IS 5640 : 1970 Method of test for determining aggregate impact value of soft coarse aggregates

1 Scope

1.1 This standard covers the procedure for determining theaggregates impact value of soft coarse aggregate used for bases andsub-bases of road pavements.

2 References

IS 2 :1960Rules for rounding off numerical values

IS 2386 : Part IV :1963 Methods of test for aggregates forconcrete:Part IV Mechanical properties