under heavy loading can be effectively addressed through confinement and load redistribution rather than increased material mass. From an environmental perspective, the optimized configuration reduced greenhouse gas emissions from 1,288.8 tCO₂-eq to 893.0 tCO₂-eq for the evaluated 1,000 m segment, corresponding to a 30.7% reduction. This decrease was primarily driven by lower aggregate demand and reduced hauling requirements. Implementation was carried out using earthmoving equipment already available at the mine, without the need for specialized paving machinery. Installation of geosynthetics and granular layers achieved production rates exceeding 2,000 m² per working day, demonstrating compatibility with production-driven construction environments. The ability to deploy the solution without disrupting mining schedules reinforces its scalability in active operations. For large-scale mining environments, where haul roads represent high-volume and performance-critical infrastructure, structural optimization through mechanical stabilization offers a practical pathway to improve reliability, reduce material intensity, and lower the carbon footprint of mineral transport systems. REFERENCES Giroud, J. P. and Han, J. (2004). Design Method for Geogrid-Reinforced Unpaved Roads”. Part I. Development of Design Method. Technical Paper ASCE. Giroud, J. P. and Han, J. (2004). Design Method for Geogrid-Reinforced Unpaved Roads”. Part II. Development of Design Method. Technical Paper ASCE. Mary Adolf, P.E. (2010). Pavement - Transportation Computer Assisted Structural Engineering - PCASE2.09. User Manual. US Army Corps of Engineers. Oliveira, E. P. V. et. Al. (2024). Performance analysis of the application of multidirectional rigid geogrids for haul road truck access Stucki1 M., Büsser1 S., Itten1 R., Frischknecht1 R., Wallbaum H. (2011) Comparative Life Cycle Assessment of Geosynthetics versus Conventional Construction Materials, European Association for Geosynthetics Manufacturers, EAGM Steering Group, 1-106, Uster, Germany. Touze N. (2022) The role of geosynthetics in sustainable development and the circular economy, 32 Convegno Nazionale Geosintetici, 1-17, Bologna, Italy. Yoshida, M. C.et. al. (2020). Base reinforcement for haul roads through the addition of polyethylene multidirectional rigid geogrids, for a mine in Minas Gerais, Brazil.
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