Introduction
in the mining industry, the management of underground voids left by mineral extraction is critical for operational safety, environmental compliance, and resource efficiency. Two prominent options for mine backfill are cemented paste backfill (CPB) and rock fill. Each method has distinct advantages and applications based on factors such as geology, mining methods, and environmental considerations. Cemented paste backfill, which combines mine tailings with binders, offers enhanced stability and minimizes surface disposal, while rock fill utilizes mined rock to provide structural support and restoring ground integrity. This article explores the characteristics,benefits,and challenges associated with both backfill methods,providing insights into their roles in modern mining practices.
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