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Shake Table Testing Of Flared Bridge Columns With Steel Jacket Retrofit
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Book Synopsis Shake Table Testing of Flared Bridge Columns with Steel Jacket Retrofit by : Brett A. McElhaney
Download or read book Shake Table Testing of Flared Bridge Columns with Steel Jacket Retrofit written by Brett A. McElhaney and published by . This book was released on 2001 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Seismic Retrofit of Flared Bridge Columns with Steel Jackets by : Cory Caywood
Download or read book Seismic Retrofit of Flared Bridge Columns with Steel Jackets written by Cory Caywood and published by . This book was released on 1998 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dynamic Testing and Analysis of Non-prismatic Reinforced Concrete Bridge Columns Retrofitted with FRP Jackets by : Frank M. Martinovic
Download or read book Dynamic Testing and Analysis of Non-prismatic Reinforced Concrete Bridge Columns Retrofitted with FRP Jackets written by Frank M. Martinovic and published by . This book was released on 2001 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Shake Table Testing of Flexure Dominated Reinforced Concrete Bridge Columns by : Patrick Laplace
Download or read book Shake Table Testing of Flexure Dominated Reinforced Concrete Bridge Columns written by Patrick Laplace and published by . This book was released on 1999 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Shaking Table Evaluation of Reinforced Concrete Bridge Columns Repaired Using Fiber Reinforced Polymer Jackets by : Pardeep Kumar
Download or read book Shaking Table Evaluation of Reinforced Concrete Bridge Columns Repaired Using Fiber Reinforced Polymer Jackets written by Pardeep Kumar and published by . This book was released on 2014 with total page 187 pages. Available in PDF, EPUB and Kindle. Book excerpt: After an earthquake event it is the responsibility of the engineers to decide if the bridge structure is safe for the traffic flow, requires repair or needs to be replaced completely depending on the damage level. Effective, economical and timely repair of Reinforced Concrete (RC) bridges after a seismic event is crucial to avoid traffic congestion and lengthy detours. Fiber Reinforced Polymer (FRP) composite laminates are one of few options with several advantages. Use of FRP jackets in structural engineering is gaining interest in applications such as strengthening weak structural elements, improving the existing structure capacity to resist increased loads due to change in use of structure and retrofitting structural elements for seismic upgrades. The study presents shaking table experimental investigation to evaluate the use of FRP for repairing RC bridge columns with circular cross-sections. Two 1/4-scale RC columns were tested in as-built configuration. Both tests had identical geometry and reinforcement details except for the spacing of the transverse reinforcing bars. One column had closely spaced hoops satisfying code requirements and the other had larger spacing, representing a shear-critical column. The test specimens were subjected to a series of horizontal and vertical excitations on a shaking table and experienced moderate to high damage. The damaged columns were subsequently repaired with unidirectional FRP composite laminates and subjected to the same set of earthquake excitations. The obtained experimental data showed that the repaired columns achieved higher strength and ductility with lower residual displacements compared to the as-built ones contributing to the resiliency of the bridge system. A three-dimensional (3D) Finite Element (FE) model was developed and calibrated using the experimental test results. A bilinear confined concrete model was adopted to model the constitutive relationship of the FRP confined concrete without explicitly modeling the FRP composite jacket. Due to variability of the material properties, several calibration parameters were studied to develop a reliable FE model. The results of the dynamic FE analysis showed great potential for 3D modeling of the repaired test specimens. From this study, it is concluded that the used FRP composite laminates represent a viable solution for the effective and rapid repair of damaged RC bridge columns. A parametric study was conducted to evaluate the horizontal force, deformation, and confining strain response of the retrofitted RC bridge columns using the computational model. The response of the FE models with different number of FRP plies in the jacket was investigated. The analytical results suggested that increasing the number of FRP plies in the jacket significantly changed the confining strains response of the confined cross-section but the global force-deformation was not significantly affected.
Book Synopsis Next Generation of Bridge Columns for Accelerated Bridge Construction in High Seismic Zones by : Mostafa Tazarv
Download or read book Next Generation of Bridge Columns for Accelerated Bridge Construction in High Seismic Zones written by Mostafa Tazarv and published by . This book was released on 2014 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt: Longitudinal bar debonding allowed spread of yielding and prevented premature failure of reinforcements in UHPC-filled duct connections and grouted coupler column pedestal. The SMA-reinforced ECC column showed superior seismic performance compared to a conventional column in which the plastic hinge damage was limited to only ECC cover spalling even under 12% drift ratio cycles. The column residual displacements were 79% lower than CIP residual displacements on average due to the superelastic NiTi SMA longitudinal reinforcement, and higher base shear capacity and higher displacement capacity were observed. The analytical modeling methods were simple and sufficiently accurate for general design and analyses of precast components proposed in the present study. The proposed symmetrical material model for reinforcing NiTi superelastic SMA was found to be a viable alternative to the more complex asymmetrical model.
Book Synopsis Assessment of Seismic Response and Steel Jacket Retrofit of Squat Circular Reinforced Concrete Bridge Columns by : Ravindra Verma
Download or read book Assessment of Seismic Response and Steel Jacket Retrofit of Squat Circular Reinforced Concrete Bridge Columns written by Ravindra Verma and published by . This book was released on 1993 with total page 820 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Seismic Performance and Retrofitting of Reinforced Concrete Bridge Bents by :
Download or read book Seismic Performance and Retrofitting of Reinforced Concrete Bridge Bents written by and published by . This book was released on 2002 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summary available via the World Wide Web as of 8/29/2002 from the Bridge Research and Information Center web site,
Book Synopsis Seismic Performance of Flared Bridge Columns by : Anthony V. Sánchez
Download or read book Seismic Performance of Flared Bridge Columns written by Anthony V. Sánchez and published by . This book was released on 1997 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes a joint analytical and experimental research program which investigated the influence that flares have on the structural behavior of columns. The program also verified the potential seismic performance issues associated with flared columns. Ten model columns were constructed and tested in two phases, upside down, as simple cantilevers. The columns featured both large and heavily reinforced structural flares or small, light reinforced, non- structural flares. A prismatic reference column, as-built/as-designed column, and retrofit/improved flare designs were tested for both phases. Practical solutions for analyzing, design, and retrofitting flared columns are proposed, based on this research.
Book Synopsis Stability of Bridge Column Rebar Cages During Construction by : J. Camilo Builes-Mejia
Download or read book Stability of Bridge Column Rebar Cages During Construction written by J. Camilo Builes-Mejia and published by . This book was released on 2010 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Structural Testing of Bridge Columns Retrofit with Shotcrete Confinement by : Gerard C. Pardoen
Download or read book Structural Testing of Bridge Columns Retrofit with Shotcrete Confinement written by Gerard C. Pardoen and published by . This book was released on 1999 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Flexural Retrofit of Circular Reinforced Concrete Bridge Columns by Steel Jacketing by : Yuk Hon Chai
Download or read book Flexural Retrofit of Circular Reinforced Concrete Bridge Columns by Steel Jacketing written by Yuk Hon Chai and published by . This book was released on 1991 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design of Structures 2004 by : National Research Council (U.S.). Transportation Research Board
Download or read book Design of Structures 2004 written by National Research Council (U.S.). Transportation Research Board and published by . This book was released on 2004 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Shake Table Tests of As-built and Retrofitted Configuration by : Gregory A. MacRae
Download or read book Shake Table Tests of As-built and Retrofitted Configuration written by Gregory A. MacRae and published by . This book was released on 1994 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Study and Analysis of Retrofitted Flexure and Shear Dominated Circular Reinforced Concrete Bridge Columns Subjected to Shake Table Excitation by : Patrick N. Laplace
Download or read book Experimental Study and Analysis of Retrofitted Flexure and Shear Dominated Circular Reinforced Concrete Bridge Columns Subjected to Shake Table Excitation written by Patrick N. Laplace and published by . This book was released on 2003 with total page 882 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Transportation Research Record written by and published by . This book was released on 1974 with total page 956 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Shaking Table Tests and Numerical Investigation of Self-centering Reinforced Concrete Bridge Columns by : Hyung IL. Jeong
Download or read book Shaking Table Tests and Numerical Investigation of Self-centering Reinforced Concrete Bridge Columns written by Hyung IL. Jeong and published by . This book was released on 2008 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: