Abstract
The physico-mechanical properties of rocks are important parameters in the planning and design of mining and civil constructional works. These properties are adversely affected by acidic and alkaline environments. In the present study, marble rock specimens were tested in the laboratory after treatment with different pH solutions for 15 h. The physico-mechanical properties of the marble were determined in both acidic and alkaline conditions. The study revealed that the strength properties are higher at pH 7 and lower in acidic and alkaline conditions. The strength reduction in acidic conditions is greater than that in the alkaline conditions.
Résumé
Les caractéristiques physiques et mécaniques des roches jouent un rôle important dans la conception des ouvrages de génie civil ou minier. Ces propriétés se dégradent dans les environnements acides et alcalins. Dans cette étude, des échantillons de marbre ont été testés au laboratoire après traitement par des solutions de différents pH pendant 15 jours. Les caractéristiques physiques et mécaniques de ces marbres ont été déterminées à la fois en conditions acides et alcalines. L’étude a révélé que les propriétés de résistance sont plus fortes à pH 7 et plus faibles en conditions acides et alcalines. La perte de résistance est plus grande en conditions acides qu’en conditions alcalines.
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Singh, T.N., Sharma, P.K. & Khandelwal, M. Effect of pH on the physico-mechanical properties of marble. Bull Eng Geol Environ 66, 81–87 (2007). https://doi.org/10.1007/s10064-006-0047-0
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DOI: https://doi.org/10.1007/s10064-006-0047-0