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FAIRS & EVENTS214 CPI %u2013 Concrete Plant International %u2013 5 | 2025 www.cpi-worldwide.comThis edition, marking the 10th anniversary of Expertise & Construction Day, aimed to thank all those who have contributed to the success and development of this event and to look ahead together to the prospects for the next decade. Focusing on the theme %u2018Building tomorrow through responsible and societal innovation%u2019, it brought together 500 players from the construction industry, who came to discover a rich programme of conferences, interactive workshops, demonstrations, visits and exhibitions, with a showroom showcasing innovations in the precast concrete industry.Four outstanding projects from the last 10 yearsFour pairs of experts took turns recounting a decade of expertise and construction around four landmark projects that demonstrate how profoundly the concrete industry is changing:ACT technology, a high-performance solution for decarbonising concrete structures, at the heart of a successful collaboration between Ecocem and Cerib. This project focused on the study of the new ACT1 binding agent applied to precast concrete elements. The focus of the work and its results highlight the performance of this decarbonation solution made available to manufacturers.Mixing wood and concrete: the progress made over the last 10 years and the outlook for the future. Cerib and the companies Terrel and Arbonis Vinci discussed the development of innovative construction systems incorporating bio-sourced materials and enabling wood, concrete and bio-sourced insulation materials to work together in a complementary way, while reducing the carbon impact of projects.Tunnel: from shadow to light. When completed, the Grand Paris Express will have seen the deployment of more than Building for tomorrow through responsible and societal innovationA look back at the 10th edition of Expertise & Construction Day at CeribImpressions of the Expertise & Construction Day 2025 in %u00c9pernon.