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Weathering and its relation to geomechanical properties of Cavusbasi granitic rocks in northwestern Turkey

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Abstract.

The effect of mainly mechanical weathering on the granodiorites, granites and quartz diorites of the Cavusbasi area of northwest Turkey are described, the samples having been taken from cores and field exposures. The primary characteristics of these rocks are affected by the weathering process which results in a significant constraint on their use in engineering works. The tests undertaken on samples in the various weathering grades included point load and uniaxial compressive strength, slake durability, porosity, loss on ignition, dry and saturated unit weight and water absorption. A tentative correlation between these properties is presented.

Résumé.

Les effets de l'altération météorique, principalement d'origine physique, sur les granodiorites, granites et diorites quartziques de la région de Cavusbasi au nord-ouest de la Turquie sont décrits, leséchantillons provenant de carottes de sondages et d'affleurements naturels. Les propriétés principales de ces roches sont affectées par les processus d'altération, ce qui limite leur domaine d'utilisation possible dans les travaux d'ingénierie. Les tests réalisés sur des échantillons présentant divers états d'altération comprennent les essais de résistance entre pointes et compression simple, l'essai d'altérabilité, les mesures de porosité, de "perte au feu", de poids spécifiques sec et saturé, et l'essai d'absorption d'eau. Des corrélations entre ces propriétés sont présentées.

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Arel, .E., Tugrul, .A. Weathering and its relation to geomechanical properties of Cavusbasi granitic rocks in northwestern Turkey. Bull Eng Geol Environ 60, 123–133 (2001). https://doi.org/10.1007/s100640000091

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  • DOI: https://doi.org/10.1007/s100640000091

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