ASTM C928/C928M-25

Kategorie - podobné normy:

Beton. Betonové prefabrikáty

Anotace textu normy ASTM C928/C928M-25 :

This specification covers packaged, dry, cementitious mortar or concrete materials for rapid repairs to hardened hydraulic-cement concrete pavements and structures. Materials that contain organic compounds, such as bitumens, epoxy resins, and polyesters, as the principal binder are not included. Packaged, dry, concrete material contains aggregate of which at least 5% by mass of the total mixture is retained. Packaged, dry, mortar material contains aggregate of which less than 5% by mass of the total mixture is retained. Aqueous solutions, aqueous emulsions or dispersions may be included as components of the packaged materials. Aggregates must be included as a component of the packaged materials. Both packaged dry concrete and mortar shall be mechanically mixed with the use of a mixing liquid. Different test methods shall be performed in order to determine the following properties: compressive strength, length change, scaling resistance, and slant shear bond strength.

Keywords:

cementitious mortar or concrete materials for repair, concrete, packaged, mortar, packaged, packaged dry materials for concrete repair, rapid hardening materials, repair materials,, ICS Number Code 91.100.30 (Concrete and concrete products)