GB/T 40259-2021
General specification for supporting quality of longwall face (English Version)

Standard No.
GB/T 40259-2021
Language
Chinese, Available in English version
Release Date
2021
Published By
国家市场监督管理总局、中国国家标准化管理委员会
Latest
GB/T 40259-2021
Scope
This document stipulates the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of fully mechanized mining face support quality testing (hereinafter referred to as support testing). This document is applicable to the quality inspection of support for fully mechanized mining working faces in coal mines.

GB/T 40259-2021 Referenced Document

  • GB 3836.1-2010 Explosive atmospheres.Part 1:Equipment.General requirements
  • GB 3836.2-2010 Explosive atmospheres.Part 2:Equipment protection by flameproof enclosures "d"
  • GB/T 191 Packaging.Pictorial marking for handling of goods
  • GB/T 2423.1-2008 Environmental testing for electric and electronic products.Part 2:Test methods.Tests A:Cold
  • GB/T 2423.10-2019 Environmental testing—Part 2:Test methods—Test Fc:Vibration(sinusoidal)
  • GB/T 2423.2-2008 Environmental testing for electric and electronic products.Part 2:Test methods.Tests B:Dry heat
  • GB/T 2423.4-2008 Environmental testing for electrical and electronic products - Part 2: Test method Test Db alternating damp heat (12h + 12h cycle)
  • GB/T 2423.5-2019 Environmental testing—Part 2: Test methods—Test Ea and guidance: Shock

GB/T 40259-2021 history

  • 2021 GB/T 40259-2021 General specification for supporting quality of longwall face
General specification for supporting quality  of longwall face



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