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- 2005410198 abstract "Hydraulic cement concrete overlays are usually placed on bridges to reduce the infiltration of water and chloride ions and to improve skid resistance, ride quality, and surface appearance. Constructed in accordance with prescription specifications, some overlays have performed well for more than 30 years whereas others have cracked and delaminated before the overlay was opened to traffic. The use of performance specifications should increase the probability that concrete overlays will be constructed with high bond strengths and minimal cracks and will perform well for many years. The report describes the Virginia Department of Transportation's (VDOT) first experience with the use of a performance specification for the construction and acceptance of a high performance concrete overlay. Acceptance and payment were based on measurements for air content, compressive strength, permeability to chloride ion, and bond strength. Target air contents, high compressive strengths, low permeability, and good bond strengths were maintained throughout the project. Performance specifications with adjustments to the compensation specified in the contract likely influenced decisions made by the contractor and material supplier, and VDOT obtained a better product. VDOT should use the performance specification developed for this project for future bridge overlay projects.".
- 2005410198 contributor B10275412.
- 2005410198 contributor B10275413.
- 2005410198 created "2004.".
- 2005410198 date "2004".
- 2005410198 date "2004.".
- 2005410198 dateCopyrighted "2004.".
- 2005410198 description "Final report; 7/1/03-6/30/04.".
- 2005410198 description "Hydraulic cement concrete overlays are usually placed on bridges to reduce the infiltration of water and chloride ions and to improve skid resistance, ride quality, and surface appearance. Constructed in accordance with prescription specifications, some overlays have performed well for more than 30 years whereas others have cracked and delaminated before the overlay was opened to traffic. The use of performance specifications should increase the probability that concrete overlays will be constructed with high bond strengths and minimal cracks and will perform well for many years. The report describes the Virginia Department of Transportation's (VDOT) first experience with the use of a performance specification for the construction and acceptance of a high performance concrete overlay. Acceptance and payment were based on measurements for air content, compressive strength, permeability to chloride ion, and bond strength. Target air contents, high compressive strengths, low permeability, and good bond strengths were maintained throughout the project. Performance specifications with adjustments to the compensation specified in the contract likely influenced decisions made by the contractor and material supplier, and VDOT obtained a better product. VDOT should use the performance specification developed for this project for future bridge overlay projects.".
- 2005410198 description "Includes bibliographical references (p. 14-15).".
- 2005410198 description "Performed by Virginia Transportation Research Council for Virginia Department of Transportation and U.S. Federal Highway Administration under contract no. 68708".
- 2005410198 extent "iii, 23 p. :".
- 2005410198 hasFormat "Also available online (Adobe Acrobat Reader required) via the Virginia Transportation Research Council website http://www.virginiadot.org/vtrc/main/index%5Fmain.htm.".
- 2005410198 identifier 05-r2.pdf.
- 2005410198 isFormatOf "Also available online (Adobe Acrobat Reader required) via the Virginia Transportation Research Council website http://www.virginiadot.org/vtrc/main/index%5Fmain.htm.".
- 2005410198 isPartOf "VTRC (Series) ; 05-R2.".
- 2005410198 isPartOf "VTRC ; 05-R2".
- 2005410198 issued "2004".
- 2005410198 issued "2004.".
- 2005410198 language "eng".
- 2005410198 publisher "Charlottesville, Va. : Virginia Transportation Research Council ; [Springfield, Va. : Available to the public through NTIS],".
- 2005410198 relation "Also available online (Adobe Acrobat Reader required) via the Virginia Transportation Research Council website http://www.virginiadot.org/vtrc/main/index%5Fmain.htm.".
- 2005410198 spatial "Virginia.".
- 2005410198 subject "624.2/0284 22".
- 2005410198 subject "Bridge decks. trt".
- 2005410198 subject "Concrete bridges Floors Specifications Virginia.".
- 2005410198 subject "Concrete overlays. trt".
- 2005410198 subject "Pavements Overlays Specifications.".
- 2005410198 subject "Pavements Performance.".
- 2005410198 subject "Performance based specifications. trt".
- 2005410198 subject "TG325.6 .S67 2004".
- 2005410198 title "Performance specification for high performance concrete overlays on bridges / Michael M. Sprinkel.".
- 2005410198 type "text".