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Live Load Distribution On Longitudinal Glued Laminated Timber Deck Bridges
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Book Synopsis Live Load Distribution on Longitudinal Glued-laminated Timber Deck Bridges by :
Download or read book Live Load Distribution on Longitudinal Glued-laminated Timber Deck Bridges written by and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past few years the United States Department of Agriculture (USDA), Forest Products Laboratory (FPL), and the Federal Highway Administration (FHWA) have supported several research programs. This paper is a result of a study sponsored by FPL, with the objective of determining how truckloads are distributed to the deck panels of a longitudinal glued-laminated timber deck bridge. Currently, the American Association of State Highway and Transportation Officials (AASHTO) LRFD (load and resistance factor design) Bridge Design Specification provides live load distribution provisions for longitudinal glued-laminated timber deck-panel bridges. The AASHTO LRFD live load distribution provisions for longitudinal glued-laminated timber deck bridges were based on the assumption that the bridge deck behaves as one slab and ignores the discontinuity of the bridge deck panels. This study investigated this assumption by using analytical models that validated field test data from several in-service bridges and data from a full-scale laboratory test bridge. The analytical models accounted for the effects of the interface between the deck panels as well as the effects of the transverse stiffener beams on the distribution of the live- load. The analytical live load distribution results above were compared with both the AASHTO LRFD and AASHTO Standard Specifications.
Book Synopsis Live Load Distribution on Longitudinal Glued-laminated Timber Deck Bridges :. by :
Download or read book Live Load Distribution on Longitudinal Glued-laminated Timber Deck Bridges :. written by and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Live Load Distribution on Longitudinal Glued-laminated Timber Girder Bridges by :
Download or read book Live Load Distribution on Longitudinal Glued-laminated Timber Girder Bridges written by and published by . This book was released on 2011 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: Increased use of timber bridges in the U.S. transportation system has required additional research to improve the current design methodology of these bridges. For this reason, the U.S. Forest Service, Forest Products Laboratory (FPL), and the Federal Highway Administration have supported several research programs to attain the objective listed above. This report is a result of a study sponsored by the FPL, with the objective of determining how highway truckloads are distributed to girders of a glued-laminated timber bridge. The American Association of State Highway and Transportation Official (AASHTO) load and resistance factor design (LRFD) Bridge Design Specification provides live-load distribution provisions for glued-laminated girder timber bridges that were used in previous AASHTO Specifications. The AASHTO live-load distribution provisions were reviewed in this report. Field-test results were used to review the current AASHTO LRFD glued-laminated timber girder bridge-design specifications and to validate analytical results obtained by finite-element analyses. With the validated analytical models, parametric studies were performed to determine the worst-case live-load distribution factors that can be used to calculate the design moment and shear for glued-laminated timber girders. Simplified live-load distribution equations that can be used to determine these distribution factors were developed and are provided in this report. These equations take into account how load is distributed to the bridge girders, considering the effects of span length, girder spacing, and clear width of the bridge.
Book Synopsis Load Distribution in Glued Laminated Longitudinal Timber Deck Highway Bridges by : Wallace Wolfred Sanders
Download or read book Load Distribution in Glued Laminated Longitudinal Timber Deck Highway Bridges written by Wallace Wolfred Sanders and published by . This book was released on 1985 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Timber Bridges by : Michael A. Ritter
Download or read book Timber Bridges written by Michael A. Ritter and published by . This book was released on 1990 with total page 980 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Live Load Distribution Factors for Glued-laminated Timber Bridges by : Jeremy James May
Download or read book Live Load Distribution Factors for Glued-laminated Timber Bridges written by Jeremy James May and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Live-load Distribution on Glued-laminated Timber Girder Bridges by :
Download or read book Live-load Distribution on Glued-laminated Timber Girder Bridges written by and published by . This book was released on 2011 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: Increased use of timber bridges in the U.S. transportation system has required additional research to improve the current design methodology of these bridges. For this reason, the U.S. Forest Service, Forest Products Laboratory (FPL), and the Federal Highway Administration have supported several research programs to attain the objective listed above. This report is a result of a study sponsored by the FPL, with the objective of determining how highway truckloads are distributed to girders of a glued-laminated timber bridge. The American Association of State Highway and Transportation Official (AASHTO) load and resistance factor design (LRFD) Bridge Design Specification provides live-load distribution provisions for glued-laminated girder timber bridges that were used in previous AASHTO Specifications. The AASHTO live-load distribution provisions were reviewed in this report. Field-test results were used to review the current AASHTO LRFD glued-laminated timber girder bridge-design specifications and to validate analytical results obtained by finite-element analyses. With the validated analytical models, parametric studies were performed to determine the worst-case live-load distribution factors that can be used to calculate the design moment and shear for glued-laminated timber girders. Simplified live-load distribution equations that can be used to determine these distribution factors were developed and are provided in this report. These equations take into account how load is distributed to the bridge girders, considering the effects of span length, girder spacing, and clear width of the bridge.
Book Synopsis Materials for and Design of Hardwood Glulam Bridges by : Harvey Bright Manbeck
Download or read book Materials for and Design of Hardwood Glulam Bridges written by Harvey Bright Manbeck and published by . This book was released on 1995 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental and Analytical Load Distribution Behavior of Glued Laminated Timber Deck Bridges by : Terry J. Wipf
Download or read book Experimental and Analytical Load Distribution Behavior of Glued Laminated Timber Deck Bridges written by Terry J. Wipf and published by . This book was released on 1986 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental and Analytical Load Distribution Behavior of Glued Laminated Timber Deck Bridges by :
Download or read book Experimental and Analytical Load Distribution Behavior of Glued Laminated Timber Deck Bridges written by and published by . This book was released on 1986 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Live Load Deflection Criteria for Glued-laminated Timber Bridges by : Travis Kent Hosteng
Download or read book Live Load Deflection Criteria for Glued-laminated Timber Bridges written by Travis Kent Hosteng and published by . This book was released on 2004 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt: In order to promote and increase the use of timber bridges in our nations transportation systems, the United States Department of Agriculture (USDA) and the Forest Products Laboratory funded research to develop design criteria to improve the design of glued-laminated timber bridges. This project is part of this research and is directed towards developing, and/or making recommendations for, acceptable live load deflection criteria, which are based on the actual structural performance of these types of bridges. Specifically, the relationship between live load deflection and the condition of the asphalt wearing surface is of particular interest. To accomplish this, eight glued-laminated timber girder bridges and four longitudinal glued-laminated timber deck bridges were selected for testing. The performance of the bridges was investigated under live loading and analyzed in conjunction with the condition of the wearing surfaces gathered from field inspections. Testing involved loading the structures with fully loaded tandem axle dump trucks and gathering global and differential deflection data. Field tests revealed that the majority of the asphalt wearing surface deterioration was primarily the result of differential deflections.
Book Synopsis Structural Design in Wood by : Judith J. Stalnaker
Download or read book Structural Design in Wood written by Judith J. Stalnaker and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 439 pages. Available in PDF, EPUB and Kindle. Book excerpt: Why another textbook on the design of wood sets this book apart is its inclusion of "struc structures? In many years of teaching structural tural planning. " Most textbooks show only the design in wood, the authors have used virtually selection of member proportions or number of every textbook available, as well as using only connectors in a joint to satisfy a given, com a code and no textbook at all. The textbooks pletely defined situation. This book, on the used have included both the old and the rela other hand, shows the thinking process needed tively modem; some have been fairly good, but to determine whether or not the member is re in our opinion each has deficiencies. Some quired in the first place. Following this, the books have too few solved examples. Others spacing and continuity of the member are de omit important material or have an arrange cided, its loads are determined, and finally its ment making them difficult to use as formal shape and size are selected. teaching tools. By writing this book, we intend We believe that illustrating structural plan to correct such deficiencies. ning as well as detailed member and connec The prime purpose of this book is to serve as tion design is of considerable value in helping a classroom text for the engineering or archi the student make the transition from the often tecture student.
Author :National Research Council (U.S.). Transportation Research Board Publisher :Transportation Research Board National Research ISBN 13 : Total Pages :88 pages Book Rating :4.:/5 (359 download)
Book Synopsis Timber Bridges by : National Research Council (U.S.). Transportation Research Board
Download or read book Timber Bridges written by National Research Council (U.S.). Transportation Research Board and published by Transportation Research Board National Research. This book was released on 1986 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Load Distribution on a Highway Bridge Floor Having a Laminated Timber Deck by :
Download or read book Load Distribution on a Highway Bridge Floor Having a Laminated Timber Deck written by and published by . This book was released on 1960 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analysis of Thermal Change in Stress-laminated Timber Bridge Decks by : James A. Kainz
Download or read book Analysis of Thermal Change in Stress-laminated Timber Bridge Decks written by James A. Kainz and published by . This book was released on 2001 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Standard Plans for Timber Bridge Superstructures by : James P. Wacker
Download or read book Standard Plans for Timber Bridge Superstructures written by James P. Wacker and published by . This book was released on 2001 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: These standardized bridge plans are for superstructures consisting of treated timber. Seven superstructure types are included: five longitudinal and two transverse deck systems. Both HS20 and HS25 loadings are included, along with L/360 and L/500 deflection criteria.
Book Synopsis Behavior of Longitudinal Glued Laminated Timber Deck Bridges by : Robert William Funke
Download or read book Behavior of Longitudinal Glued Laminated Timber Deck Bridges written by Robert William Funke and published by . This book was released on 1986 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt:
