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Case Studies

The IGGA offers case studies on pavement surfacing techniques and preservation/repair methods. Select the application(s), preservation/optimization technique(s) or pavement criteria/issue(s) to browse the case studies, or use the search function.

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CPR: Rebuilt to Last: Salt Lake City Concrete Pavement Restoration

In downtown Salt Lake City, Industrial Road at California Avenue required repair. The methods chosen were soil foundation stabilization, slabjacking, slab replacement, stitch-in-time crack repair, dowel bar retrofit (DBR), diamond grinding and joint resealing. The combination of using high density expansive polymers in conjunction with other concrete pavement preservation techniques including dowel bar retrofit and diamond grinding should extend the life of this pavement for approximately 15-20 years.

Application(s)

Industrial

Technique(s)

Concrete Pavement Preservation and Restoration, Diamond Grinding, Dowel Bar Retrofit, Full & Partial Depth Repair, Joint and Crack Resealing, Slab Stabilization

Issue(s)

Structural/Material Issues

CPR: Rebuilt to Last: Interstate 280 Bridge, San Francisco, California

California faces a unique challenge when it comes to repairing its bridge structures. The quantity of bridges and the prevalence of earthquakes presents challenges. Bridge hinges (joints designed to accommodate thermal movement) on the Southern Freeway Viaduct were showing signs of disintegration. The work included demolition of the concrete around the old bridge hinge, removal of the hinge, installation of a new bridge hinge and the placement of new rapid strength concrete.

Application(s)

Bridge

Technique(s)

Full & Partial Depth Repair

Issue(s)

Structural/Material Issues

CPR: Rebuilt to Last: White Bear Lake Highway 61 CPR repairs last 22 years

US Highway 61 travels through White Bear Lake, MN. In 1987, it required full depth repair and partial depth repair, diamond grinding, re-saw and seal with silicone in the transverse joints and hot pour sealant in the longitudinal joints. The Concrete Pavement Restoration (CPR) methods performed more than two decades ago are still in good condition, lasting longer than originally predicted.

Application(s)

Highway

Technique(s)

Diamond Grinding, Full & Partial Depth Repair, Joint and Crack Resealing

Issue(s)

Structural/Material Issues

CPR: Rebuilt to Last: Concrete Patching and Maintenance for I-84 in Box Elder County, UT

The Utah Department of Transportation (UDOT) carefully considered a variety of options to repair the 20-year-old concrete pavement on I-84 in Box Elder, UT. The methods selected included dowel bar retrofit (DBR), diamond grinding, full depth repair, partial depth repair, slab jacking and joint resealing. This newly rehabilitated highway will provide a safe, smooth and durable surface for many years to come.

Application(s)

Highway

Technique(s)

Concrete Pavement Preservation and Restoration, Diamond Grinding, Dowel Bar Retrofit, Full & Partial Depth Repair, Joint and Crack Resealing, Slab Stabilization

Issue(s)

Smoothness, Structural/Material Issues

CPR: Rebuilt to Last: National Highway Route 60/MT200 in Great Falls, MT

The National Highway Route 60/MT200 is a four-lane highway located in Great Falls, MT that connects several small towns in central and eastern areas of the state. The project to make the roadway smooth and safe for drivers involved repairing approximately 12 lane mines of nine-inch Portland Cement Concrete (PCC). Methods included dowel bar retrofit, full depth repair, partial depth repair, diamond grinding and resealing. The project proved to be a cost-effective solution.

Application(s)

Highway

Technique(s)

Concrete Pavement Preservation and Restoration, Diamond Grinding, Dowel Bar Retrofit, Full & Partial Depth Repair, Joint and Crack Resealing

Issue(s)

Structural/Material Issues, Sustainability/Environmental

CPR: Rebuilt to Last: Interstate 15, Ogden, UT

In 2013, the Utah Department of Transportation (UDOT) began concrete rehabilitation on a 15-mile stretch of Interstate 15 in Ogden, UT. Concrete Pavement Preservation (CPP) methods selected for the project included partial and full panel patching, slab jacking, resealing, dowel bar retrofit (DBR) and diamond grinding. UDOT provided a safe, smooth ride while reducing costs.

Application(s)

Highway

Technique(s)

Diamond Grinding, Dowel Bar Retrofit

Issue(s)

Structural/Material Issues

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