Probabilistic Assessment of Pile Interference
Publication: Journal of Geotechnical Engineering
Volume 119, Issue 3
Abstract
Hydraulic structures such as navigation locks and dams are commonly founded on large groups of long, closely spaced driven piles. When piles are driven, there are deviations between the theoretical ground locations and the driven locations. Also, piles may not be driven perfectly vertical or exactly at the specified batter. When these deviations occur in adverse combinations, piles can intersect and structural damage can occur. A microcomputer program named CASE‐Pile Group‐Probabilistic (CPGP) has been developed to provide a probabilistic assessment of the potential for pile interference. The program uses Monte Carlo simulation to assess the probability of pile interference for an interior pile in a group as a function of pile diameter, length, spacing, camber, batter, and probable placement and alignment errors. Given this probability and layout of the group, another routine provides an estimate of the probability distribution on the number of intersections. Chart solutions are provided for the probability of intersection for uniformly spaced vertical piles.
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Information & Authors
Information
Published In
Journal of Geotechnical Engineering
Volume 119 • Issue 3 • March 1993
Pages: 525 - 542
Copyright
Copyright © 1993 American Society of Civil Engineers.
History
Received: Nov 16, 1990
Published online: Mar 1, 1993
Published in print: Mar 1993
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