Valorization of aluminothermite welding slag in sustainable high-performance heavyweight concrete: mechanical and radiation-shielding performance

Key Points

• Heavyweight concrete exhibits enhanced mechanical performance and radiation shielding when incorporating aluminothermite welding slag, promoting better safety standards.
• The study found a significant increase in compressive strength and radiation absorption capacity with a specific percentage of slag usage.
• Assessment using various mechanical tests and radiation exposure evaluations highlights the innovative use of industrial waste in construction materials.
• Findings support the sustainable repurposing of waste materials, suggesting more environmentally friendly construction practices are achievable.