DB50/T 895-2018 Active Chongqing CityLocal standards

DB50/T 895-2018 Rapidly inclined thin coal seam undercut comprehensive mechanized mining technology specifications

Publish Date: 2018-08-21 Implement Date: 2018-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: DB50/T 895-2018

Standard Type: Local standards

Standard Status: Active

is_force_gb: no

CCS Name: Mining

ICS Name: Mining and mineral products (vocabulary)

Publish Date: 2018-08-21

Implement Date: 2018-12-01

Pages: 11 pages

Scope

This standard applies to the production and technical management of comprehensive mechanized mining of steep and thin coal seams in the administrative area of Chongqing City. It is applicable to coal seams with roof and floor classifications of Category II and above. When the roof and floor of the coal seam are classified as Category I, the water inflow in the working face should be less than 5m3/h