Abstract
Engineering properties of sands mainly depend on the integrity of the particles, which in turn has a strong bearing on their crushing strength. Seven different Aegean sands were tested for mineralogy, particle shape, size and specific gravity and the influence of aspect ratio, particle composition, particle shape and size on the crushing strength was examined. As the Aegean sands have a small range of sphericity and roundness, crushing strength tests were also performed on five Anatolian sands. A multiple regression analysis was carried out and an equation proposed to determine the crushing strength value of the Aegean sands. The computed values were found to be in good agreement with those obtained from the experimental investigations. It is concluded that the equation is sufficiently accurate to be a useful, time- and cost-effective way of obtaining crushing strength estimations at the preliminary stage of site investigations.
Résumé
Les propriétés géotechniques de sables dépendent principalement de l’intégrité des particules qui est fortement en rapport avec leur résistance à l’écrasement. Sept sables égéens différents ont été analysés quant à la nature minéralogique des grains, la forme et la taille de particules et leur densité. Les influences de la composition des particules, de leur forme et de leur taille sur la résistance à l’écrasement ont été étudiées. Comme les sables égéens présentent des sphéricités et des émoussés peu variables, des essais d’écrasement ont aussi été réalisés sur cinq sables anatoliens. Une analyse par régression multiple a été réalisée et une équation proposée pour déterminer la résistance à l’écrasement des sables égéens. Les valeurs calculées sont apparues en bon accord avec les valeurs mesurées. On conclut que l’équation est suffisamment précise pour fournir des estimations utiles et peu coûteuses de la résistance à l’écrasement dans le contexte d’études préliminaires de site.
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Erzin, Y., Patel, A., Singh, D.N. et al. Factors influencing the crushing strength of some Aegean sands. Bull Eng Geol Environ 71, 529–536 (2012). https://doi.org/10.1007/s10064-012-0424-9
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DOI: https://doi.org/10.1007/s10064-012-0424-9