[Article] Performance-efficient compressed earth blocks from industrial and agro-industrial by-products

The future of sustainable construction may not be high-tech !

It may be a high-intelligence earth. In our review published in @Renewable and Sustainable Energy Reviews, we provide one of the most comprehensive roadmaps to date for developing performance-efficient compressed earth blocks (CEBs) using industrial and agro-industrial by-products.

🌍 Why this matters:The construction sector contributes 38% of global CO₂ emissions, with 16% from embodied carbon alone. Reducing emissions requires more than energy efficiency. It requires material transformation.

🧱 What this paper does differently:

✔ Identifies optimal stabilizers, including lime, cement, fly ash, geopolymers, calcium carbide residue, and recycled aggregates.✔ Evaluates natural fiber reinforcements such as coconut, kenaf, jute, bamboo, and sugarcane bagasse.✔ Critically assesses mechanical, thermal, durability, and microstructural performance.✔ Reviews global standards and compressive strength requirements.✔ Establishes a baseline for transitioning toward performance-efficient low-carbon earth construction.

Key finding:

Performance does not increase linearly with stabilizer content. There is an optimal dosage where strength, durability, and thermal behavior are maximized without increasing cost or carbon impact.

This shifts the narrative: Earth is no longer “low-tech.”It becomes engineered, optimized, and validated against international standards.

👏 Full author team: Marian Valenzuela, Gustavo ciudad, Juan Pablo Cárdenas, Carlos MEDINA, Alexis Salas, Angelo Onorati, Gonzalo Pincheira Orellana, Shady Attia 阿提亚 沙帝, Víctor Tuninetti

Institutions: Universidad de La Frontera, Universidad de Concepción, Universidad del Bío Bío, University of Talca, Linares Campus, University of Liège.

If 40% of the world already lives in earthen housing, imagine what optimized, performance-engineered CEBs could mean for climate adaptation, affordability, and circular economy transitions.

Are we ready to rethink structural material hierarchies?

📘 Full article: https://lnkd.in/dprktC2d

📚 Learn more about our research: https://lnkd.in/dyQhjEUi

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