Assessment of the Effect of Different Cementing Materials on the Strength of Cemented Paste Backfill

Abstract

The extraction and use of mineral resources are critical to modern societies. New technologies and practices have ensured the development of the mining industry. Currently, the industry is striving to become more efficient and more environmentally-friendly. This paper reports on continuing research at La Trobe University on the behaviour of cemented paste obtained from fine, sulphide-rich gold tailings from the local Fosterville Mine. The effects of cementitious binders and the age of the hardened cemented paste on the mechanical properties are presented. The findings to date show that there is potential to replace the current backfill material with cemented paste backfill to increase mine productivity and ore profitability.