SN EN 13383-2 : 2002

Foreword<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Methods for sampling<br>5 Determination of the particle size distribution of<br>&nbsp;&nbsp;&nbsp;coarse gradings<br>6 Determination of the mass distribution of light and<br>&nbsp;&nbsp;&nbsp;heavy gradings<br>7 Determination of the percentage of pieces of armourstone<br>&nbsp;&nbsp;&nbsp;with a length-to-thickness ratio greater than 3<br>8 Determination of particle density and water absorption<br>9 Determination of resistance to freezing and thawing<br>10 Determination of signs of "Sonnenbrand" and disintegration<br>&nbsp;&nbsp;&nbsp;of steel slags<br>Annex A (informative) Example of a sampling report<br>Annex B (informative) Example of a particle size distribution<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;of a coarse grading<br>Annex C (informative) Example of a mass distribution (reference<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;method)<br>Annex D (informative) Example of a mass distribution (alternative<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;method)<br>Annex E (informative) Density of water<br>Annex F (informative) Precision for determination of particle<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;density and water absorption (see clause 8) -<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Repeatability r and reproducibility R<br>Annex G (informative) Guidance on sampling for testing