Field Monitoring On The I 295 Bridge Over The James River
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Field Monitoring On The I 295 Bridge Over The James River
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Author : Thomas Thaxton Baber
language : en
Publisher:
Release Date : 1988
Field Monitoring On The I 295 Bridge Over The James River written by Thomas Thaxton Baber and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Bridges categories.
This report reviews the various techniques considered for instrumenting the Rte. 1-295 cable-stayed bridge over the James River near Richmond, Virginia. From this review an instrumentation plan is developed to meet the following objectives: 1. to determine the live load stress range in several critical cable stays, 2. to obtain data that will indicate the magnitude of the torques introduced into the cable-stayed box girders as a result of service loads and stay cable forces, 3. to obtain thermal gradient data for a typical box girder section, pylon section, and stay cable, 4, to evaluate the performance of the delta frame assemblies that connect the two box segment roadways to the central, single plane, stay-cable system. The instrumentation and data acquisition systems to be used to accomplish these objectives' are presented and discussed in the report.
Field Instrumentation And Measured Response Of The I 295 Cable Stayed Bridge
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Author :
language : en
Publisher:
Release Date : 1992
Field Instrumentation And Measured Response Of The I 295 Cable Stayed Bridge written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Bridges categories.
This first report describes the results of a field study of the live load responses of a segmentally constructed prestressed concrete cable-stayed bridge. The main span of the test structure consists of twin box girders connected by delta frames. Known vehicular loadings were placed statically at various points along the bridge. Strains measured during this loading were compared with those obtained from a finite element model of the bridge. Strain trends predicted by the finite element model were in good agreement with the measured strain trends. Quantitative agreement was fair, at least in part because of the high stiffness of the bridge and the limitations on the magnitude of load that could be applied. The second report describes the results of a field study of the thermal responses of a cable-stayed bridge. Data were gathered from the I-295 James River Bridge, a precast segmental concrete bridge with a cable-stayed main span consisting of twin box girders connected by delta frames. The thermal gradient and associated thermal strains in the box girders and pylons were measured using an extensive array of thermocouples and strain-gaged reinforcing bars installed at selected locations in the main-span box girder and south pylon. The temperature and strain response data were compared with that predicted from detailed finite element models of the structure using both frame and plate elements. Comparison revealed a complex three-dimensional strain pattern dependent on the wind direction and the angle of solar incidence. Simplified beam element models were unable to predict many of the observed local variations in thermal strain, which are influenced by wind direction, solar heating direction, proximity to the web, and the existence of parapets monolithic with the deck. Three-dimensional finite element models appear to be more capable of predicting the kind of three-dimensional strains observed, but quantitative agreement with the observed thermal strains was limited at best.
Inspection And Maintenance Of Bridge Stay Cable Systems
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Author : Habib Tabatabai
language : en
Publisher: Transportation Research Board
Release Date : 2005
Inspection And Maintenance Of Bridge Stay Cable Systems written by Habib Tabatabai 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 2005 with Technology & Engineering categories.
TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 353: Inspection and Maintenance of Bridge Stay Cable Systems identifies and explains various inspection and maintenance techniques for bridge stay cable systems. It discusses both short- and long-term approaches. The report information on methods for inspections and assessments, including nondestructive testing and evaluation procedures; repair and retrofit; methods for control of cable vibrations, including rainwind vibrations; stay cable fatigue and failure; effectiveness of various inspection and repair methods; limitations of available technologies; and trends and recommendations for future study.
Measurement Based Revisions For Segmental Bridge Design And Construction Criteria
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Author : C. L. Roberts
language : en
Publisher:
Release Date : 1993
Measurement Based Revisions For Segmental Bridge Design And Construction Criteria written by C. L. Roberts and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Box girder bridges categories.
Public Roads
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Author :
language : en
Publisher:
Release Date : 1986
Public Roads written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Highway research categories.
Hris Abstracts
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Author : National Research Council (U.S.). Highway Research Information Service
language : en
Publisher:
Release Date : 1988
Hris Abstracts written by National Research Council (U.S.). Highway Research Information Service and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Highway engineering categories.
Hampton Roads Crossing Study
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Author :
language : en
Publisher:
Release Date : 2001
Hampton Roads Crossing Study written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.
An Annotated Bibliography Of Virginia Transportation Research Council Writings July 1966 June 1989
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Author : Harry T. Craft
language : en
Publisher:
Release Date : 1991
An Annotated Bibliography Of Virginia Transportation Research Council Writings July 1966 June 1989 written by Harry T. Craft and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Highway research categories.
Ports Of Hampton Roads And Ports On The James And York Rivers Va
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Author :
language : en
Publisher:
Release Date : 2005
Ports Of Hampton Roads And Ports On The James And York Rivers Va written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Hampton Roads, Port of (Va.) categories.
Masters Theses In The Pure And Applied Sciences
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Author : Wade H. Shafer
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Masters Theses In The Pure And Applied Sciences written by Wade H. Shafer and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Oata Analysis and Synthesis (CINOAS) * at Purdue. University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all con cerned if the printing and distribution of the volumes were handled by an interna tional publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Cor poration of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 33 (thesis year 1988) a total of 13,273 theses titles from 23 Canadian and 1 85 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this important annual reference work. While Volume 33 reports theses submitted in 1988, on occasion, certain univer sities do report theses submitted in previous years but not reported at the time.