Concrete Bridge Deck Performance
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Concrete Bridge Deck Performance
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Author : H. G. Russell
language : en
Publisher: Transportation Research Board
Release Date : 2004
Concrete Bridge Deck Performance written by H. G. Russell and has been published by Transportation Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Bridges categories.
At head of title: National Cooperative Highway Research Program.
Long Term Performance Of Polymer Concrete For Bridge Decks
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Author : David W. Fowler
language : en
Publisher: Transportation Research Board
Release Date : 2011
Long Term Performance Of Polymer Concrete For Bridge Decks written by David W. Fowler and has been published by Transportation Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Technology & Engineering categories.
TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 423: Long-Term Performance of Polymer Concrete for Bridge Decks addresses a number of topics related to thin polymer overlays (TPOs). Those topics include previous research, specifications, and procedures on TPOs; performance of TPOs based on field applications; the primary factors that influence TPO performance; current construction guidelines for TPOs related to surface preparation, mixing and placement, consolidation, finishing, and curing; repair procedures; factors that influence the performance of overlays, including life-cycle cost, benefits and costs, bridge deck condition, service life extension, and performance; and successes and failures of TPOs, including reasons for both.
High Performance Concrete Bridge Decks A Fast Track Implementation Study Volume 2 Materials
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Author : Mateusz Radlinski
language : en
Publisher: Purdue University Press
Release Date : 2008-11-01
High Performance Concrete Bridge Decks A Fast Track Implementation Study Volume 2 Materials written by Mateusz Radlinski and has been published by Purdue University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-11-01 with Transportation categories.
The purpose of this research was to examine the applicability of ternary binder systems containing ordinary portland cement (OPC), class C fly ash (FA) and silica fume (SF) for bridge deck concrete. This was accomplished in two parts, the laboratory part and a field application part. During the laboratory studies, four ternary mixtures, each containing either 20% or 30% FA and either 5% or 7% SF were subjected to four different curing regimes (air drying, 7 days curing compound application and 3 or 7 days wet burlap curing). In general, all four ternary mixtures exhibited very good water and chloride solution transport-controlling properties (resistance to chloride-ion penetration, chloride diffusivity and rate of water absorption). However, it was concluded that in order to ensure adequate strength, good freezing and thawing resistance, satisfactory resistance to salt scaling, and adequate shrinkage cracking resistance the FA content should not exceed 20%, SF content should not exceed 5% (by total mass of binder) and paste content should be kept below 24% by volume of concrete. Further, wet burlap curing for a minimum of 3 days was required to achieve satisfactory performance and to obtain a reliable assessment of in-situ compressive strength (up to 28 days) using maturity method. The second part of this research examined the performance of ternary concrete containing 20% FA and 5% SF in the pilot HPC bridge deck constructed in northern Indiana. Using maturity method developed for the purpose of this study, it was determined that the unexpectedly high RCP values of concrete placed late in the construction season were mostly attributed to low ambient temperature. Additional applications of the developed maturity method were also demonstrated. These include assessment of risk of scaling and reduction in time to corrosion initiation as a function of construction date, as well as estimation of long-term RCP values of concrete subjected to accelerated curing.
High Performance Concrete Bridge Deck Investigation
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Author : Benjamin A. Graybeal
language : en
Publisher:
Release Date : 2009
High Performance Concrete Bridge Deck Investigation written by Benjamin A. Graybeal and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Bridges categories.
This document is a technical summary of the unpublished Federal Highway Administration report, High Performance Concrete Bridge Deck Investigation, available only through the National Technical Information Service (NTIS). NTIS Accession No. of the report covered in this TechBrief: PB2009 115497. This TechBrief provides a summary of an investigation that assessed the performance of high performance concrete (HPC) bridge decks. HPC is a concrete designed to meet a performance specification. Many definitions of HPC have been proposed over the past 15 to 20 years; one to note is the definition proposed by Goodspeed and later expanded by Russell and Ozyildirim that offers a series of strength and durability related performance characteristics. It recommends that the desired performance of the concrete should be considered and that the performance characteristics should then be set accordingly. Example performance characteristics toward which concrete properties may be focused include chloride penetration, shrinkage, compressive strength, and freeze/ thaw deterioration resistance.
High Performance Concrete Bridge Decks A Fast Track Implementation Study Volume 1 Structural Behavior
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Author : Robert J. Frosch
language : en
Publisher: Purdue University Press
Release Date : 2008-11-01
High Performance Concrete Bridge Decks A Fast Track Implementation Study Volume 1 Structural Behavior written by Robert J. Frosch and has been published by Purdue University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-11-01 with Transportation categories.
Transverse cracking of concrete bridge decks is problematic in numerous states. Cracking has been identified in the negative and positive moment regions of bridges and can appear shortly after opening the structure to live loads. To improve the service life of the bridge deck as well as decrease maintenance costs, changes to current construction practices in Indiana are being considered. A typical bridge deck was instrumented which incorporated the following: increased reinforcement amounts, decreasing reinforcement spacing, and high-performance, low-shrinkage concrete. The low shrinkage concrete was achieved using a ternary concrete mix. The objective of this research was to determine the performance, particularly in terms of transverse cracking and shrinkage, of a bridge incorporating design details meant to reduce cracking. Based on measurements from the bridge, it was determined that maximum tensile strains experienced in the concrete were not sufficient to initiate cracking. An on-site inspection was performed to confirm that cracking had not initiated. The data was analyzed and compared with the behavior of a similarly constructed bridge built with nearly identical reinforcing details, but with a more conventional concrete to evaluate the effect of the HPC. Based on this study, it was observed that full-depth transverse cracks did not occur in the structure and that the use of HPC lowered the magnitude of restrained shrinkage strains and resulting tensile stresses.
In Service Performance Of Hp Concrete Bridge Decks
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Author : Frank T. Owens
language : en
Publisher:
Release Date : 1999
In Service Performance Of Hp Concrete Bridge Decks written by Frank T. Owens and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Bridges categories.
High Performance High Strength Lightweight Concrete For Bridge Girders And Decks
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Author : Thomas E. Cousins
language : en
Publisher: Transportation Research Board
Release Date : 2013
High Performance High Strength Lightweight Concrete For Bridge Girders And Decks written by Thomas E. Cousins and has been published by Transportation Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Architecture categories.
"TRB's National Cooperative Highway Research Program (NCHRP) Report 733: High-Performance/High-Strength Lightweight Concrete for Bridge Girders and Decks presents proposed changes to the American Association of State Highway and Transportation Officials' Load and Resistance Factor Design (LRFD) bridge design and construction specifications to address the use of lightweight concrete in bridge girders and decks. The proposed specifications are designed to help highway agencies evaluate between comparable designs of lightweight and normal weight concrete bridge elements so that an agency's ultimate selection will yield the greatest economic benefit. The attachments contained in the research agency's final report provide elaborations and detail on several aspects of the research. Attachments A and B provide proposed changes to AASHTO LRFD bridge design and bridge construction specifications, respectively; these are included in the print and PDF version of the report. Attachments C through R are available for download below. Attachments C, D, and E contain a detailed literature review, survey results, and a literature summary and the approved work plan, respectively. Attachment C; Attachment D ; Attachment E; Attachments F through M provide details of the experimental program that were not able to be included in the body of this report. Attachment F; Attachment G; Attachment H; Attachment I; Attachment J; Attachment K; Attachment L; Attachment M. Attachments N through Q present design examples of bridges containing lightweight concrete and details of the parametric study. Attachment N; Attachment O; Attachment P; Attachment Q. Attachment R is a detailed reference list."--Publication information.
Concrete Bridge Engineering
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Author : R J Cope
language : en
Publisher: CRC Press
Release Date : 1987-12-07
Concrete Bridge Engineering written by R J Cope and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987-12-07 with Architecture categories.
Nine chapters by a group of authors run from site investigation to assessment, repair, thermal response, structural types, and joints and substructures.
Performance And Service Life Of Low Slump Concrete Bridge Deck Overlays In New York
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Author : William P. Chamberlin
language : en
Publisher:
Release Date : 1990
Performance And Service Life Of Low Slump Concrete Bridge Deck Overlays In New York written by William P. Chamberlin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Bridges categories.
Fifty randomly selected concrete bridge decks in New York State, overlaid with low-slump concrete, were studied in 1985 after an average of 5 years of service. The investigation included recording surface defects, measuring delamination and half-cell potentials, and sampling and testing for deck chloride profile. Conclusions are drawn with regard to the nature and significance of the observed damage, and estimates are made of service life expectancy. Policy implications for the New York State Department of Transportation are discussed.
The Performance Of Concrete In Bridges
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Author : E. J. Wallbank
language : en
Publisher:
Release Date : 1989
The Performance Of Concrete In Bridges written by E. J. Wallbank and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Technology & Engineering categories.
Dated April 1989