Base

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BASE. Something low; inferior. This word is frequently used in composition; as base court, base estate, base fee, &c.

References in periodicals archive ?
While past research has basically centered on the strength and durability properties of base course with RAP, this research investigates the bearing capacity and permeability properties.
Analysing the highest temperature distribution in structural pavement layers in 2010-2011 the highest temperatures were found on the 17th of July at the asphalt pavement surface (+52.75[degrees]C); in the asphalt surface layer (+52.20[degrees]C); at the interface of the asphalt surface and base courses (+49.41[degrees]C); at the interface of the asphalt binder and asphalt base courses (+46.13[degrees]C); in the asphalt base course (+44.72[degrees]C); at the interface of the asphalt base course and road base from crushed dolomite mix (+39.21[degrees]C) and in the subgrade (+27.65[degrees]C) on the 18th of August.
Recycled concrete's most common use on highway job sites remains as a base course, for which AASHTO also has a specification.
Development of a Rational and Practical Mix Design System for Full Depth Reclamation (FDR): Full depth reclamation is an asphalt pavement recycling technique in which the asphalt layer and part of the unbound sub-layer are processed in place and then put down as a stabilized base course.