High Performance Concrete Bridge Decks A Fast Track Implementation Study Volume 1 Structural Behavior
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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.
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.
Implementation Of A Non Metallic Reinforced Bridge Deck Volume 1
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Author : Robert J. Frosch
language : en
Publisher:
Release Date : 2006-05-15
Implementation Of A Non Metallic Reinforced Bridge Deck Volume 1 written by Robert J. Frosch and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-05-15 with categories.
Pci Journal
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Author :
language : en
Publisher:
Release Date : 2002
Pci Journal written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Precast concrete categories.
High Performance Construction Materials
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Author :
language : en
Publisher:
Release Date :
High Performance Construction Materials written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Maintenance Safety Risk Management And Life Cycle Performance Of Bridges
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Author : Nigel Powers
language : en
Publisher: CRC Press
Release Date : 2018-07-04
Maintenance Safety Risk Management And Life Cycle Performance Of Bridges written by Nigel Powers and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-04 with Technology & Engineering categories.
Maintenance, Safety, Risk, Management and Life-Cycle Performance of Bridges contains lectures and papers presented at the Ninth International Conference on Bridge Maintenance, Safety and Management (IABMAS 2018), held in Melbourne, Australia, 9-13 July 2018. This volume consists of a book of extended abstracts and a USB card containing the full papers of 393 contributions presented at IABMAS 2018, including the T.Y. Lin Lecture, 10 Keynote Lectures, and 382 technical papers from 40 countries. The contributions presented at IABMAS 2018 deal with the state of the art as well as emerging concepts and innovative applications related to the main aspects of bridge maintenance, safety, risk, management and life-cycle performance. Major topics include: new design methods, bridge codes, heavy vehicle and load models, bridge management systems, prediction of future traffic models, service life prediction, residual service life, sustainability and life-cycle assessments, maintenance strategies, bridge diagnostics, health monitoring, non-destructive testing, field testing, safety and serviceability, assessment and evaluation, damage identification, deterioration modelling, repair and retrofitting strategies, bridge reliability, fatigue and corrosion, extreme loads, advanced experimental simulations, and advanced computer simulations, among others. This volume provides both an up-to-date overview of the field of bridge engineering and significant contributions to the process of more rational decision-making on bridge maintenance, safety, risk, management and life-cycle performance of bridges for the purpose of enhancing the welfare of society. The Editors hope that these Proceedings will serve as a valuable reference to all concerned with bridge structure and infrastructure systems, including students, researchers and engineers from all areas of bridge engineering.
Designing And Building With Uhpfrc
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Author : Jacques Resplendino
language : en
Publisher: John Wiley & Sons
Release Date : 2013-01-29
Designing And Building With Uhpfrc written by Jacques Resplendino and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-01-29 with Technology & Engineering categories.
This book contains the proceedings of the international workshop “Designing and Building with Ultra-High Performance Fibre-Reinforced Concrete (UHPFRC): State of the Art and Development”, organized by AFGC, the French Association for Civil Engineering and French branch of fib, in Marseille (France), November 17-18, 2009. This workshop was focused on the experience of a lot of recent UHPFRC realizations. Through more than 50 papers, this book details the experience of many countries in UHPFRC construction and design, including projects from Japan, Germany, Australia, Austria, USA, Denmark, the Netherlands, Canada... and France. The projects are categorized as novel architectural solutions, new frontiers for bridges, new equipments and structural components, and extending the service life of structures. The last part presents major research results, durability and sustainability aspects, and the updated AFGC Recommendations on UHPFRC.
High Performance Concretes
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Author : Paul Zia
language : en
Publisher:
Release Date : 1991
High Performance Concretes written by Paul Zia and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Fiber-reinforced concrete categories.
This state-of-the-art report summarizes the results of an extensive search and review of available literature on the mechanical properties of concrete, with particular reference to high performance concrete for highway applications. Included in the review and discussion are the behavior of plastic concrete as well as the strength and deformation characteristics of hardened concrete. Both short-term and long-term effects are considered. Based on the review of the available information, research needs are identified. It is concluded that much research is needed to develop data on the strength and durability properties of concrete which develops high strength, particularly very early strength.
Ultra High Performance Concrete
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Author : Ekkehard Fehling
language : en
Publisher: kassel university press GmbH
Release Date : 2008-01-01
Ultra High Performance Concrete written by Ekkehard Fehling and has been published by kassel university press GmbH this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-01-01 with High strength concrete categories.
Nondestructive Testing To Identify Concrete Bridge Deck Deterioration
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Author :
language : en
Publisher: Transportation Research Board
Release Date : 2013
Nondestructive Testing To Identify Concrete Bridge Deck Deterioration written by 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 Technology & Engineering categories.
" TRB's second Strategic Highway Research Program (SHRP 2) Report S2-R06A-RR-1: Nondestructive Testing to Identify Concrete Bridge Deck Deterioration identifies nondestructive testing technologies for detecting and characterizing common forms of deterioration in concrete bridge decks.The report also documents the validation of promising technologies, and grades and ranks the technologies based on results of the validations.The main product of this project will be an electronic repository for practitioners, known as the NDToolbox, which will provide information regarding recommended technologies for the detection of a particular deterioration. " -- publisher's description.