BS 1377 : Part 4 : 1990
Dry density/moisture content relationship (vibration)
Location         Job ref.      
          Borehole/Pit no.    
Soil description         Sample No.    
          Depth     m
Test method  BS1377: Part 4:  1990: 3.7     Date      
Procedure   Single sample/separate batches*          
  ____________layers each vibrated for____________seconds    
Initial sample mass   g Particle density     Mg/m3
Retained on 37.5mm sieve   g   %      
Test number                
Mass of mould+base+compacted g          
  specimen (m2)            
Mass mould+base+collar (m1) g          
Mass compacted specimen (m2-m1) g          
Height of specimen (h)   mm          
Bulk density     Mg/m3          
Moisture content container No.            
Moisture content  (w)   %          
Dry density     Mg/m3          
*Delete as appropriate              
      Maximum dry density     Mg/m3
  Optimum moisture content %
dry density Mg/m3  
  Moisture Content %            
      Operator   Checked   Approved  
Form 4.A