The
application of concrete
without vibration is not a new concept. For example, placement of seal
concrete
underwater is done by the use of a tremie without vibration, mass
concrete has
been placed without vibration, and shaft concrete can be successfully
placed
without vibration.
These
seal, mass and shaft concretes are generally of lower
strength, less than 34.5 MPa and it is difficult to attain consistent
quality.
Modern application of self-compacting concrete (SCC) is focused on high
performance - better and more reliable quality, dense and uniform
surface
texture, improved durability, high strength, and faster construction.
