Ultrathin Portland Cement Concrete Overlay Extended Evaluation, Interim Report, TR-432, 2002

(2002) Ultrathin Portland Cement Concrete Overlay Extended Evaluation, Interim Report, TR-432, 2002. Transportation, Department of

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TR-432 UltrathinOverlaysSummary.pdf

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Abstract

The Iowa Department of Transportation (Iowa DOT) UTW Project (HR-559) initiated Ultra-Thin Whitetopping in Iowa. The project is located on Iowa Highway 21 between Iowa Highway 212 and U.S. Highway 6 in Iowa County, near Belle Plaine, Iowa. The above listed research project lasted for five years, and then was extended for another five year period. The new phase of the project (TR 432) was initiated by removing cracked panels existing in the 2-inch thick PCC sections and replacing them with three inches of PCC. The project extension provides an increased understanding of slab bonding conditions over a longer period, as well as knowledge regarding the behavior of the newly rehabilitated areas. This report documents the rehabilitation of the PCC patching of all fractured panels and several cracked panels, taking place in September of 2001.

Item Type: Departmental Report
Keywords: Asphalt cement, Asphalt concrete, Base course (Pavements), Bonding, Budgeting, Cracking, Deflection, Evaluation, Fibers, Installation, Overlays (Pavements), Pavement design, Performance, Portland cement concrete, Rehabilitation (Maintenance), Slabs, Surface course (Pavements), Test sections, Thickness, Ultra-thin whitetopping
Subjects: Transportation > Pavements
Transportation > Pavements > Asphalt
Transportation > Pavements > Concrete
Transportation
Transportation > Roads and highways
Transportation > Research
Transportation > Design and Construction
Transportation > Maintenance and preservation
ID Code: 19960
Deposited By: Iowa DOT Library
Deposited On: 30 Jun 2015 12:26
Last Modified: 23 Jan 2018 14:24
URI: http://publications.iowa.gov/id/eprint/19960