SL 131-2017 in English

This standard provides a method for verifying the concrete slump cone, which is an essential tool in assessing the workability of fresh concrete. The procedure outlined in this standard ensures that the equipment used for measuring slump is accurate and reliable. It outlines the necessary steps for calibration, including the preparation of materials, the setup of the testing environment, and the execution of the verification process. The standard also specifies the criteria for determining whether the instrument meets the required performance standards. It includes detailed instructions on how to conduct the test, record the results, and interpret the data. The information provided is intended to ensure consistency and accuracy in the calibration process across different testing facilities.