GB/T 38110-2019 Graphical symbols for the technical documentation of coal mining
GB/T 38110-2019 Graphical symbols for the technical documentation of coal mining
Basic Information
Scope
This standard specifies the graphical symbols used in mining technical documents of coal mines, as well as the rules for their design and use.
This standard applies to technical documents in the fields of coal mine design, production, scientific research, teaching, books and periodicals, and management, etc. It is used to draw design drawings, schematic diagrams, and simple diagrams related to coal mining projects, such as mine area layout diagrams, pit development plan diagrams, coal seam mining project plan diagrams, mine area roadway layout and mechanical equipment diagrams, industrial site safety pillar diagrams, coal mine safety automatic monitoring system diagrams, coal mine safety facility layout diagrams, coal mine dust prevention system diagrams, ventilation system diagrams, etc.