YB/T 4865-2020 English PDF

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YB/T 4865-2020: Internal waste rocks dumping technical specification for open pit to underground mining of iron mine
Status: Valid

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YB/T 4865-2020	149	Add to Cart	3 days	Internal waste rocks dumping technical specification for open pit to underground mining of iron mine	Valid

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Basic data

Standard ID: YB/T 4865-2020 (YB/T4865-2020)
Description (Translated English): Internal waste rocks dumping technical specification for open pit to underground mining of iron mine
Sector / Industry: Ferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: H34
Classification of International Standard: 77.140.99
Word Count Estimation: 6,674
Date of Issue: 2020-12-09
Date of Implementation: 2021-04-01
Quoted Standard: GB 18599; GB J22; YB/T 4486-2015; HJ 651
Regulation (derived from): Ministry of Industry and Information Technology Announcement No. 48 (2020)
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies the technical parameters and ecological environment restoration requirements for waste rock from open-pit to underground mines to be disposed of in the open-pit boundary. This standard is applicable to iron mines during the transition period from open-pit to underground. The internal discharge of waste rock from other types of mines can be implemented by reference.

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