THE CHALLENGE: Excavation revealed different geotechnical conditions onsite from original design
Sometimes, best-laid plans can go awry. That’s the case with the retaining wall needed to create space for a new hangar for the governor’s airplane at John C. Tune Airport in Nashville, Tennessee. Excavation for the cut wall opened up a can of geotechnical worms.
“It was originally scheduled to be a gravity Redi-Rock retaining wall. That’s what it was spec’d at,” said Irvin Vittitow, owner of Redi-Rock of K.I.T., the manufacturer and installer for the project. However, when site contractor Civil Constructors, LLC, started excavation it was
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