This document stipulates the terms and definitions of technical specifications for air content testing of ready-mixed concrete, testing instruments, testing conditions, testing methods, determination of gas content calculation results, and testing reports. This document applies to the air content detection technology of ready-mixed concrete.
T/QGCML 2271-2023 history
2023T/QGCML 2271-2023 Technical specifications for testing air content in ready-mixed concrete