An experimental investigation on the properties and performance of geogrid and geocomposite as subgrade reinforcement in granular pavements

Barnes, Glen James (2019) An experimental investigation on the properties and performance of geogrid and geocomposite as subgrade reinforcement in granular pavements. Master of Philosophy thesis, Queensland University of Technology.

Description

This experimental study focuses on developing a new laboratory testing model that expedites the performance verification process for future geosynthetic products, for use in foundation stabilisation. Through a series of tensile and pullout tests on geosynthetic and CBR tests on geosynthetic reinforced subgrade using a bespoke CBR mould, this research highlights the benefits of including geosynthetics in granular pavement design. Further research will allow future road pavement designs in Australia to include geosynthetics as part of design specifications and reduce the environmental impact of pavement construction by minimising the required subbase layer thickness without compromising on foundation strength.

Impact and interest:

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ID Code: 129219
Item Type: QUT Thesis (Master of Philosophy)
Supervisor: Gallage, Chaminda & Rajapakse, Jay
Keywords: geogrid, geocomposite, CBR, clay soil, tensile, pullout, interface, subgrade, subbase, foundation
DOI: 10.5204/thesis.eprints.129219
Divisions: Past > QUT Faculties & Divisions > Science & Engineering Faculty
Institution: Queensland University of Technology
Deposited On: 14 Jun 2019 02:09
Last Modified: 18 Jun 2019 02:37