Effects of Preparation’s Parameters on Stabilization of Sabodala Gold Mine Tailings: Comparison of Fresh and Weathered Materials
The Sabodala gold mine tailings were stabilised using geopolymerization
technics in order to improve their mechanical properties in general for a reuse
as building materials for local communities. The effect of several preparation
parameters on the compressive and tensile strength of the stabilised tailings
has been studied to define their optimums. For each formulation, all parameters are kept constant and only one is variable. The prepared samples are then
tested for compressive and tensile strength to see how the variable parameter
impact on these properties. The same work was carried out for the fresh tailings and for the weathered one to see whether they behave differently and if
they need different treatment. The results show that for most of parameters,
there is an optimal value on either side of which compressive and tensile
strength decrease. Except for few parameters, the fresh and the weathered
tailings have a similar behaviour with regards to trends of their mechanical
properties with changing preparation conditions. In addition to the similarity
of weathered and fresh tailings mechanical characteristics following their stabilization by geopolymerization, this work has proved the considerable effects
of the preparation’s parameters.
Auteur(s) : Ibrahima Dia , CheikhIbrahima Faye, Dame Keinde , Mababa Diagne, Mamadou Gueye
Pages : 21-35
Année de publication : 2017
Revue : Journal of Geoscience and Environment Protection
N° de volume : 5
Type : Article
Statut Editorial : open access
Mise en ligne par : GUEYE Mamadou