What is a Concrete Slump Test? A concrete slump test measures the "workability" of fresh, ready-mix concrete. The test itself measures the exact consistency of concrete in a certain area. This helps to ensure uniformity so the concrete is the same quality in all areas of application. By ProMatcher Staff Updated: 09/02/2016 Get Free Quotes Today! Free Quotes from Concrete Contractors Related: Concrete Flatwork Cost How Much Does Stamped Concrete Cost? Can pressure washing damage concrete? Get Free Quotes Today! Find Local Pros Free Concrete Cost Estimates Related Questions How Much Does a Stamped Concrete Patio Cost? How Many Bags of Concrete Are in a Yard? What are Common Concrete Finish Options? How Much Does It Cost to Pour Concrete? How Much is a Yard of Concrete?