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MT/T 1124-2011Coal mine technical specification for vertical shaft sinking by freezing method (English PDF)

煤矿冻结法开凿立井工程技术规范

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Issued by

State Administration of Work Safety

Level / Type

National · Recommended

Issue date

April 12, 2011

Implementation date

September 1, 2011

Scope

MT/T 1124-2011 is the English-translated version of 煤矿冻结法开凿立井工程技术规范.

MT/T 1124-2011 — 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.

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Document preview — MT/T 1124-2011

National Standard of the People's Republic of China

ICS: 73.020
Classification: D 15

Issued by: State Administration of Work Safety

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

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.

Document data

International classification (ICS): 73.020.

Chinese classification (CCS): D15.

Estimated length of the Chinese original: 175,189 words.

Standards quoted by this document

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

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 116 pages — is available in the English PDF.

Referenced standards

Cited by

NB/T 11261-2023Code of practice for construction and quality acceptance of freezing holes in coal mines

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