coarse aggregate

coarse aggregate

[′kȯrs ′ag·rə·gət]
(materials)
Crushed stone or gravel used in concrete; will not, when dry, pass through a sieve with ¼-inch-diameter (6-millimeter) holes.

coarse aggregate

Aggregate retained on a 4.76-mm (No. 4) sieve. Also see crushed gravel, crushed stone, gravel, pea gravel.
References in periodicals archive ?
They become a partial substitute for fine and coarse aggregate in cement-based mixtures.
The project will involve the placing of more than 20,000 tonnes of asphalt, and requires a 64mm-thick base layer of coarse aggregate stone.
The strength of OSA binders was tested using OSA mortar and concrete specimens made with fine or coarse aggregate in OSA: aggregate proportions of 1:3, 3:1 or 1:1 and under different hardening conditions.
Measured values of splitting tensile strength of copper slag coarse aggregate concretes were higher than those predicted by ACI equation.
Due to the geometry of coarse aggregate, the surface of aggregate does not get close to the form or to its corners.
It was stated by Skripkiunas (2006) that if the concentration of coarse aggregate increases, the yield stress of concrete mixture decreases proportionally.
Areas where the coarse aggregate was exposed in the previous studies had lost additional cement paste due to microbial induced corrosion (MIC) such that the coarse aggregate was now projecting.
Another research carried out in Turkey by Ahmedzade and Sengoz (2009) presents the impact of steel slag as a coarse aggregate on the properties of hot mix asphalt.
Most aggregate operations will define at least three standard operating modes generally intended to maximize yield of coarse aggregate sizes, medium aggregate sizes or fine aggregate sizes.
These samples contained the granite coarse aggregate that is preferred for concrete bridge decks, although with smaller average size.
Findings indicate that an aggregate material that meets many CDOT specifications could be prepared often at a lower cost by combining the reclaimed materials with a coarse aggregate supplement.