penetration macadam

penetration macadam

[‚pen·ə′trā·shən mə′kad·əm]
(materials)
A paving material consisting of crushed stone in two sizes bound together by asphalt or tar.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Base Construction, Leveling, and Surface Courses - There are seven types of asphalt tennis courts: Impervious non-cushioned asphalt - hot mix; impervious non-cushioned asphalt - emulsified asphalt mix; impervious non-cushioned asphalt - hot plant and emulsified asphalt mix combination; impervious non-cushioned asphalt - penetration macadam; impervious cushioned asphalt bound - hot leveling course and hot cushioned course; impervious cushioned asphalt bound - cold leveling course and cold cushioned course.