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A parametric study on the vertical pullout capacity of suction caisson foundation in cohesive soil

A parametric study on the vertical pullout capacity of suction caisson foundation in cohesive soil The pullout capacity of suction caisson foundation plays a vital role in its field performance. This study presents numerical investigation on the vertical pullout capacity of suction caisson foundation in cohesive soil under both drained and undrained conditions. The influence of soil cohesion, internal friction angle and caisson aspect ratio on the ultimate vertical pullout capacity of suction caisson foundation has been investigated. It is noted that the upper limit of pullout capacity is governed by undrained condition and the lower limit by drained condition. The pullout capacity increases with increasing soil cohesion, friction angle and caisson aspect ratio when caisson diameter is kept constant, whereas it decreases with increasing caisson aspect ratio when caisson length is kept constant. Mathematical models have been developed for both drained and undrained pullout capacity. The pullout capacity values have been compared with those of available analytical and simplified relationships, and it has been found that the developed models can accurately predict the vertical pullout capacity of suction caisson foundation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Innovative Infrastructure Solutions Springer Journals

A parametric study on the vertical pullout capacity of suction caisson foundation in cohesive soil

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Publisher
Springer Journals
Copyright
Copyright © 2018 by Springer Nature Switzerland AG
Subject
Earth Sciences; Geotechnical Engineering & Applied Earth Sciences; Environmental Science and Engineering; Geoengineering, Foundations, Hydraulics
ISSN
2364-4176
eISSN
2364-4184
DOI
10.1007/s41062-018-0188-6
Publisher site
See Article on Publisher Site

Abstract

The pullout capacity of suction caisson foundation plays a vital role in its field performance. This study presents numerical investigation on the vertical pullout capacity of suction caisson foundation in cohesive soil under both drained and undrained conditions. The influence of soil cohesion, internal friction angle and caisson aspect ratio on the ultimate vertical pullout capacity of suction caisson foundation has been investigated. It is noted that the upper limit of pullout capacity is governed by undrained condition and the lower limit by drained condition. The pullout capacity increases with increasing soil cohesion, friction angle and caisson aspect ratio when caisson diameter is kept constant, whereas it decreases with increasing caisson aspect ratio when caisson length is kept constant. Mathematical models have been developed for both drained and undrained pullout capacity. The pullout capacity values have been compared with those of available analytical and simplified relationships, and it has been found that the developed models can accurately predict the vertical pullout capacity of suction caisson foundation.

Journal

Innovative Infrastructure SolutionsSpringer Journals

Published: Nov 22, 2018

References