Salvuccio consolidating, con·sol·i·date
In notepub online dating terms, when poured, SCC is an extremely fluid mix with the following distinctive practical features — it flows very easily within and around the formworkcan flow through obstructions and around corners "passing ability"is close to self-levelling salvuccio consolidating not actually self-levellingdoes not require vibration or tamping after pouring, and follows the shape and surface texture of a mold or form very closely once set.
Unsourced material may be challenged and removed. Such high-performance concrete had been used mostly in repair applications and for casting concrete in restricted areas.
The relatively high cost of material used in such concrete continues to hinder its widespread use in various segments of the construction industryincluding commercial construction, however the productivity economics take over in achieving favorable performance benefits and works out to be economical in pre-cast industry.
This kind of air content unlike that in aerated concrete is not desired and weakens the concrete if left. SCC was conceptualized in by Prof. SCC does not use a high proportion of water to become fluid — in fact SCC may contain less water than standard concretes.
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However it is laborious and takes time to remove by vibration, and improper or inadequate vibration can lead to undetected problems later. Please help improve this article by adding citations to reliable sources.
The incorporation of powder, including supplementary cementitious materials and filler, can increase the volume of the paste, hence enhancing deformability, and can also increase the cohesiveness of the paste and stability of the concrete.
The reduction in free water can reduce the concentration of viscosity-enhancing admixture VEA necessary to ensure proper stability during casting and thereafter until the onset of hardening.
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Self-consolidating concrete is designed to avoid this problem, and not require compaction, therefore reducing labor, time, and a possible source of technical and quality control issues. The first generation of SCC used in North America was characterized by the use of relatively high content of binder as well as high dosages of chemicals admixturesusually superplasticizer to enhance flowability and stability.
This article needs additional citations for verification. September Learn how and when to remove this template message Self-consolidating concrete or self-compacting concrete commonly abbreviated to SCC  is a concrete mix which has a low yield stresshigh deformabilitygood segregation resistance prevents separation of particles in the mixand moderate viscosity necessary to ensure uniform suspension of solid particles during transportation, placement without external compactionand thereafter until the concrete sets.
As a result, pouring SCC is also much less labor-intensive compared to standard concrete mixes. Additionally some complex forms cannot easily be vibrated. Okamura at Ouchi University, Japan, at a time when skilled labor was in limited supply, causing difficulties in concrete-related industries.
The first generation of SCC was therefore characterized and specified for specialized applications.
Once poured, SCC is usually similar to standard concrete in terms of its setting and curing time gaining strengthand strength. SCC can be used for casting heavily reinforced sections, places where there can be no access to vibrators for compaction and in complex shapes of formwork which may otherwise be impossible to cast, giving a far superior surface than conventional concrete.
Ordinarily, concrete is a dense, viscous material when mixed, and when used in construction, requires the use of vibration or other techniques known as compaction to remove air bubbles cavitationand honeycomb -like holes, especially at the surfaces, where air has been trapped during pouring.
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