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Full Scale Experimental Testing Of Retrofit Devices Used For Reinforced Concrete Bridges
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Book Synopsis Full Scale Experimental Testing of Retrofit Devices Used for Reinforced Concrete Bridges by : Lawrence G. Selnar
Download or read book Full Scale Experimental Testing of Retrofit Devices Used for Reinforced Concrete Bridges written by Lawrence G. Selnar and published by . This book was released on 1987 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Tests of a Seismic Retrofit Components on a Full-scale Model of a Typical Steel Bridge in Mid-America by : Thomas A. Pfeifer
Download or read book Experimental Tests of a Seismic Retrofit Components on a Full-scale Model of a Typical Steel Bridge in Mid-America written by Thomas A. Pfeifer and published by . This book was released on 2001 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Lateral Load Testing of a Full Scale, Reinforced Concrete Bridge, Isolated from Abutment Effects by : Thomas E. O'Donovan
Download or read book Lateral Load Testing of a Full Scale, Reinforced Concrete Bridge, Isolated from Abutment Effects written by Thomas E. O'Donovan and published by . This book was released on 1992 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Use of Carbon Fiber Reinforced Polymer Sheets as Transverse Reinforcement in Bridge Columns by : Gamal Elnabelsya
Download or read book Use of Carbon Fiber Reinforced Polymer Sheets as Transverse Reinforcement in Bridge Columns written by Gamal Elnabelsya and published by . This book was released on 2013 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Performance of bridges during previous earthquakes has demonstrated that many structural failures could be attributed to seismic deficiencies in bridge columns. Lack of transverse reinforcement and inadequate splicing of longitudinal reinforcement in potential plastic hinge regions of columns constitute primary reasons for their poor performance. A number of column retrofit techniques have been developed and tested in the past. These techniques include steel jacketing, reinforced concrete jacketing and use of transverse prestressing (RetroBelt) for concrete confinement, shear strengthening and splice clamping. A new retrofit technique, involving fibre reinforced polymer (FRP) jacketing has emerged as a convenient and structurally sound alternative with improved durability. The new technique, although received acceptance in the construction industry, needs to be fully developed as a viable seismic retrofit methodology, supported by reliable design and construction procedures. The successful application of externally applied FRP jackets to existing columns, coupled with deteriorating bridge infrastructure, raised the possibility of using FRP reinforcement for new construction. Stay-in-place formwork, in the form of FRP tubes are being researched for its feasibility. The FRP stay-in-place tubes offer ease in construction, convenient formwork, and when left in place, the protection of concrete against environmental effects, including the protection of steel reinforcement against corrosion, while also serving as column transverse reinforcement. Combined experimental and analytical research was conducted in the current project to i) improve the performance of FRP column jacketing for existing bridge columns, and ii) to develop FRP stay-in-place formwork for new bridge columns. The experimental phase consisted of design, construction and testing of 7 full-scale reinforced concrete bridge columns under simulated seismic loading. The columns represented both existing seismically deficient bridge columns, and new columns in stay-in-place formwork. The existing columns were deficient in either shear, or flexure, where the flexural deficiencies stemmed from lack of concrete confinement and/or use of inadequately spliced longitudinal reinforcement. The test parameters included cross-sectional shape (circular or square), reinforcement splicing, column shear span for flexure and shear-dominant behaviour, FRP jacket thickness, as well as use of FRP tubes as stay-in-place formwork, with or without internally embedded FRP crossties. The columns were subjected to a constant axial compression and incrementally increasing inelastic deformation reversals. The results, presented and discussed in this thesis, indicate that the FRP retrofit methodology provides significant confinement to circular and square columns, improving column ductility substantially. The FRP jack also improved diagonal tension capacity of columns, changing brittle shear-dominant column behavior to ductile flexure dominant response. The jackets, when the transverse strains are controlled, are able to improve performance of inadequately spliced circular columns, while remain somewhat ineffective in improving the performance of spliced square columns. FRP stay-in-place formwork provides excellent ductility to circular and square columns in new concrete columns, offering tremendous potential for use in practice. The analytical phase of the project demonstrates that the current analytical techniques for column analysis can be used for columns with external FRP reinforcement, provided that appropriate material models are used for confined concrete, FRP composites and reinforcement steel. Plastic analysis for flexure, starting with sectional moment-curvature analysis and continuing into member analysis incorporating the formation of plastic hinging, provide excellent predictions of inelastic force-deformation envelopes of recorded hysteretic behaviour. A displacement based design procedure adapted to FRP jacketed columns, as well as columns in FRP stay-in-place formwork provide a reliable design procedure for both retrofitting existing columns and designing new FRP reinforced concrete columns.
Book Synopsis Seismic Retrofit and Repair of Existing Reinforced Concrete Bridge Columns by Transverse Prestressing by : Majid Sadoughi Yarandi
Download or read book Seismic Retrofit and Repair of Existing Reinforced Concrete Bridge Columns by Transverse Prestressing written by Majid Sadoughi Yarandi and published by . This book was released on 2007 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Practical Lessons from the Loma Prieta Earthquake by : National Research Council
Download or read book Practical Lessons from the Loma Prieta Earthquake written by National Research Council and published by National Academies Press. This book was released on 1994-02-01 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Loma Prieta earthquake struck the San Francisco area on October 17, 1989, causing 63 deaths and $10 billion worth of damage. This book reviews existing research on the Loma Prieta quake and draws from it practical lessons that could be applied to other earthquake-prone areas of the country. The volume contains seven keynote papers presented at a symposium on the earthquake and includes an overview written by the committee offering recommendations to improve seismic safety and earthquake awareness in parts of the country susceptible to earthquakes.
Book Synopsis Seismic Design and Retrofitting of Reinforced Concrete Bridges by : G. Michele Calvi
Download or read book Seismic Design and Retrofitting of Reinforced Concrete Bridges written by G. Michele Calvi and published by . This book was released on 1991 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book HRIS Abstracts written by and published by . This book was released on 1990 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Shock and Vibration Digest written by and published by . This book was released on 1989 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1988 with total page 1132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design of Modern Highway Bridges by : Narendra Taly
Download or read book Design of Modern Highway Bridges written by Narendra Taly and published by McGraw-Hill Companies. This book was released on 1998 with total page 1376 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text provides an introduction to the theory and practice of designing modern highway bridge superstructures. Beginning with the history of bridges, it describes various types of bridge superstructures, materials of construction, bridge loadings, and analysis techniques for various types.
Download or read book ACI Structural Journal written by and published by . This book was released on 2009 with total page 610 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Report written by and published by . This book was released on 1967 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Second U.S.-Japan Workshop on Seismic Retrofit of Bridges by : Kazuhiko Kawashima
Download or read book Second U.S.-Japan Workshop on Seismic Retrofit of Bridges written by Kazuhiko Kawashima and published by . This book was released on 1997 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis On Shifting Ground by : Benjamin Hayden Sims
Download or read book On Shifting Ground written by Benjamin Hayden Sims and published by . This book was released on 2000 with total page 622 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Seismic Design References by : California. Department of Transportation. Division of Structures
Download or read book Seismic Design References written by California. Department of Transportation. Division of Structures and published by . This book was released on 1997 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book ACI Materials Journal written by and published by . This book was released on 2004 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt: