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Deep scour hole created by water from drainage tile above

Project DetailsLocation: : Sterling Heights, MIApplication: Culvert Outlet Washout RepairClient: Michigan Dept. of TransportationProduct Used: CC8, 350 sfInstallation: 2012

Concrete Cloth GCCM was an ideal erosion control solution as it created a small down chute to channel water to the bottom of a slope. The entire project was completed in two days, saving both time and money for the asset owner.

CASE STUDY

CC1017-0216

Project OverviewWater from a drainage tile and a culvert created a deep scour hole on the face of a 3 on 1 slope in the median of M-53 between the two bridges over the Clinton River in Sterling Heights, Michigan. The nearby maintenance garage believed that water leaking from the drainage tile near the top of the slope started the erosion. The erosion proceeded downward toward the culvert, which was buried deeper down the slope.

The Michigan Department of Transportation (“MDOT”) decided to use Concrete Cloth CC8 to repair the site by creating a small down chute. This spillway would channel water to the bottom of the slope where a pile of riprap would slow the water flow and reduce further erosion.

SolutionConcrete Cloth GCCM was chosen for this site. MDOT used this project as a demonstration of the product and to learn how to install and manipulate the product.

On the first day of the installation, site preparation consisted of connecting the drainage tile to the culvert below with a new section of pipe. The scour hole was then filled and the slope was graded using an excavator. Stones and boulders that were found on the site during re-grading were separated for use later as rip rap at the bottom of the new spillway to be constructed on day two.

Work began on day two by attaching an outlet structure to the end of the culvert. Concrete Cloth GCCM was attached to the outlet structure with screws, then the product was rolled down the slope and laid into the spillway that was graded earlier. The outside edges and the downslope end of the Concrete Cloth material were buried and the downslope end was covered with rip rap. Installation was completed within two hours, and hydration began, using a water truck. The full project was completed within three hours.

ResultsThe Michigan Department of Transportation was satisfied with this demonstration project and is considering Concrete Cloth for another erosion control project in the near future.

Milliken Infrastructure

Concrete Cloth™

Geosynthetic Cementitious Composite Mat (GCCM)

CASE STUDY

CC1017-0416

Milliken Infrastructure

Concrete Cloth™

Geosynthetic Cementitious Composite Mat (GCCM)

Site preparation prior to installation Concrete Cloth installed to channel water towards rip rap

Concrete Cloth material being hydrated Post-installation of Concrete Cloth GCCM

One-year post installation