Abstract
This chapter describes the design and characterization of cemented paste backfill considered for re-filling underground mined-out stopes. The mixture design and optimization of CPB are based on laboratory- and paste plant-scale testing. The uniaxial compressive strength of paste backfill material is universally accepted as one of the most important design parameters. The other design parameters are material characterization, dewatering and rheological properties. To reach the real strength response of a paste-filled stope based on an optimal stability design, it is vital to assess the intrinsic (paste ingredients) and extrinsic factors (field placement and curing conditions) which affects the CPB’s performance. This chapter deals an overview of underground paste backfilling, including paste ingredients, backfill plant operations, mixture preparation, backfill reticulation system, paste placement and curing conditions, barricade construction and monitoring, and quality control testing.
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Yilmaz, E., Guresci, M. (2017). Design and Characterization of Underground Paste Backfill. In: Yilmaz, E., Fall, M. (eds) Paste Tailings Management. Springer, Cham. https://doi.org/10.1007/978-3-319-39682-8_5
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DOI: https://doi.org/10.1007/978-3-319-39682-8_5
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