Pile aging in cohesive soils

Doherty, Paul; Gavin, K. G.

Pile aging in cohesive soils

Journal article (2013)

Authors

Paul Doherty University College Dublin

K. G. Gavin University College Dublin

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Aging Pile capacity Setup Time effects

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Published Date

2013

Language

English

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Abstract

This paper presents the results of a field investigation into pile aging in soft clay that was conducted over a period of 10 years. Static load tests were conducted after the excess pore pressure generated by the installation of 6-m-long, driven concrete piles were fully equalized. These tests allowed the time-capacity aging profile to be established. Anormalized capacity-time trend established for the case history is seen to be consistent with the response observed from a wider database of pile tests in clay compiled from the literature. A simple reliability-based design example is provided to highlight the positive impact that pile aging could have for industrial practice.

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