Testing of industrial products - Aggregates for construction

Histograms of ranges and laboratory averages for the PSV test


Figure 1. Between-test-portion ranges and laboratory averages (PSV units).

  4.0 ¦                       4.0 ¦                       4.0 ¦ 
      ¦                           ¦ L   ?                     ¦ 
      ¦                           ¦                           ¦ 
      ¦                           ¦                           ¦ 
      ¦                           ¦                           ¦ 
  3.0 ¦                       3.0 ¦                       3.0 ¦ L
      ¦                           ¦                           ¦ R
      ¦                           ¦                           ¦ 
      ¦ J                         ¦                           ¦ G
      ¦                           ¦ M                         ¦ 
  2.0 ¦                       2.0 ¦ T                     2.0 ¦ I T
      ¦                           ¦                           ¦ S
      ¦ K                         ¦ J                         ¦ A C F Q
      ¦ D L                       ¦ K                         ¦ 
      ¦ G Q T                     ¦ C G                       ¦ B J M P
  1.0 ¦ N                     1.0 ¦ D F I N               1.0 ¦ K
      ¦ C E H M                   ¦ A E O P Q                 ¦ D E O
      ¦ F I P                     ¦                           ¦ H
      ¦ A R                       ¦ H                         ¦ 
      ¦ S                         ¦ B S                       ¦ 
  0.0 ¦ B O                   0.0 ¦ R                     0.0 ¦ N
       Level 1 Between-            Level 2 Between-            Level 3 Between-
       test-result ranges          test-result ranges          test-result ranges


 55.0 ¦                      65.0 ¦                      75.0 ¦ 
      ¦                           ¦                           ¦ 
      ¦                           ¦                           ¦ 
      ¦                           ¦                           ¦ 
      ¦ C                         ¦                           ¦ 
 50.0 ¦                      60.0 ¦                      70.0 ¦ K
      ¦ Q                         ¦ B C                       ¦ B C
      ¦ R                         ¦                           ¦ H J R
      ¦ B E K O S                 ¦ R                         ¦ A I O Q
      ¦ F I P                     ¦ I K Q S T                 ¦ E F N T
 45.0 ¦ A D H J M T          55.0 ¦ A E F H O P          65.0 ¦ D M S
      ¦ G N                       ¦ D G J N                   ¦ P
      ¦                           ¦ M                         ¦ G
      ¦                           ¦                           ¦ 
      ¦                           ¦                           ¦ 
 40.0 ¦                      50.0 ¦                      60.0 ¦ 
      ¦                           ¦                           ¦ 
      ¦                           ¦                           ¦ 
      ¦ L   ??                    ¦                           ¦ L   ??
      ¦                           ¦                           ¦ 
 35.0 ¦                      45.0 ¦ L   ??               55.0 ¦ 
       Level 1 Laboratory          Level 2 Laboratory          Level 3 Laboratory 
       averages                    averages                    averages