open-graded aggregate

open-graded aggregate

An aggregate containing little or no mineral filler, or in which the void spaces in the compacted aggregate are relatively large.
References in periodicals archive ?
Openings between the pavers are filled with an open-graded aggregate, usually a 0.
5 centimeters) of class A, washed, open-graded aggregate (both crushed and uncrushed were tested) beneath them, except for the alley with the center trench, which had 5 feet (1.
On a road of open-graded aggregate (stone), much of that material would seep down into the pavement and soil, and the community of microorganisms living there would begin a rapid breakdown process.