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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: Recent Developments of Special Self-Compacting Concretes
Author(s): M. Collepardi, A. Borsoi, S. Collepardi, and R. Troli
Publication: Special Publication
Appears on pages(s): 1-18
Keywords: expansive agent; high performance concrete; lightweight concrete; mass concrete; self-compacting concrete; shrinkage reducing admixture; silica fume; superplasticizer; viscosity modifying agent
Abstract:During the last decades new cementitious materials were available. These represent a technical revolution with respect to the traditional concretes. The most important innovative "High Tech" materials are Self-Compacting Concretes (SCCs). In the present paper the compositions, the performances and some practical applications of high-performance SCCs are shown. In particular, some performance improvements carried out in our laboratories are shown for these specific uses: a) SCC for a Building Engineering application (S. Peter Apostle Church in Pescara, Italy) with white concrete characterized by a marble-like skin; b) SCC in the form of high-strength concrete with compressive strength over 90 MPa devoted to a work in the field of Civil Engineering (World Trade Cen ter in San Marino); c) SCC in the form of mass concrete structure with a reduced risk of cracking in duced by thermal difference between the nucleus and the skin of the elements; d) SCC in the form of lightweight precast concrete with a density of 1750 kg/m3, 28-day compressive strength of 35 MPa, and 28-day flexural strength of 5 MPa; e) SCC in the form of a shrinkage-compensating concrete for reinforced concrete walls 8 m high and 55 m long.
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