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Concrete is the most used construction material in the world and if correctly composed, it can be vary durable and thus save considerable society resources in maintenances cost. Self-compacting concrete is one of the subjects of concrete technology and the various investigations have been carried out and hence the concrete has been used in practical structures. In this paper, a brief introduction to self-compacting concrete (SCC) is given. And also the definition and motive for development of SCC have been discussed. The SCC has some advantages over normal concrete and also some disadvantages. An approach has been made to study the various aspects of SCC, such as types of SCC, materials used and testing methods, in detail. The paper also touches the economical considerations, applications and future development of SCC. A concrete that places itself - SELF COMPACTING CONCRETE? A well-proportioned SCC can flow under it?s own weight through & around congested reinforcement filling forms completely & producing a void free mass with no vibration and without segregation problems. When large quantity of heavy reinforcement is to be placed in RC member it is difficult to ensure that the formworks get completely filled with concrete that is fully compacted without voids of honeycombs. This problem can now be solved with self-compacting concrete. Self-compacting concretes is placed or poured in the same was as ordinary concrete but without vibration. It is very fluid and can pass around obstructions and fill all the nooks and corners without the risk of either mortar or other ingredients of concrete separating out. At the same time there are no entrapped air or rock pockets. This type of concrete mixtures does not require any compaction & it saves time labor energy. The surface finish produced by SCC is exceptionally good and patching will not necessary. This concept of SCC was followed by a major European R & D projects. SCC has been successfully used in France, Denmark and Netherlands & UK apart from Japan. It is gaining wide acceptability because no noise pollutions there & the construction process is safer and more productive.
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