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Paste backfill is composed of a mixture of mine tailings, process and/or fresh water for the desired solid-water consistency and hydraulic binder to ensure a target mechanical resistance. This paper presents some studies undertaken on the strength development and deformation behaviour of paste backfill mixtures made from a Turkish zinc mine tailings. A series of laboratory experiments was conducted to determine the strength and deformation properties of paste mixtures with binder content ranging from 4 to 7 wt\% a...