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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: Roosevelt Roads Naval Base runway repairs, Ceiba, Puerto Rico

In 2001, the U.S. Navy sought to repair the 11,000-foot runway that served the Navy's Atlantic air fleet. The project employed partial depth repair, full depth repair, sawing, stripping, and joint resealing. The result for the naval base was a quality runway that will provide safe, economical service for many years into the future.

Application(s)

Airport/Airfield

Technique(s)

Full & Partial Depth Repair, Joint and Crack Resealing

Issue(s)

Friction/Safety

CPR: Rebuilt to Last: US Route 52, Rivers Avenue, Charleston, SC

U.S. Route 52 in Charleston, SC, needed maintenance. Given the generally good structural condition of the pavement, a decision was made to rehabilitate the original concrete using a non-overlay solution. The project consisted of 8-inch full depth concrete patching, diamond grinding, joint cleaning and joint sealing, and asphalt median milling and resurfacing. The final product was an enormous improvement from previous conditions.

Application(s)

City/Municipal

Technique(s)

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

Issue(s)

Structural/Material Issues

CPR: Rebuilt to Last: Interstate 10, San Bernardino, CA

During the summer of 2010, the California Department of Transportation (Caltrans) programmed a section of I-10 in San Bernardino for rehabilitation. A pavement preservation method of surface repair, known as partial depth repair (PDR), was chosen to address the pavement deterioration. It was repaired using an environmentally-friendly fly-ash, CeraTech D.O.T. Lime rapid repair concrete. The overall success of the project resulted in improving ride quality and comfort, decreasing wear and tear, and extending the pavement's service life.

Application(s)

Highway

Technique(s)

Full & Partial Depth Repair

Issue(s)

Structural/Material Issues

CPR: Rebuilt to Last: Arterial Street Rehabilitation in Ames, IA

In early 2009, engineers for the City of Ames, IA, recognized that the two roads that cross through the heart of the town as well as the campus (Stange Road and 24th Street) were in desperate need of repair. Although the City of Ames traditionally uses an asphalt overlay for this type of repair, they instead opted to use concrete pavement restoration (CPR) with diamond grinding. The methods selected were full depth repair and diamond grinding followed by joint resealing. The city has realized that CPR is the sustainable, cost effective maintenance answer for their concrete pavement.

Application(s)

City/Municipal

Technique(s)

Concrete Pavement Preservation and Restoration, Diamond Grinding

Issue(s)

Smoothness

CPR: Rebuilt to Last: Concrete Pavement Preservation Gives New Life to Cook County, IL Streets

The Cook County, IL, Department of Transportation recognized that 175th Street was in need of repairs from the intersection at Kedzie Avenue to 500 feet east of Governors Highway. The County opted to use Class B patches and diamond grinding. The job was unique due in part to its innovative, two phase traffic control plan. The diamond grinding slurry was continuously collected with an onboard slurry vacuum and disposed of offsite at an approved disposal facility. These improvements will provide the County with approximately 15 more years of service before any other type of repair is needed.

Application(s)

City/Municipal

Technique(s)

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

Issue(s)

Smoothness, Structural/Material Issues

CPR: Rebuilt to Last: Diamond Grinding Test and Trial Project in Winnipeg, Manitoba, Canada

The City of Winnipeg in Manitoba, Canada completed its first diamond grinding project in the summer of 2008. Prior to diamond grinding, the streets were generally in good condition and had received full depth repairs and partial depth repairs. The result was smoother pavements that will last longer, and the experience gained from the project will be used to develop further projects.

Application(s)

City/Municipal

Technique(s)

Diamond Grinding

Issue(s)

Smoothness

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