Obtaining hot bituminous concrete with waste polyurethane foam for use in civil engineering for making roads, involves using mixture of bitumen and tar with recycled rigid polyurethane foam, where mixture is triturated to obtain product

Abstract

Hot bituminous concrete obtaining involves using mixture of bitumen and tar with recycled rigid polyurethane foam, where the mixture is triturated to obtain product with a specified particle size. Recycled polyurethane foam is crushed to obtain particle with diameter of 0.2-0.8mm. The crushed product is preheated at 1600 degrees C and compacted, and then mixed with bitumen. The mixture is compacted and cooled at room temperature to obtain hard product. USE - Method for obtaining hot bitumen concrete with waste polyurethane foam for use in civil engineering for making pavement and roads (all claimed). ADVANTAGE - The hot bituminous concrete obtaining method enables to reutilize synthetic material in eco-friendly way.