Lee Roy Selmon Expressway
![Bottom Feed stone column rig on Liebherr 843](https://www.betterground.com/wp-content/uploads/2016/04/Screen-Shot-2016-04-09-at-18.03.33.png)
![](https://www.betterground.com/wp-content/uploads/2016/04/DSC00913-1.jpg)
![Aerial view of the site](https://www.betterground.com/wp-content/uploads/2016/04/AerialWEST.jpg)
Increase shear strengh of soft clayey and silty soils before a new road embankment is built. Provide accelerated drainage in the stone column treated soil to prevent buildup of too high excess pore pressures during fill of embankment.