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How do you test for concrete slump? Testing for concrete slump is a quick procedure that can be performed on the jobsite using relatively inexpensive, but specialized, equipment. For ready-mix concrete, the procedures for measuring slump are defined by ASTM C143 – Standard Test Method for Slump of Hydraulic-Cement Concrete.
The slump test has been around a long time, but in 1918, concrete pioneer Duff Abrams introduced the method to evaluate the consistency or workability of fresh concrete. He and other researchers found that maintaining the optimum slump value for a concrete mix facilitated the material's placement, consolidation, and finishing.
Jun 26, 2024 · Concrete slump testing is a procedure used to evaluate the workability and consistency of a concrete mix and the concrete slump test measures the concrete slump value with a slump cone. The required equipment for the concrete slump test, such as the tamping rod and slump cone, must adhere to applicable standards, such as ASTM C143 and AASHTO T119 in the US or EN 12350-2 in Europe.
Mar 13, 2019 · Since 1922 slump test has been widely used to check out the concrete workability at the site. This test is also known as the slump cone test. The slump test measures the consistency or workability of concrete. It is used to check the workability of freshly made concrete for the easy placement of concrete.
May 19, 2021 · The Procedure to Determine Concrete Slump Tools Needed. Step 1. Once ready to begin the test, ensure that the slump cone is clean and secured to the base plate. Sakrete The items required for a ...
Jun 8, 2024 · The concrete slump cone is essential for conducting the concrete slump test, as it helps determine the correct water content and evaluate the flowability of the batch of concrete. Additionally, ensuring that the slump cone meets the required dimensions as per BS EN 12350-2 is crucial for obtaining accurate and consistent results with fresh concrete and hydraulic cement concrete.
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The slump test is the most simple workability test for concrete, involves low cost and provides immediate results. Due to this fact, it has been widely used for workability tests since 1922. The slump is carried out as per procedures mentioned in ASTM C143 in the United States, IS: 1199 – 1959 in India and EN 12350-2 in Europe .