Hot Rolled Asphalt and Asphalt Concrete (Macadam) - Ministry of ...
Hot Rolled Asphalt and Asphalt Concrete (Macadam) - Ministry of ...
Hot Rolled Asphalt and Asphalt Concrete (Macadam) - Ministry of ...
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Surface Course The layer <strong>of</strong> the asphalt surfacing immediately<br />
below the porous friction course or which<br />
directly supports the traffic. (Previously called<br />
‘Wearing Course’).<br />
Tack Coat A thin film <strong>of</strong> bitumen emulsion to improve the<br />
adhesion between two courses <strong>of</strong> asphalt or<br />
between an existing surface <strong>and</strong> a new<br />
asphalt layer.<br />
Thin (<strong>Asphalt</strong>) Surfacing<br />
System<br />
A proprietary asphalt product with suitable<br />
properties to provide a surface course that is<br />
laid at a nominal depth <strong>of</strong> less than 50 mm<br />
(previously limited to 40 mm).<br />
Uncrushed Aggregate Aggregate resulting from the natural<br />
disintegration <strong>of</strong> rock.<br />
Wearing Course Previous name for ‘Surface Course’.<br />
(NOTE. This glossary is common to all DE Specifications for asphalt <strong>and</strong> concrete<br />
pavement materials <strong>and</strong> the Project Manager should delete any terms not applicable to a<br />
particular project <strong>and</strong> should add any terms necessary due to the particular nature <strong>of</strong> that<br />
project.)<br />
viii July 2010
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