Project Brief geocomp.com I-295 Column Supported Embankments Background & Project Challenges The Iowa DOT together with the FHWA commenced a research project in May 2004 to validate the design methods for column- supported embankments (CSE). The project comprised two full- scale test sections in a new highway embankment on I-295 located in Des Moines, Iowa. The objectives of the instrumentation program for the column-supported embankme

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