Researchers from the University of Cagliari and Politecnico di Milano have developed a new generation of steel-concrete composite slabs made with recycled aggregates from demolition waste. The SARCOS project, funded under the Italian Ministry of University and Research PRIN2022 program, aims to reduce the environmental impact of construction through more sustainable composite materials.
The research team carried out structural tests on full-scale prototypes using high percentages of recycled concrete, achieving performances equivalent and in some cases superior to conventional solutions. According to the scientists, the use of demolition-derived materials does not compromise the mechanical behavior of the composite structures.
The study confirms the growing focus of Italian universities on composite technologies supporting circular economy principles and lower emissions in the construction industry. The final goal is to encourage industrial adoption of high-performance, low-impact structural solutions.
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15 May 2026
