Science Fair Project Encyclopedia
Subgrade
In highway engineering, subgrade is the native material underneath a constructed pavement.
Subgrades are commonly compacted before the construction of a pavement, and are sometimes stabilized by the addition of asphalt, portland cement or lime.
03-10-2013 05:06:04
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details


