Performance of Battered Driven Minipile Groups under Uplift Loading in Sand

A Mehdizadeh; S Mondal; MM Disfani

Journal article

Performance of Battered Driven Minipile Groups under Uplift Loading in Sand

A Mehdizadeh, S Mondal, MM Disfani

International Journal of Geomechanics | American Society of Civil Engineers | Published : 2023

DOI: 10.1061/IJGNAI.GMENG-7668

Abstract

The performance of a new battered driven minipile group system under uplift loading in a noncohesive material was investigated by field testing and physical and three-dimensional (3D) numerical modeling. A series of uplift tests were conducted on footings with four and six minipiles and on a single minipile for comparison at field and laboratory scales to assess the impact of system efficiency and installation angle, and minipile configuration. A 3D numerical model was also developed and validated based on the field results for further investigation. The results indicate that a group of minipiles carry higher loads, compared with the same number of single minipiles. This is attributed to the..

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University of Melbourne Researchers

Amirhassan Mehdizadeh Author

Sanchari Mondal Author

Mahdi Miri Disfani Author

Related Projects (1)

Braced batter micropile group: new design theory and performance framework

Braced batter micropile group: New design theory and performance framework. This project aims to research the design and performance of inno..

Grants

Awarded by Australian Research Council

Funding Acknowledgements

This research was funded by the Australian Research Council Linkage scheme (project ID LP160100828). In addition, the authors acknowledge the financial and in-kind support provided by Surefoot Pandoe Pty Ltd. Also Philip Tsang, PhD candidate at The University of Melbourne, is acknowledged for his contribution to this research. The second author thanks The University of Melbourne for a Melbourne Research Scholarship.