base course


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base course

[′bās ‚kȯrs]
(building construction)
The lowest course or first course of a wall.
(civil engineering)
The first layer of material laid down in construction of a pavement.

Base course

The lowest course on a masonry wall or pier, may also be part of the footing.

base course

1. A foundation or footing course, as the lowest course in a masonry wall.
2. A layer of selected material of planned thickness, constructed on the subgrade or subbase for the purpose of serving one or more functions such as distributing load, providing drainage, minimizing frost action, etc.
3. The lowest layer in a pavement construction.

base course

The layer(s) of a specified material of designed thickness placed on a sub-base or subgrade to support the surface course. The base course and subgrade are structural elements of the pavement. In conjunction with the overlying asphalt surface, their purpose is to distribute traffic wheel loads over the whole foundation. Also called a base.
References in periodicals archive ?
To secure a minimum life time of a pavement construction, the thickness of the base course was the main variable to accommodate the traffic loading.
Tenders are invited for Improvement of Formation Deficiency, C/o Retaining and Breast Walls, C/o Cross Drainage Works, Providing and Laying Khazranja Soling, Sub Base Course (G-l), Base Course (G-ll & G-lll), Providing Tarring Work, Road Side Drain and Essential Parapets in Km.
Grading, storm sewer, aggregate base course, hot mixed asphalt pavement, Portland cement concrete
Included in the Bid are additive alternate bid items including approximately, 100 LF of exfiltration trench, and 42 CY of lime rock base course.

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