Abstract：The cement mortar shaker is a special equipment used to vibrate the cement sample, and to fix the frequency, amplitude and timing of the cement sample together with the test mold and the blanking funnel. The article explains the main content of JJF 1867-2020 "Cement Mortar Vibrating Table Calibration Specification" and issues that need attention in its implementation, so as to better guide the calibration practice.
2022, Vol. 32 