Sustainable Soil-Structure Interaction for Road Infrastructure in Flood-Prone Regions of Nigeria
DOI:
https://doi.org/10.70112/tarce-2025.14.1.4254Keywords:
Soil-Structure Interaction (SSI), Flood Resilience, Innovative Materials, Nature-Based Solutions, Climate-Adaptive StrategiesAbstract
This research applies sustainable soil-structure interaction (SSI) principles to enhance the resilience of Nigerian road infrastructure to floods in certain regions. Given the socio-economic importance of road networks, the study highlights the challenges posed by extreme weather events, soil instability, hydrological stress, and design deficiencies. By focusing on the use of innovative materials, including recycled low-density polyethylene (LDPE) and bioengineered additives that improve tensile strength and moisture resistance, the research acknowledges that these challenges cannot be addressed without incorporating these materials. The study also explores nature-based solutions, such as permeable pavements and raised embankments, to mitigate waterlogging and erosion. The review synthesizes global and local research by identifying key mechanisms contributing to infrastructure failure, including subgrade erosion in sandy soils and foundation destabilization in clay-rich regions due to moisture fluctuations. It emphasizes the importance of advanced geospatial methods, climate-adaptive strategies, and multidisciplinary approaches for assessing and managing flood risks. Transferable practices from other flood-prone regions, such as the use of salinity-resistant materials and GIS-based risk modeling, are highlighted, along with the need for local adaptation to Nigeria’s specific geographic and socio-economic context. The review advocates for a paradigm shift in policy and practice through sustainable road design that integrates ecological, economic, and technological considerations. The study aims to bridge advancements in theory with practical applications, contributing to the development of a resilient road network that will support economic growth and mitigate the impact of climate-induced disasters in Nigeria.
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