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Test Method Title

Test Method for Slump of Hydraulic Cement Concrete

Reference Number

ASTM C143

Material

Field Concrete

Test Property

Slump, workability

Description of Test

Concrete is sampled in accordance with ASTM C172. The concrete is placed into the slump cone in 3 lifts of equal volume with each lift being rodded 25 times. The cone is then lifted in a vertical motion, and difference between the top of the displaced concrete the original height is reported as the slump.

Preferred Test Sample Size

Number of Test Specimens

1

Test Specimen Size

3 gallons

Keywords

slump, concrete, workability