WebBulk Specific Gravity (SSD) (Gsb SSD) – the ratio of the mass, in air, of a volume of aggregate, including the mass of water within the voids filled to the extent achieved by submerging in water for 15 to 19 hours (but not including the voids between particles), to the mass of an equal volume of gas-free distilled water at a stated temperature. WebDec 27, 2016 · Relative density (specific gravity) is also used in the computation of voids in aggregate in Test Method C29/C29M. Relative density (specific gravity) (SSD) is used if the aggregate is in a saturated-surface-dry condition, that is, if its absorption has been satisfied. Alternatively, the relative density (specific gravity) (OD) is used for ...
SPECIFIC GRAVITY AND ABSORPTION OF FINE …
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A Review of Aggregate and Asphalt Mixture Specific Gravity …
WebLa gravedad específica es la relación entre la densidad de un objeto y una sustancia de referencia. La gravedad específica nos puede decir, en función de su valor, si el objeto … WebJun 11, 2024 · The difference between Gsb and bulk (SSD) specific gravity is the weight of aggregate used in the calculations. The difference between these weights is the weight of absorbed water in the aggregate’s permeable voids. Both use the same aggregate volume. WebBulk Specific Gravity (SSD) = Where: S = Weight in grams of aggregate in a saturated-surface-dry condition. P = Weight in grams of the pycnometer filled with water. W = Weight in grams of the pycnometer containing the sample and sufficient water to fill the remaining space in the pycnometer. ... theaters for rent