Slump Cones measure the workability of a fresh concrete mix in
accordance with applicable ASTM and AASHTO standards. The slump cone
test is performed for acceptance purposes, to record mixture
characteristics, or as an indirect method of determining the
water/cement ratio.
Recommended Values of Concrete Slump Tests for Various Purposes:
No. |
Types of concrete |
Slump |
1 |
Concrete for road construction |
20 to 40 mm |
2 |
Concrete for tops of curbs, parapets, piers, slabs and wall |
40 to 50 mm |
3 |
Concrete for canal lining |
70 to 80 mm |
4 |
Normal RCC work |
80 to 150 mm |
5 |
Mass concrete |
20 to 50 mm |
6 |
Concrete to be vibrated |
10 to 25 mm |