Concrete processing
Self-compacting concrete

Compared with ordinary vibrated concretes, BAPs have very limited processing constraints.

In the traditional case of vibrated concrete, it must be laid in layers of no more than 50 cm (proportional to the height of the vibrating needle body), with a drop height of less than 1.5 m, and avoiding moving the concrete over a distance of more than 2 m due to the effect of vibration.

For BAP, drop heights of up to 5 m (concrete is much more resistant to segregation) and horizontal displacements in the formwork of 5 to 10 m (depending on the segregation resistance of the BAP and the density of reinforcement) are acceptable. This makes for much faster placement, although this is generally limited by the maximum...