ABSTRACT The fluidity and plasticity of the concrete should be maintained during the displacement to the work, preventing possible changes in the properties. When there are changes, they should be cor
E: Modulus of elasticity; Φ: rule of mixture constant. The cements were selected from a range of commercial products (Simplex P; Stryker Howmedica Osteonics, Mahwah, NJ. Vertecem; Synthes GmbH, Soloth
