Abstract
Increased productivity and improved
working environment have had high priority in
the development of concrete construction over
the last decade. Development of a material not
needing vibration for compaction—i.e. selfcompacting
concrete (SCC)—has successfully
met the challenge and is now increasingly being
used in routine practice. The key to the
improvement of fresh concrete performance has
been nanoscale tailoring of molecules for surface
active admixtures, as well as improved
understanding of particle packing and of the
role of mineral surfaces in cementitious matrixes.
Fundamental studies of rheological
behaviour of cementitious particle suspensions
were soon expanded to extensive innovation
programmes incorporating applied research, site
experiments, instrumented full scale applications supporting technology, standards and
guides, information efforts as well as training
programmes. The major impact of the introduction
of SCC is connected to the production
process. The choice and handling of constituents
are modified as well as mix design, batching,
mixing and transporting. The productivity is
drastically improved through elimination of
vibration compaction and process reorganisation.
The working environment is significantly
enhanced through avoidance of vibration induced
damages, reduced noise and improved
safety. Additionally, the technology is improving
performance in terms of hardened material
properties like surface quality, strength and
durability.
Original language | English |
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Pages (from-to) | 937-954 |
Number of pages | 18 |
Journal | Materials & Structures |
Volume | 39, No. 10 |
Issue number | 294 |
Publication status | Published - Dec 2006 |
Bibliographical note
Unrecognised author: 'el al.'ASJC Scopus subject areas
- Building and Construction
- Civil and Structural Engineering
- Materials Science(all)