Laboratory Test Sheet
AGGREGATE CRUSHING VALUE: BS 812 Section 111: 1990

This Standard has being partially replaced by the following British Standard

 

BS EN 1097-2 2010

Tests for Mechanical and Physical Properties of Aggregates

Method of Determination of Resistance to Fragmentation
Client Lab.Ref
Client Ref.  Job No.
Supplier Source
Location Date
Material Type Date Format
Material Name  Spec
  AggType
ACV Test Method
 
Aggregate Crushing Value - 400kN Force in 10 minutes +/- 30 sec
Initial Weight = 1  
Initial Weight = 2  
Initial Weight = 3  
             
  Test No Test No Test No Test No
1 2 3 4
Weight of Test Specimen A (g)
Weight Passing 2.36mm Sieve B (g)
Weight Retained on 2.36mm Sieve C (g)
B + C (g)
ACV = B/A * 100
Mean Force
   Total ACV  Min ACV Max ACV  Median ACV 
 
Give a warning that one of the values exceed note 1
Notes * The median is the mean of the middle two results
1. If B + C differ from A by more than 10g repeat the test
2. Report the Mean ACV to the nearest whole number
Comments
 
  Operator Checked Approved