MT/T 1200-2023 Active

MT/T 1200-2023 Mining explosion-proof lithium-ion battery power safety technical requirements

Publish Date: 2023-04-10

MT/T 655-1997 Active

MT/T 655-1997 Technical condition of belt conveyor idler bearing for coal mining

Publish Date: 1997-11-10

MT/T 375.1-1994 Active

MT/T 375.1-1994 Mining magnesium-lime concrete products general technical specification

Publish Date: 1994-11-16

MT 990-2006 Active

MT 990-2006 Mining Explosion Proof Diesel Engine General Technical Specification

Publish Date: 2006-08-19

MT 312-2000 Active

General Technical Specifications for MT 312-2000 Hydraulic Supports

Publish Date: 2000-12-08

MT 401-1995 Active

MT 401-1995 Mining production dispatching communication system general technical specifications

Publish Date: 1995-08-25

MT/T 459-2007 Active

MT/T 459-2007 Coal mining machine hydraulic fluid power-General rules relating to hydranlic components

Publish Date: 2007-10-22

MT/T 414-1995 Replaced

MT/T 414-1995 The basic parameters and dimensions of a coal mine belt conveyor

Publish Date: 1995-12-05

MT/T 386-2011 Active

MT/T 386-2011 The test methods and criteria for the flame-retardant performance of coal mine cables

Publish Date: 2011-04-12

MT/T 146.2-2011 Active

MT/T 146.2-2011 Resin anchor bolts-Part 2:Steel bars and accessories

Publish Date: 2011-04-12

MT/T 1255-2025 Active

MT/T 1255-2025 Technical standard for construction of full-face-rock tunnel boring machine in inclined shaft

1.0.1 This standard is formulated to regulate the construction of full-face rock tunneling machines in mine shafts and ensure the quality and safety of the project.
1.0.2 This standard applies to the construction of full-face rock tunneling machines in mine shafts with a slope of no more than 16°. Both metallic and non-metallic mines can refer to and implement this standard accordingly.

Publish Date: 2025-06-30

MT/T 1218-2024 Active

MT/T 1218-2024 Technical specification for roadway to dynamic pressure roof-cuttig pressure relief by hydraulic fracturing in coal mine

This document specifies the requirements for pre-fracturing investigation and assessment, fracturing scheme design, sealing devices, fracturing fluids, and equipment for hydraulic fracturing to relieve roof pressure in coal mine dynamic pressure tunnels, and describes the methods for monitoring the construction process of hydraulic fracturing to relieve roof pressure and the monitoring of the effect of tunnel pressure relief.
This document is applicable to the construction of hydraulic fracturing to relieve roof pressure in underground dynamic pressure tunnels of coal mines.

Publish Date: 2024-12-25