Forensic evaluation of gabion walls

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Publication Title
Forensic evaluation of gabion walls

Abstract
The effective design, specification and construction of geotechnical assets or Special Geotechnical Measures (SGMs) is critical to the efficient operation of the National Highways Strategic Road Network (SRN) in England. Given the required performance of the SRN in terms of resilience, reliability, redundancy and recovery it is essential that SGMs are themselves reliable in terms of performance and life; resilient to external conditions such as earthworks deterioration and extraordinary conditions (e.g. climate change). Around 100 different types of SGMs are used on the SRN and the early installations of some SGMs are approaching the end of their design life and the design, specification and application of many of these techniques is based on limited studies. A series of forensic examinations of gabion walls in various settings on the SRN was undertaken and the results used to develop advice on the design, construction, inspection, maintenance and decommissioning of such structures and to make a series of recommendations on their future use. Principle amongst these is that the evidence suggests that when properly designed, specified, constructed and maintained, including an appropriate inspection regime, Gabion Walls can meet the required design life of such SGMs.
Authors
Michelle Duffy-Turner; Ian M. Nettleton; Mike G. Winter; Philip Liew

Published In

18th European Conference on Soil Mechanics and Geotechnical Engineering (ECSMGE2024)

Theme

D - Current and new construction methods

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