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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Glossary <strong>of</strong> Technical Terms<br />
Added Filler Filler aggregate that is additional to that<br />
inherent in the course <strong>and</strong> fine aggregate<br />
Aggregate / Cement<br />
Ratio<br />
The ratio between the total mass <strong>of</strong><br />
aggregate, including the mass <strong>of</strong> any<br />
absorbed water, in a concrete mix <strong>and</strong> the<br />
mass <strong>of</strong> cement in the mix.<br />
<strong>Asphalt</strong> A mixture <strong>of</strong> coarse <strong>and</strong> fine aggregate, filler<br />
aggregate <strong>and</strong> bituminous binder used in the<br />
construction <strong>of</strong> flexible pavements for roads<br />
<strong>and</strong> airfields.<br />
<strong>Asphalt</strong> <strong>Concrete</strong> An asphalt mixture consisting <strong>of</strong> continuous<br />
graded aggregate, filler aggregate <strong>and</strong><br />
bituminous binder proportioned to produce a<br />
dense <strong>and</strong> impermeable surfacing.<br />
<strong>Asphalt</strong> Surfacing A porous friction course, surface course, or a<br />
combination <strong>of</strong> these, <strong>and</strong> a binder course.<br />
<strong>Asphalt</strong>ic <strong>Concrete</strong> Alternative name for ‘<strong>Asphalt</strong> <strong>Concrete</strong>’.<br />
Base Structural layer(s) <strong>of</strong> a pavement immediately<br />
below the Binder Course that are bound.<br />
Basecourse Previous name for ‘Binder Course’.<br />
Bay (<strong>of</strong> <strong>Concrete</strong>) The area <strong>of</strong> slab bounded by adjacent pairs <strong>of</strong><br />
longitudinal <strong>and</strong> transverse joints or grooves.<br />
Bay Layout The pattern <strong>of</strong> joints <strong>and</strong> grooves on a<br />
concrete pavement.<br />
Binder A material used for the purpose <strong>of</strong> holding<br />
solid particles together as a coherent mass.<br />
Binder Course The layer or layers <strong>of</strong> the asphalt surfacing<br />
immediately below the surface course.<br />
(Previously called ‘Basecourse’).<br />
Bitumen Binder obtained from crude oil by refinery<br />
processes.<br />
Bitumen Emulsion An emulsion in which bitumen is dispersed in<br />
water or in aqueous solution with the aid <strong>of</strong><br />
suitable emulsifying agents.<br />
Bitumen <strong>Macadam</strong> See ‘<strong>Macadam</strong>’.<br />
July 2010 iii