Buckeye Lake State Park Buckeye Lake Dam Improvements Soil Mix Cutoff Wall

As part of the project, the stability berm was produced using approximately 382,000 cubic yards (292,059 cubic meters) of local bank material. A cutoff wall was also installed to serve as a new seepage barrier. The cutoff wall was created using soil-mixing machinery, which included two Raito rigs and a Dewind One-Pass trencher positioned at Liebs Island and North Shore.

The machines operated two shifts daily, working six to seven days a week. Teams used mixing paddles (augers) to penetrate the ground to approximately 40 ft. (12 m) and mix grout with the soil around it. The Dewind machine had a 50-ft. (15 m) cutting boom for trenching and mixing the injected grout vertically simultaneously. Furthermore, a 2015 Diedrich D-50 Turbo truck-mounted drill rig was employed to perform vertical verification of core borings of the cutoff wall.