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Geogrids & reinforcement · 2026

Experimental evaluation and design framework for geocomposite-reinforced working platforms on soft subgrades

Shehan Mithila, Chaminda Gallage, Kasun Wimalasena, Ashan Pathirana

Original research · free full-paper access · authors credited

Research overview

Large-scale static plate tests on CBR 1.0% and 2.5% clay subgrades quantify the bearing response of granular working platforms with a geogrid–geotextile geocomposite and propose a thickness design chart. Reinforcement gains diminished as the capping layer became thicker; the 200 mm plate, laboratory box, static loading and tested materials bound the chart. QUT, ARC, public agencies, Global Synthetics and Polyfabrics supported the work; all authors are QUT academics.

Kontain’s reading note. Refer to the original paper for the authors’ full methods, findings and limitations.

Authors
Shehan Mithila, Chaminda Gallage, Kasun Wimalasena, Ashan Pathirana
Publication year
2026
DOI
10.1186/s40703-026-00291-7
Access
Full text at the original publisher or institutional repository.
Reuse
CC BY 4.0 ↗

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Topics in this paper

working platformsoft subgradegeocompositebearing capacitydesign chart

Apply the evidence to your project

Materials, test conditions, exposure and loading matter. Research findings need project-specific assessment before use as design inputs.

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