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High-Performance Self-CompactingConcrete for precast concrete products

Deformation and durability characteristics of concrete


High-Performance Self-Compacting Concrete (HP SCC) has many advantages in terms of casting, noise reduction, and aesthetics of concrete faces. HP SCC is used to manufacture reinforced or prestressed concrete products like beams (Figure 1), thin plates (Figure 2), columns, etc. For prestressed products, the knowledge of the short-term and long-term performances in terms of Young’s modulus, creep, and shrinkage is of great importance. The paste content of HP SCC usually varies from 35% to 45% by volume, whereas it is generally less than 35% for conventional vibrated concrete. To increase the potential of HP SCC in an industrial process, the specific features of HP SCC must be properly understood. Self compacting concretes with compressive strengths of between 40 and 110 MPa have been designed for this study. The aim is to obtain a better understanding regarding to the mechanical and physico- chemical behaviour of HP SCC. The influences of the main parameters (paste volume, compressive strength, types of addition) on creep and shrinkage were quantified..

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CPi worldwide journals are trade journals for the concrete and precast concrete industry that are published in 10 different language editions in more than 170 countries. These trade journals, with their practical editorial reporting on research, production and applications, are specifically addressing the decision makers of the concrete and precast concrete industry.

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