Effects of plugging on toe bearing capacity of open-ended piles

Conference paper
Part of the Lecture Notes in Civil Engineering book series (LNCE, volume 62)


In port structures using a pile foundation, with an enlargement of the facility and a change in the type of structure, a large bearing capacity is expected for the pile. However, an estimation of the bearing capacity of deeply embedded piles with a large diameter has complex problems such as an increased bearing capacity owing to a deep embedment, and the plugging effect is decreased when using large-diameter piles. In this study, a double-pipe model of an open-ended pile and a closed-ended pile that can be used to measure the resistance acting on each part of the pile toe, and the degree of plugging on the bearing capacity distribution of a pile toe was examined. As the results indicate, the difference in resistance acting on each part of the open-ended pile decreased with the occurrence of plugging.


open-ended piles toe bearing capacity inner friction plugging effect 


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The authors would like to express their gratitude to Mr. K. Sakimoto and Mr. H. Matsuoka.

Financial support for this research provided by the Japan Iron and Steel Federation (JISF) is gratefully acknowledged.


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© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  1. 1.Tokyo University of ScienceChibaJapan

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