Identification of Performance Indicators and Development of Performance Based Specifications for Bridge Decks PDF Download
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Author: Thomas H. Wenzel
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 94
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Book Description
Author: Thomas H. Wenzel
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 94
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Book Description
Author: National Research Council (U.S.). Highway Research Board
Publisher:
ISBN:
Category : Highway engineering
Languages : en
Pages : 88
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Book Description
Author: Mohd Johari Mohd Yusof
Publisher: CRC Press
ISBN: 1000782425
Category : Technology & Engineering
Languages : en
Pages : 787
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Book Description
Advances in Civil Engineering: Structural Seismic Resistance, Monitoring and Detection is a collection of papers resulting from the conference on Structural Seismic Resistance, Monitoring and Detection (SSRMD 2022), Harbin, China, 21–23 January, 2022. According to the development of many new seismic theories, technologies and products, the primary goal of this conference is to promote research and developmental activities in structural seismic resistance, monitoring and detection. Moreover, another goal is to promote scientific information interchange between scholars from the top universities, business associations, research centers and high-tech enterprises working all around the world. The conference conducted in-depth exchanges and discussions on relevant topics such as structural seismic resistance, monitoring and detection, aiming to provide an academic and technical communication platform for scholars and engineers engaged in scientific research and engineering practice in the field of civil engineering, seismic resistance and engineering entity structure testing. By sharing the research status of scientific research achievements and cutting-edge technologies, it helps scholars and engineers all over the world to comprehend the academic development trend and broaden research ideas. So as to strengthen international academic research, academic topics exchange and discussion, and promoting the industrialization cooperation of academic achievements.
Author: National Research Council (U.S.). Highway Research Board
Publisher:
ISBN:
Category : Highway engineering
Languages : en
Pages : 1084
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Book Description
Author: M. Ala Saadeghvaziri
Publisher:
ISBN:
Category : Concrete bridges
Languages : en
Pages : 206
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Book Description
Many concrete bridge decks develop transverse cracking and most of these cracks develop at early ages, some right after construction and some after the bridge has been opened to traffic for a period of time. Structural design factors have not been the subject of much research in the past and they were the main thrust of this research study. Using 2-D and 3-D linear and nonlinear finite element models many design factors such as girder stiffness, deck thickness, girder spacing, relative stiffness of deck to girder, amount of reinforcements, etc., were studied. The research study also included a comprehensive review of the existing literature as well as survey of 24 bridges in the state of New Jersey. Results of each research task are presented and discussed in detail. Furthermore, based on analytical results and literature review, the effect of various factors are quantified and specific recommendations for possible consideration in design are made.
Author:
Publisher: Transportation Research Board
ISBN: 0309129338
Category : Technology & Engineering
Languages : en
Pages : 96
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Book Description
" 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.
Author: Kenneth A. Brewer
Publisher: AASHTO
ISBN: 1560513764
Category : Bridges
Languages : en
Pages : 373
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Book Description
Author: G. M. Carlomagno
Publisher: WIT Press
ISBN: 1845645405
Category : Mathematics
Languages : en
Pages : 737
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Book Description
Containing edited versions of most of the papers presented at the Fifteenth International Conference on Computational Methods and Experimental Measurements, this book reviews the latest work on these two approaches, and the interaction between them.
Author:
Publisher:
ISBN:
Category : Concrete
Languages : en
Pages : 112
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Book Description
Cracking is a major problem with newly placed concrete decks. These decks tend to develop full depth, transverse cracks and partial depth longitudinal cracks within a few months of the concrete being placed. A literature review showed that several other states had experienced similar problems. A review of data from Ohio bridge decks showed weak correlations between deck cracking and slump, time of year when the deck was placed, shrinkage, chloride permeability and compressive strength, but there was no clear relationship between cracking and any of these properties. Data also suggested that using a coarse aggregate with an absorption> 1% may help mitigate deck cracking but will not always stop it. As part of this study, 3 bridge decks were instrumented. One was a standard class "S" concrete deck and the other two were high performance concrete. The class "S" deck showed only hairline cracking after 1 year, but transverse cracking occurred in the HPC decks. Instruments were placed in the decks to monitor strains. From the data, it appears that cracking is caused by several factors. High heat of hydration caused the plastic concrete to expand. When the concrete sets and cools, tensile stressed develop. Further tensile stresses develop through drying shrinkage. Restraining the deck against normal thermal movement contributes to additional tensile stress. Autogeneous shrinkage, where high heats of hydration cause water evaporation during hydration, and plastic shrinkage may cause more tensile stress. Recommendations for mitigating cracking include using lower cement contents, adding pozzolans and retarders, using slightly higher water/cement ratios, using larger aggregates, taking steps to limit shrinkage and eliminating restraints.
Author: Eugene J. Obrien
Publisher: CRC Press
ISBN: 148222724X
Category : Technology & Engineering
Languages : en
Pages : 338
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Book Description
Captures Current Developments in Bridge Design and MaintenanceRecent research in bridge design and maintenance has focused on the serviceability problems of older bridges with aging joints. The favored solution of integral construction and design has produced bridges with fewer joints and bearings that require less maintenance and deliver increased
