ISO 4109:1980 PDF Download

ISO 4109:1980 is a standard that provides guidelines for determining the consistency of fresh concrete using the slump test. The standard applies to both laboratory and field settings and is specifically designed for plastic and cohesive concrete. However, it should be noted that this method is not suitable for concrete with aggregate sizes exceeding 40 mm.

The standard includes detailed instructions on the required apparatus, the procedure to be followed, and the expression of test results. It also lays out the necessary components of the test report. By adhering to the guidelines outlined in this standard, users can obtain accurate and reliable measurements of the slump of fresh concrete, which is an important parameter in evaluating its workability and flowability.