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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 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. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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