Click to go to 7-page MAP Brief
The new Fall Quarter NC² Moving Advancements into Practice (MAP) Brief titled “Overview of Cement-Stabilized Subgrade Soils” is now available from the NC² Resource Library. This MAP brief summarizes Gross and Adaska’s recent publication that is an outcome of CP Tech Center collaboration with the Portland Cement Association (PCA).
For the MAP Brief Fall 2020 Overview of “Cement-Stabilized Subgrade Soils”, please click on image of title page above, or go to: https://intrans.iastate.edu/app/uploads/2020/09/MAPbriefFall2020.pdf
Since beginning in May 2010 under the former CP Road Map, MAP Briefs have served as a concise quarterly channel of concrete pavement technology transfer, describing promising research and technologies that can be used now to enhance concrete paving practices. For the ISCP article titled “History of the CP Road Map”, please go to: https://www.concretepavements.org/2020/05/14/history-of-the-cp-road-map/
Featured FHWA Concrete Clips: This quarter features the 2 Concrete Clips addressing Blended Cements and Supplementary Cementitious Materials.
Learn more about . . . Concrete Patching:
This quarter, CP Tech is featuring an example search on the topic of concrete pavement patching. The list below shows the first several articles from the search results. The Concrete Infrastructure Research Database of in-progress and recently completed research allows easy search of curated research related to concrete pavements and bridge decks across the US from the previous 5 years. Originally developed under the former CP Road Map, research included in the database is identified from the Transportation Research Board (TRB) list of Research in Progress (RiP), newsletters from across the concrete industry, and agency websites.
NEWS FROM THE ROAD highlights recently completed research around the country that is helping the concrete pavement community meet the research priorities outlined by the NC²-member states. The research projects and the summaries described herein are the product of the researcher and sponsor(s). For all of the news articles below, please click on link in the “Read More” prompt or go to: https://mailchi.mp/b5c3614d0601/fall-2020-nc2-news
Click to go to report
Effects of Concrete Age on Coefficient of Thermal Expansion of Paving Mixes and Its Significance in Unbonded Overlay Design—With the advancement in rigid pavement design and advent of AASHTOWare Pavement Mechanistic-Empirical (ME) Design (American Association of State Highway and Transportation Officials, Washington, DC) as the latest design tool, increasing emphasis is being laid on the coefficient of thermal expansion (CTE) of concrete. The CTE affects the performance of rigid pavements in a significant manner, with a higher CTE corresponding to greater curling and resulting in greater pavement distresses … Read More
Click to go to report
Strategies for Concrete Pavement Preservation (Interim Report)—The use of the term “preservation” for concrete pavements is somewhat of a misnomer in that many preservation treatments are actually stop-gap measures used to address visible signs of deterioration in the existing pavement. This report redefines the term concrete pavement preservation as “preserving the existing concrete pavement structure to extend its service life for as long as possible, by arresting, greatly diminishing, or avoiding the pavement deterioration process.” … Read More
Click to enlarge
Nondestructive Corrosion Evaluation of Reinforced Concrete Bridge Decks with Overlays: An Experimental Study—Concrete corrosion induced by deicing agents can decrease the durability of concrete bridge decks by causing cross-sectional loss of reinforcement, concrete delamination, and spalling owing to the expansion of corroded reinforcement. The installation of overlays can extend the service life of the deteriorated decks. This laboratory study employed 3 nondestructive testing (NDT) methods to assess the effects of seven types of overlays on corrosion evaluation for concrete bridge decks … Read More
Click to download report
Field Implementation of Compacted Concrete Pavement—The main objective of this research was to investigate the performance of Compacted Concrete Pavement (CCP) with special surface texture design features that can reduce construction cost and secure safe and durable surface texture. This research was part of a larger project undertaken by the City of Mexico, Missouri, in collaboration with the Missouri Department of Transportation (MoDOT). … Read More
For all ARCHIVED NCC E-News, please go to: https://cptechcenter.org/nc2-news/
To find out more about the CP Road Map, or to get involved, contact:
Steve Tritsch, HCE Services, Inc.
E-mail: stritsch@iastate.edu | Phone: 515-294-3230
Address: CP Tech Center | 2711 S Loop Drive • Suite 4700 | Ames, IA 50010
The NC² E-News, originally the quarterly newsletter of the former CP Road MAP program, overviews new developments in concrete pavement research and technology from around the country.