Protecting EPS geofoam block with EIA geomembranes FIGURE 7 Completion of roadway prior to asphalt Case studies showcasing successful projects, the encountered challenges, implemented innovative solutions and learned lessons can provide a comprehensive perspective on the efficacy of these materials in different construction scenarios. As the construction industry continues to evolve, ongoing research and development efforts are focused on enhancing the properties and applications of EPS geofoam and reinforced EIA geomembranes. Emerging technologies such as additive manufacturing and nanotechnology hold promise for creating more robust and sustainable materials for geotechnical and civil engineering projects. 28 Geosynthetics | Summer 2024 Collaborative initiatives among industry experts, researchers and policymakers are essential to advancing the field and addressing evolving challenges. EPS geofoam is a versatile material that offers numerous benefits in construction projects, but its vulnerability to hydrocarbons necessitates protective measures. By utilizing reinforced EIA geomembranes as barriers, the damaging effects of hydrocarbons can be mitigated, ensuring the long-term performance and durability of structures built with EPS geofoam. The combination of EPS geofoam and reinforced EIA geomembranes presents a reliable solution for engineers