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 CONCRETE PRODUCTS / CAST STONE

Materials, production, application

Durability of surface enhanced concrete products in GCC countries

Concrete paving can be designed and produced to meet a vast range of performance requirements concerning longlasting mechanical and aesthetic properties. The durability of concrete paving depends to a large extent on its resistance against abrasion, corner spalling and salt scaling. From an architectural point of view, a durable surface finish with consistently high quality needs to be provided, which requires minimizing colour changes and preventing efflorescence on the surface of concrete pavers. In light of these requirements, the durability of concrete products can be enhanced through an optimization of constituent materials, concrete mix design, manufacturing technology and surface treatments. Suitable approaches and technologies are discussed, with particular emphasis on the environmental exposure conditions experienced in the Arabian Gulf region.