Before revision: Their addition to concrete or mortar allows the reduction of the water-to-cement ratio without negatively affecting the workability of the mixture, and enables the production of self-consolidating concrete and high performance concrete.
After revision: , the main parameter determining the concrete strength and its durability,Their addition to concrete or mortar allows the reduction of the water-to-cement ratio without negatively affecting the workability of the mixture, and enables the production of self-consolidating concrete and high performance concrete.