Layered filling construction method of gibbon flexible slag dam in mine loose rock soil foundation

By employing layered filling and staggered stacking construction techniques and standardized processes, the construction problems of traditional retaining walls and existing gabion flexible slag retaining dams on loose rock and soil foundations have been solved, achieving efficient and environmentally friendly slag retaining dam construction and improving project quality and material utilization.

CN122406776APending Publication Date: 2026-07-17中色十二冶金建设有限公司

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
中色十二冶金建设有限公司
Filing Date
2026-05-20
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Traditional rigid retaining walls are prone to cracking and sliding under loose rock and soil conditions, and have long construction cycles and high costs. The existing construction technology of gabion flexible slag retaining dams has failed to effectively solve the problems of uneven foundation settlement and low material utilization, making it difficult to meet the needs of rapid construction and environmental protection in mines.

Method used

The process employs layered filling and compaction techniques, combined with staggered stacking to form an interlocking structure. Prefabricated gabion units are used, filled with waste rock from the mine, and a drainage system is installed. Standardized construction procedures are implemented, including foundation treatment, assembly, filling, connection, and quality acceptance.

Benefits of technology

It improved the dam's shear resistance, seepage resistance, and overturning resistance, reduced construction steps and material costs, realized resource utilization and environmental protection, and ensured project quality and stability.

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Abstract

本发明涉及拦渣坝技术领域,更具体而言,涉及矿山松散岩土基格宾柔性拦渣坝分层填筑施工工法。包括以下步骤;S2地基处理;S3格宾单元组装,将工厂预制的格宾单元在现场展开、连接并固定,形成组装完成的格宾单元体;S4分层填筑与压实,将矿山废弃石料分层填充至格宾单元体内并进行分层压实,得到初筑坝体结构;S5错缝堆叠与连接,将初筑坝体结构的格宾单元体按错缝方式逐层堆叠并完成层间连接,得到成型坝体结构;S6封顶与护面施工;S7排水系统安装;S8质量检查与验收。本工法有效提升了坝体的抗冲刷、抗风化和抗渗透能力;同时大幅降低了坝体因沉降、变形产生的后期修复概率。本发明主要应用于矿山松散岩土基格宾柔性拦渣坝分层填筑施工方面。
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