NBN EN 14227-1:2004

This European Standard specifies requirements, test methods and compliance criteria for cement bound granular mixtures used for construction and maintenance of bases and sub-bases of roads, airfields and other trafficked areas.
This European Standard specifies the characteristics of cement bound granular mixtures (CBGM) by reference to the properties of their constituents, the mixture and the properties of specimens of the mixed materials.
NOTE In addition to conforming to the requirements of this European Standard cement bound granular mixture may have other requirements, not included in this European Standard, which may be required by national regulation. The additional requirements may include any requirements selected from the following:
-frost damage resistance;
-compacity (as defined in EN 14227-2);
-workability period (measured in conformity with prEN 13286-45);
-immediate bearing index (measured in conformity with prEN 13286-47);
-such other requirements as are referred to within this European Standard, as being the subject of national regulations.