DB13/T 1662-2012
Operating procedures for gob-side entry retention of mine ultra-high (high) water materials (English Version)

Standard No.

DB13/T 1662-2012

Language

Chinese, Available in English version

Release Date

2013

Published By

Hebei Provincial Standard of the People's Republic of China

Latest

DB13/T 1662-2012

Scope

This standard specifies the requirements for filling materials and auxiliary materials, process flow, equipment layout and operation requirements for the gob retaining process of ultra-high (high) water materials. This standard applies to the mining method of retaining lanes by re-supporting the upper section along the channel and leaving it for continued use in the next section.

DB13/T 1662-2012 history

• 2013 DB13/T 1662-2012 Operating procedures for gob-side entry retention of mine ultra-high (high) water materials