DB13/T 1661-2012
Operating rules for open filling of mine ultra-high water materials (English Version)
- Standard No.
- DB13/T 1661-2012
- Language
- Chinese, Available in English version
- Release Date
- 2013
- Published By
- Hebei Provincial Standard of the People's Republic of China
- Latest
- DB13/T 1661-2012
- Scope
- This standard specifies the requirements for open filling process materials and auxiliary materials for ultra-high water materials, the entire filling process, slurry preparation, slurry transportation, and working surface filling processes and requirements. This procedure is applicable to the special mining of coal mines to liberate stagnant resources "under water bodies, under railways, under buildings and on pressurized water"; it can also be applied to mining under ordinary conditions to reduce the risks caused by the complete collapse method of roof management. Various disasters to achieve safe mining.
DB13/T 1661-2012 history
- 2013 DB13/T 1661-2012 Operating rules for open filling of mine ultra-high water materials
