Standards
Current Category: CN-MT - Coal
MT/T 655-1997 Technical condition of belt conveyor idler bearing for coal mining
MT/T 375.1-1994 Mining magnesium-lime concrete products general technical specification
MT 990-2006 Mining Explosion Proof Diesel Engine General Technical Specification
General Technical Specifications for MT 312-2000 Hydraulic Supports
MT 401-1995 Mining production dispatching communication system general technical specifications
MT/T 459-2007 Coal mining machine hydraulic fluid power-General rules relating to hydranlic components
MT/T 414-1995 The basic parameters and dimensions of a coal mine belt conveyor
MT/T 386-2011 The test methods and criteria for the flame-retardant performance of coal mine cables
MT/T 146.2-2011 Resin anchor bolts-Part 2:Steel bars and accessories
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.
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.