Testing Of Full Scale Prestressed Beams To Evaluate Shear Key Performance
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Testing Of Full Scale Prestressed Beams To Evaluate Shear Key Performance
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Author : Richard A. Miller (Professional engineer)
language : en
Publisher:
Release Date : 1998
Testing Of Full Scale Prestressed Beams To Evaluate Shear Key Performance written by Richard A. Miller (Professional engineer) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Box beams categories.
Adjacent box girder bridges use grouted shear keys to transfer load between beams. These shear keys tend to crack and leak. A full-scale portion of an adjacent box girder bridge was used to test the performance of grouted shear keys under environmental and cyclic loads. Strain gages were placed in the girders and in the shear keys. Displacement gages were placed spanning the shear keys on the top and bottom flanges of the girders. The bridge was subjected to simulated cyclic truck loading as well as environmentally induced thermal loading. The pulse velocity method was employed to find cracks in shear keys. Dye penetration was used to confirm the pulse velocity measurements. The total research project consisted of: (a) testing of the current keyway detail using the currently specified nonshrink grout, (b) testing of the current keyway detail but substituting epoxy grout for the nonshrink grout, and (c) testing of a modified keyway detail using nonshrink grout in which the keyway is moved to the neutral axis of the girder. In the first test, the shear keys were grouted in late autumn and cracked soon after casting, before any simulated vehicle loading had been applied.
Testing Of Full Scale Prestressed Beams To Evaluate Shear Performance
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Author : Richard A. Miller (Professional engineer)
language : en
Publisher:
Release Date : 1998
Testing Of Full Scale Prestressed Beams To Evaluate Shear Performance written by Richard A. Miller (Professional engineer) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Box beams categories.
Adjacent Precast Concrete Box Beam Bridges
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Author : H. G. Russell
language : en
Publisher: Transportation Research Board
Release Date : 2009
Adjacent Precast Concrete Box Beam Bridges written by H. G. Russell 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 2009 with Box beams categories.
At head of title: National Cooperative Highway Research Program.
Design Of Frp Systems For Strengthening Concrete Girders In Shear
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Author : Abdeldjelil Belarbi
language : en
Publisher: Transportation Research Board
Release Date : 2011
Design Of Frp Systems For Strengthening Concrete Girders In Shear written by Abdeldjelil Belarbi 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 2011 with Architecture categories.
TRB's National Cooperative Highway Research Program (NCHRP) Report 678: Design of FRP Systems for Strengthening Concrete Girders in Shear offers suggested design guidelines for concrete girders strengthened in shear using externally bonded Fiber-Reinforced Polymer (FRP) systems. The guidelines address the strengthening schemes and application of the FRP systems and their contribution to shear capacity of reinforced and prestressed concrete girders. The guidelines are supplemented by design examples to illustrate their use for concrete beams strengthened with different FRP systems. Appendix A of NCHRP Report 678, which contains the research agency's final report, provides further elaboration on the work performed in this project. Appendix A: Research Description and Findings, is only available online.
Self Consolidating Concrete For Precast Prestressed Concrete Bridge Elements
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Author : Kamal Khayat
language : en
Publisher: Transportation Research Board
Release Date : 2009
Self Consolidating Concrete For Precast Prestressed Concrete Bridge Elements written by Kamal Khayat 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 2009 with Bridges categories.
At head of title: National Cooperative Highway Research Program.
Diagnostic And Proof Load Tests On Bridges
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Author : Fikret Necati Catbas
language : en
Publisher: Frontiers Media SA
Release Date : 2020-12-11
Diagnostic And Proof Load Tests On Bridges written by Fikret Necati Catbas and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-12-11 with Technology & Engineering categories.
This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact.
Box Beams For Prestressed Concrete Bridges Test Of A Model Through Voided Box Beam Bridge
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Author :
language : en
Publisher:
Release Date : 1967
Box Beams For Prestressed Concrete Bridges Test Of A Model Through Voided Box Beam 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 1967 with Box beams categories.
Experimental Evaluation Of Full Depth Precast Prestressed Concrete Bridge Deck Panels
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Author : Mohsen A. Issa
language : en
Publisher:
Release Date : 2002
Experimental Evaluation Of Full Depth Precast Prestressed Concrete Bridge Deck Panels written by Mohsen A. Issa and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Concrete bridges categories.
A literature review concerning the objectives of the project was completed. A significant number of published papers, reports, etc., were examined to determine the effectiveness of full depth precast panels for bridge deck replacement. A detailed description of the experimental methodology was developed which includes design and fabrication of the panels and assembly of the bridge. The design and construction process was carried out in cooperation with the project Technical Review Panel. The major components of the bridge deck system were investigated. This includes the transverse joints and the different materials within the joint as well as composite action. The materials investigated within the joint were polymer concrete, non-shrink grout, and set-45 for the transverse joint. The transverse joints were subjected to direct shear tests, direct tension tests, and flexure tests. These tests exhibited the excellent behavior of the system in terms of strength and failure modes. Shear key tests were also conducted. The shear connection study focused on investigating the composite behavior of the system based on varying the number of shear studs within a respective pocket as well as varying the number of pockets within a respective panel. The results indicated that this shear connection is extremely efficient in rendering the system under full composite action. Finite element analysis was conducted to determine the behavior of the shear connection prior to initiation of the actual full scale tests. In addition, finite element analysis was also performed with respect to the transverse joint tests in an effort to determine the behavior of the joints prior to actual testing. The most significant phase of the project was testing a full-scale model. The bridge was assembled in accordance with the procedures developed as part of the study on full-depth precast panels and the results obtained through this research. The system proved its effectiveness in withstanding the applied loading that exceeded eight times the truck loading in addition to the maximum negative and positive moment application. Only hairline cracking was observed in the deck at the maximum applied load. Of most significance was the fact that full composite action was achieved between the precast panels and the steel supporting system, and the exceptional performance of the transverse joint between adjacent panels.
Highway Research Development Studies
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Author : United States. Bureau of Public Roads. Office of Research and Development
language : en
Publisher:
Release Date : 1968
Highway Research Development Studies written by United States. Bureau of Public Roads. Office of Research and Development and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with categories.
Full Scale Testing Of Prestressed Concrete Structures
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Author : Susanne Herta Buchner
language : en
Publisher:
Release Date : 1989
Full Scale Testing Of Prestressed Concrete Structures written by Susanne Herta Buchner and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with categories.