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Author: Timothy Barrett
Publisher:
ISBN: 9781622603527
Category :
Languages : en
Pages :
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Book Description
The Indiana Department of Transportation (INDOT) constructed four bridge decks utilizing internally cured, high performance concrete (IC HPC) during the summer of 2013. These decks implement research findings from the research presented in the FHWA/IN/JTRP-2010/10 report where internal curing was proposed as one method to reduce the potential for shrinkage cracking, leading to improved durability. The objective of this research was to document the construction of the four IC HPC bridge decks that were constructed in Indiana during 2013 and quantify the properties and performance of these decks. This report contains documentation of the production and construction of IC HPC concrete for the four bridge decks in this study. In addition, samples of the IC HPC used in construction were compared with a reference high performance concrete (HPC) which did not utilize internal curing. These samples were transported to the laboratory where the mechanical properties, resistance to chloride migration, and potential for shrinkage and cracking was assessed. Using experimental results and mixture proportions, the diffusion based service life of the bridge decks was able to be estimated. Collectively, the results indicate that the IC HPC mixtures that were produced as a part of this study exhibit the potential to more than triple the service life of the typical bridge deck in Indiana while reducing the early age autogenous shrinkage by more than 80% compared to non-internally cured concretes.
Author: Timothy Barrett
Publisher:
ISBN: 9781622603527
Category :
Languages : en
Pages :
Get Book Here
Book Description
The Indiana Department of Transportation (INDOT) constructed four bridge decks utilizing internally cured, high performance concrete (IC HPC) during the summer of 2013. These decks implement research findings from the research presented in the FHWA/IN/JTRP-2010/10 report where internal curing was proposed as one method to reduce the potential for shrinkage cracking, leading to improved durability. The objective of this research was to document the construction of the four IC HPC bridge decks that were constructed in Indiana during 2013 and quantify the properties and performance of these decks. This report contains documentation of the production and construction of IC HPC concrete for the four bridge decks in this study. In addition, samples of the IC HPC used in construction were compared with a reference high performance concrete (HPC) which did not utilize internal curing. These samples were transported to the laboratory where the mechanical properties, resistance to chloride migration, and potential for shrinkage and cracking was assessed. Using experimental results and mixture proportions, the diffusion based service life of the bridge decks was able to be estimated. Collectively, the results indicate that the IC HPC mixtures that were produced as a part of this study exhibit the potential to more than triple the service life of the typical bridge deck in Indiana while reducing the early age autogenous shrinkage by more than 80% compared to non-internally cured concretes.
Author: J. Paul Guyer, P.E., R.A.
Publisher: Guyer Partners
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 347
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Book Description
Introductory technical guidance for civil engineers, construction managers and highway maintenance managers interested in pavement engineering. This is one of two volumes. This is what is contained in this volume: 1. AGGREGATE SURFACE PAVEMENTS 2. THIN ASPHALT PAVEMENT OVERLAYS 3. CONCRETE ADMIXTURES FOR PAVEMENT 4. ACOUSTIC SPECTROSCOPY FOR ASR TESTING OF CONCRETE PAVEMENT 5. BASES AND SUBBASES FOR CONCRETE PAVEMENT 6. INTERNAL CURING OF CONCRETE PAVEMENT 7. PAVEMENT FOR SEASONAL FROST CONDITIONS 8. PAVEMENT DRAINAGE 9. FLEXIBLE ASPHALT CONCRETE 10. ELASTIC LAYERED METHODS OF FLEXIBLE PAVEMENT DESIGN 11. COMPACTION AND QUALITY CONTROL FOR HOT MIX ASPHALT PAVEMENT 12. SURFACE PREPARATION AND PLACEMENT FOR HOT MIX ASPHALT PAVEMENT 13. PAVEMENT SURVEY, MAINTENANCE AND REPAIR 14. PAVEMENT OVERLAYS.
Author: J. Paul Guyer, P.E., R.A.
Publisher: Guyer Partners
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 24
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Book Description
Introductory technical guidance for civil engineers and construction managers interested in internal curing of portland cement concrete pavement. Here is what is discussed: 1. INTRODUCTION 2. PAVEMENT APPLICATIONS 3. MIXTURE DESIGN FOR INTERNAL CURING 4. CONCRETE PAVEMENT CONSTRUCTION ASPECTS OF INTERNALLY CURED CONCRETE 5. PROPERTIES OF INTERNALLY CURED CONCRETE 6. PRACTICAL APPLICATIONS 7. SUMMARY 8. REFERENCES.
Author: D J Lee
Publisher: CRC Press
ISBN: 1482266997
Category : Architecture
Languages : en
Pages : 221
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Book Description
This book provides a guide to movement and restraint in bridges for bridge engineers and will enable them to draw up design calculations and specifications for effective installation, and satisfactory service and durability of bearings and joints. It has been fully revised and updated in line with current codes and design practice, modern developme
Author:
Publisher: Aashto
ISBN:
Category : Express highways
Languages : en
Pages : 20
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Book Description
Author: American Association of State Highway and Transportation Officials
Publisher: AASHTO
ISBN: 1560514698
Category : Bridges
Languages : en
Pages : 38
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Book Description
Author: Asphalt Institute
Publisher:
ISBN: 9781934154175
Category : Asphalt
Languages : en
Pages : 102
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Book Description
Author: W. C. Benton
Publisher: Irwin Professional Publishing
ISBN: 9780071289139
Category : Business logistics
Languages : en
Pages : 0
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Book Description
This text outlines the most current methods in purchasing and supply chain management. Real case studies and exercises help students transform purchasing theory into purchasing practice and implementation. Topics include purchasing business processes, price cost analysis, professional services, and healthcare purchasing.
Author: Peter C. Taylor
Publisher: CRC Press
ISBN: 0203866134
Category : Technology & Engineering
Languages : en
Pages : 215
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Book Description
Curing is one of those activities that every civil engineer and construction worker has heard of, but in reality does not worry about much. In practice, curing is often low on the list of priorities on the construction site, particularly when budgets and timelines are under pressure. Yet the increasing demands being placed on concrete mixtures also
Author: Kumares C. Sinha
Publisher: John Wiley & Sons
ISBN: 1118169662
Category : Technology & Engineering
Languages : en
Pages : 576
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Book Description
This pioneering text provides a holistic approach to decisionmaking in transportation project development and programming, whichcan help transportation professionals to optimize their investmentchoices. The authors present a proven set of methodologies forevaluating transportation projects that ensures that all costs andimpacts are taken into consideration. The text's logical organization gets readers started with asolid foundation in basic principles and then progressively buildson that foundation. Topics covered include: Developing performance measures for evaluation, estimatingtravel demand, and costing transportation projects Performing an economic efficiency evaluation that accounts forsuch factors as travel time, safety, and vehicle operatingcosts Evaluating a project's impact on economic development and landuse as well as its impact on society and culture Assessing a project's environmental impact, including airquality, noise, ecology, water resources, and aesthetics Evaluating alternative projects on the basis of multipleperformance criteria Programming transportation investments so that resources can beoptimally allocated to meet facility-specific and system-widegoals Each chapter begins with basic definitions and concepts followedby a methodology for impact assessment. Relevant legislation isdiscussed and available software for performing evaluations ispresented. At the end of each chapter, readers are providedresources for detailed investigation of particular topics. Theseinclude Internet sites and publications of international anddomestic agencies and research institutions. The authors alsoprovide a companion Web site that offers updates, data foranalysis, and case histories of project evaluation and decisionmaking. Given that billions of dollars are spent each year ontransportation systems in the United States alone, and that thereis a need for thorough and rational evaluation and decision makingfor cost-effective system preservation and improvement, this textshould be on the desks of all transportation planners, engineers,and educators. With exercises in every chapter, this text is anideal coursebook for the subject of transportation systems analysisand evaluation.
