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Database: 189759 (19 Oct 2025)
MT/T 1124-2011 English PDF
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MT/T 1124-2011
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Coal mine technical specification for vertical shaft sinking by freezing method
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MT/T 1124-2011
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Basic data
Standard ID
MT/T 1124-2011 (MT/T1124-2011)
Description (Translated English)
Coal mine technical specification for vertical shaft sinking by freezing method
Sector / Industry
Coal Industry Standard (Recommended)
Classification of Chinese Standard
D15
Classification of International Standard
73.020
Word Count Estimation
175,171
Date of Issue
2011-04-12
Date of Implementation
2011-09-01
Quoted Standard
Coal Mine Safety Regulations in December 2004; GB/T 15663.2; GB 50010; GB 50016; GB 50017; GB 50171; GB 50204; GB 50511; GB 50215; GB 50231; GB 50235; GB 50274; GB/T 50328; GB 50384; MT/T 593; SBJ 12-2000; SBJ 38-2000
Regulation (derived from)
?State Administration of Work Safety Announcement 2011 No.13
Issuing agency(ies)
State Administration of Work Safety
Summary
This standard specifies the shaft engineering quality and safety. This specification applies to alluvial layer thickness of less than 400m, the freezing depth of less than 500m coal Mine Shaft freezing sinking of survey, wall, ground freezing, freeze wall formation and detection, freeze frozen pipe bore construction and quality, refrigeration station cooling system, design and construction of the borehole digging puzzle and monitored. Alluvium thickness greater than 400m of frozen shaft may refer to this specification.