This document specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of jacks for intelligent tensioning of prestressed steel strands. This document applies to the production and inspection of intelligent tensioning jacks for prestressed steel strands.
T/QGCML 1904-2023 history
2023T/QGCML 1904-2023 Intelligent tensioning jack for prestressed steel strands