MT/T 1251-2025 Technical specification for simultaneous operation of freezing,grouting and sinking in vertical shaft

GB/T 15663.2-2023 Vocabulary of coal mining—Part 2:Shaft and drift engineering GB 50213-2010 Code for acceptance of shaft sinking and drifting of coal mine GB 50384-2016 Code for design of coal mine shaft and chamber GB/T 50511-2022 Mine Shaft Construction Standards GB/T 51277-2018 Standard for construction and acceptance of coal mine shaft of freezing method MT/T 1057-2007 The method for inspecting the effectiveness of pre-injection grouting in the surface of a vertical well using water pressure testing MT/T 1057-2008 The checking method used pressure water test for surface pre-grouting quality of shaft MT/T 1058-2007 The technical specifications for pre-injection of cement slurry into the ground surface of a vertical well MT/T 1058-2008 Technical specification of pre-grouting from the surface with clay-cement grout in vertical shaft MT/T 1150-2011 Ground pre-slurry pump technology specification for Lisi wellshaft borehole engineering injection holes NB/T 11548-2024 Technical specification for simultaneous operation of drilling and grouting in vertical shaft