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Seismic Performance And Failure Behavior Of Plastic Hinge Regions In Flexural Bridge Columns
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Book Synopsis Seismic Performance and Failure Behavior of Plastic Hinge Regions in Flexural Bridge Columns by : Yael D. Hose
Download or read book Seismic Performance and Failure Behavior of Plastic Hinge Regions in Flexural Bridge Columns written by Yael D. Hose and published by . This book was released on 2001 with total page 988 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Strategic Relocation of Plastic Hinges in Bridge Columns by : Yael D. Hose
Download or read book Strategic Relocation of Plastic Hinges in Bridge Columns written by Yael D. Hose and published by . This book was released on 1997 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Seismic Performance Design Criteria for Bridge Bent Plastic Hinge Regions by : A. K. M. Golam Murtuz
Download or read book Seismic Performance Design Criteria for Bridge Bent Plastic Hinge Regions written by A. K. M. Golam Murtuz and published by . This book was released on 2020 with total page 109 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main objective of this research was to quantify the material strain limits for seismic assessment of existing sub-standard reinforced concrete bridge bents considering operational performance design criteria. Limited confidence exists in the current material strain limit state for operational performance criteria due to lack of experimental results considering the typical detailing of Oregon bridges and the cumulative damage effect resulting from an anticipated long-duration Cascadia Subduction Zone (CSZ) event. Component details for bridge bents such as geometry and reinforcing details were determined through a statistical analysis of available bridge drawings built prior to 1990 in the State of Oregon. Three full-scale bridge bent column-footing subassembly specimens were constructed and subjected to reverse cyclic lateral deformations utilizing a traditional loading protocol and a protocol representing the demands expected from a CSZ earthquake. The tests were designed so that variable axial loading could be applied in order to simulate the secondary effects experienced in a column that is part of a multi-column bent during an earthquake event. Material strains along with global and local deformation quantities were measured with a suite of external and internal sensors mounted to and embedded in the specimens. Despite having sub-standard seismic detailing, all three specimens exhibited ductile behavior under reverse cyclic lateral loading, achieving a minimum displacement ductility of 8.0. The obtained results also suggest that the material strain limits currently used for the seismic evaluation of existing bridges in Oregon considering operational performance criteria are conservative, but may still require further experimental validation. Finally, strain limits based on previous research at Portland State University (PSU) were compiled and combined with the results from this study to propose recommended strain limit values.
Book Synopsis Diagnostics and Retrofit of Flexural Rectangular Bridge Columns for Seismic Loads by : Zunling Sun
Download or read book Diagnostics and Retrofit of Flexural Rectangular Bridge Columns for Seismic Loads written by Zunling Sun and published by . This book was released on 1993 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Seismic Performance Design Criteria of Existing Bridge Bent Plastic Hinge Region and Rapid Repair Measures of Earthquake Damaged Bridges Considering Future Resilience by :
Download or read book Seismic Performance Design Criteria of Existing Bridge Bent Plastic Hinge Region and Rapid Repair Measures of Earthquake Damaged Bridges Considering Future Resilience written by and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main objective of this research was to evaluate the seismic performance of existing sub-standard reinforced concrete (RC) bridge column-spread footing subassemblies and to quantify the material strain limits through a full-scale experimental program. A total of six column-footing test specimens with pre-1990 construction details were subjected to reverse cyclic lateral loading, utilizing a conventional three-cycle symmetric loading protocol and a protocol representing the demands expected from a CSZ earthquake. Additionally, the tests were designed so that variable axial loading could be applied to simulate the secondary load effects experienced during an earthquake in a column that is part of a multi-column bent. A rapid repair method incorporating semi-permanent installation was also developed, anticipating the need for quick measures following the Cascadia Subduction Zone (CSZ) earthquake, which is expected to damage the existing bridges in the Pacific Northwest and spread geographically throughout the region. The proposed repair methodology uses capacity design principles to protect the remainder of the bridge from future earthquakes and eradicates the need for establishing rebar continuity, resulting in a less labor-intensive repair method. The adopted concept is to utilize U-shaped metallic plates as externally attached ductile fuses to be anchored to the non-damaged part of the column, hence bypassing the damaged zone to restore the lateral capacity.
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 Assessment of Hoop Strains in the Flexural Plastic Hinge Region of Typical Bridge Columns by : Yael D. Hose
Download or read book Assessment of Hoop Strains in the Flexural Plastic Hinge Region of Typical Bridge Columns written by Yael D. Hose and published by . This book was released on 2001 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors investigate hoop strain levels for various bridge columns that were measured in laboratory experiments. The objective was to determine how realistic these hoop strain levels are based on current design approaches. Focus was on the plastic hinge zone of the ductile columns. Results indicated that expected hoop strain levels at the design ductility of typical bridge columns are still well below the reduced strain capacity levels of stick-welded hoops. Included in this research project was the development of a method to allow for the quick assessment of other questionable confined columns to determine the amount of transverse steel required to prevent weld failure.
Book Synopsis Evaluation of Plastic Hinge Models and Inelastic Analysis Tools for Performance-based Seismic Design of RC Bridge Columns by : Lauren Kimberly Fedak
Download or read book Evaluation of Plastic Hinge Models and Inelastic Analysis Tools for Performance-based Seismic Design of RC Bridge Columns written by Lauren Kimberly Fedak and published by . This book was released on 2012 with total page 157 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Confinement and Flares on the Seismic Performance of Reinforced Concrete Bridge Columns by : Nadim I. Wehbe
Download or read book Effects of Confinement and Flares on the Seismic Performance of Reinforced Concrete Bridge Columns written by Nadim I. Wehbe and published by . This book was released on 2001 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Seismic Performance of Well-confined Concrete Bridge Columns by : Dawn Ellen Lehman
Download or read book Seismic Performance of Well-confined Concrete Bridge Columns written by Dawn Ellen Lehman and published by . This book was released on 2000 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Seismic Performance of RC Bridge Columns Reinforced with Two Interlocking Spirals by : Juan F. Correal
Download or read book Seismic Performance of RC Bridge Columns Reinforced with Two Interlocking Spirals written by Juan F. Correal and published by . This book was released on 2004 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Shear Strength and Deformability of RC Bridge Columns Subjected to Inelastic Cyclic Displacements by : Mark Aschheim
Download or read book Shear Strength and Deformability of RC Bridge Columns Subjected to Inelastic Cyclic Displacements written by Mark Aschheim and published by . This book was released on 1992 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 448 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research Project Work Plan for Seismic Performance Design Criteria for Existing Bridge Bent Plastic Hinge Regions by : Peter Dusicka
Download or read book Research Project Work Plan for Seismic Performance Design Criteria for Existing Bridge Bent Plastic Hinge Regions written by Peter Dusicka and published by . This book was released on 2016 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design Guidelines for Assessment Retrofit and Repair of Bridges for Seismic Performance by : M. J. N Priestley
Download or read book Design Guidelines for Assessment Retrofit and Repair of Bridges for Seismic Performance written by M. J. N Priestley and published by . This book was released on 1992 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Seismic Performance of a Two-column Bridge Bent with Offset Plastic Hinges and Innovative CFRP Composite on Flexible Footings by : Erik W. Reinhardt
Download or read book Seismic Performance of a Two-column Bridge Bent with Offset Plastic Hinges and Innovative CFRP Composite on Flexible Footings written by Erik W. Reinhardt and published by . This book was released on 2003 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proceedings written by and published by . This book was released on 2002 with total page 968 pages. Available in PDF, EPUB and Kindle. Book excerpt:
