This document specifies the terms and definitions of drill bits used for large-diameter drilling construction of bridge pier pile foundations and their construction methods, the composition and principles of drill bits used for large-diameter drilling construction of bridge pier pile foundations, technical requirements, test methods, inspection rules, Construction method. This document applies to drill bits and construction methods used for large-diameter drilling construction of bridge pier pile foundations.
T/QGCML 3094-2024 history
2024T/QGCML 3094-2024 Drill bit used for large-diameter drilling construction of bridge pier pile foundation and its construction method