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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: SCC and conventional concrete on site: Property assessment
Author(s): S. NUNES, H. FIGUEIRAS, J. SOUSA COUTINHO, J. FIGUEIRAS
Appears on pages(s): 25-36
Keywords: Self-compacting concrete (SCC); conventional concrete; precast industry; mechanical properties; durability.
Abstract:The present paper deals with comparing properties of hardened SCC cast during full-scale tests in a precast factory and similar conventional concrete currently used in the same factory. The main goal was to evaluate viability of replacing the C45/55 conventional concrete, in use at the precast factory, by a SCC of the same class of resistance and maintaining the constituent materials. A wide number of specimens (cubes, cylinders, prisms) and full size precast elements were cast with both SCC and conventional vibrated concrete to enable comparing different properties of both types of hardened concrete. In order to implement SCC in this precast factory, suitability of actual current processes involved in production, mixing, transport and placing had to be evaluated. SCC exhibited improved mechanical behavior, higher resistance to fluid ingress and a more uniform strength along the full-size element due to a combination of proper mix-design together with controlled mixing and placing on site.
Brazilian Institute of concrete, International Partner Access.
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