TH 241 Column-Supported Embankment

A pile-supported embankment constructed on TH 241 near St. Michael, Minnesota was instrumented with 48 sensors, including strain gages on the piles and on the geogrid, as well as earth pressure cells and settlement systems near the base of the embankment. Pile-supported embankments are relatively novel structures employed largely at bridge approaches and highway expansions where soft soils would otherwise lead to unacceptably large differential...