NB/T 11431-2023 Active
NB/T 11431-2023 Technical specifications for backfilling of coal gangue in land remediation
Abstract
This document establishes the technical specifications for the backfilling of coal gangue, stipulates the requirements for the classification of coal gangue, the admission of coal gangue, the selection of sites for coal gangue backfilling, the feasibility analysis of coal gangue backfilling, the implementation of backfilling projects, and the environmental monitoring of backfilling projects.
This document is applicable to coal gangue or modified coal gangue used to replace sand, stone, and soil in the process of land rehabilitation. It provides available backfilling materials for land rehabilitation, land reclamation, land development, and land restoration, such as pit backfilling, infrastructure construction, and land creation in natural depressed areas. Other applications of coal gangue backfilling can refer to this document for guidance.
General Product Information
| Document Type | Industry standards-Energy |
|---|---|
| Standard Status | Active |
| Standard Code | NB/T 11431-2023 |
| CCS | General standards for the control of solid waste |
| ICS | \nCoal |
| Implement Date | 2024-06-28 |