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Author : Michael Pollino
Publisher :
ISBN 13 :
Total Pages : 254 pages
Book Rating : 4.:/5 (318 download)
Download or read book Seismic Retrofit of Bridge Steel Truss Piers Using a Controlled Rocking Approach written by Michael Pollino and published by . This book was released on 2004 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michael Pollino
Publisher :
ISBN 13 :
Total Pages : 492 pages
Book Rating : 4.:/5 (318 download)
Download or read book Analytical and Experimental Investigation of a Controlled Rocking Approach for Seismic Protection of Bridge Steel Truss Piers written by Michael Pollino and published by . This book was released on 2008 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jeffrey W. Berman
Publisher :
ISBN 13 :
Total Pages : 176 pages
Book Rating : 4.:/5 (318 download)
Download or read book Approaches for the Seismic Retrofit of Braced Steel Bridge Piers and Proof-of-concept Testing of an Eccentrically Braced Frame with Tubular Link written by Jeffrey W. Berman and published by . This book was released on 2005 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 431 pages
Book Rating : 4.:/5 (144 download)
Download or read book The Development of Tubular Eccentrically Braced Frames Links for the Seismic Retrofit of Braced Steel Bridge Piers written by and published by . This book was released on 2006 with total page 431 pages. Available in PDF, EPUB and Kindle. Book excerpt: There are many steel truss bridges in the United States and other countries that were constructed prior to 1940 when seismic demands on structures were not well understood. Many of these bridges are now considered seismically vulnerable. Contributing significantly to their undesirable seismic performance are the steel piers that support the superstructure. These piers typically have bracing members that are made up of channels or angles that are tied together with steel lacings and rivets. Recent experimental investigations have shown that such structural members can suffer severe local buckling, rapid strength degradation, and limited ductility, when subjected to cyclic loading. Therefore, it is necessary to develop retrofit strategies for these piers that focus on protecting, strengthening, or increasing the ductility of the existing brace members. This report describes, categorizes, and uses selected qualitative measures to rate various retrofit strategies for steel truss bridge piers. Promising retrofit strategies that require fundamental research before they can be properly implemented are then identified. One such strategy is an eccentrically braced frame where the link is not subject to lateral torsional buckling. This is desirable since eccentrically braced frames have been shown to exhibit excellent seismic performance, and if lateral bracing of the link can be avoided, they can be implemented in bridge piers where lateral bracing can be difficult to provide. Design equations were derived for links of eccentrically braced frames with hybrid rectangular cross-sections (hybrid meaning that the webs and flanges may have different yield stresses) accounting for compactness and stiffener spacings. Using the derived design equations, a proof-of-concept experimental study was designed and conducted. It is found that the hybrid rectangular link shows stable and ductile cyclic behavior with no sign of lateral torsional buckling, in the absence of lateral bracing. A finite element parametric study was performed to investigate the effects of key design parameters for rectangular link cross-sections on link rotation capacity, energy dissipation, and overstrength. The models for the parametric study were validated by comparison with the proof-of-concept experimental study. Results of this parametric study are used to revise the proposed design recommendations and provide insight into the behavior of tubular links. A second experimental program was then developed. This program tests fourteen links with cross-sections that were at the revised limits for web and flange compactness and four different link lengths. (Abstract shortened by UMI.).
Author : Jeffrey W. Berman
Publisher :
ISBN 13 :
Total Pages : 328 pages
Book Rating : 4.:/5 (318 download)
Download or read book Further Development of Tubular Eccentrically Braced Frame Links for the Seismic Retrofit of Braced Steel Truss Bridge Piers written by Jeffrey W. Berman and published by . This book was released on 2006 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wai-Fah Chen
Publisher : CRC Press
ISBN 13 : 1482255030
Total Pages : 3130 pages
Book Rating : 4.4/5 (822 download)
Download or read book Bridge Engineering Handbook, Five Volume Set written by Wai-Fah Chen and published by CRC Press. This book was released on 2014-01-24 with total page 3130 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over 140 experts, 14 countries, and 89 chapters are represented in the second edition of the Bridge Engineering Handbook. This extensive collection provides detailed information on bridge engineering, and thoroughly explains the concepts and practical applications surrounding the subject, and also highlights bridges from around the world.Published
Author : Wai-Fah Chen
Publisher : CRC Press
ISBN 13 : 1439852324
Total Pages : 722 pages
Book Rating : 4.4/5 (398 download)
Download or read book Bridge Engineering Handbook written by Wai-Fah Chen and published by CRC Press. This book was released on 2014-01-24 with total page 722 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over 140 experts, 14 countries, and 89 chapters are represented in the second edition of the Bridge Engineering Handbook. This extensive collection highlights bridge engineering specimens from around the world, contains detailed information on bridge engineering, and thoroughly explains the concepts and practical applications surrounding the subjec
Author : Federico Mazzolani
Publisher : CRC Press
ISBN 13 : 0203861590
Total Pages : 998 pages
Book Rating : 4.2/5 (38 download)
Download or read book Behaviour of Steel Structures in Seismic Areas written by Federico Mazzolani and published by CRC Press. This book was released on 2009-12-03 with total page 998 pages. Available in PDF, EPUB and Kindle. Book excerpt: Behaviour of Steel Structures in Seismic Areas comprises the latest progress in both theoretical and experimental research on the behaviour of steel structures in seismic areas. The book presents the most recent trends in the field of steel structures in seismic areas, with particular reference to the utilisation of multi-level performance bas
Author : Wai-Fah Chen
Publisher : CRC Press
ISBN 13 : 1439852189
Total Pages : 742 pages
Book Rating : 4.4/5 (398 download)
Download or read book Bridge Engineering Handbook, Second Edition written by Wai-Fah Chen and published by CRC Press. This book was released on 2014-01-24 with total page 742 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over 140 experts, 14 countries, and 89 chapters are represented in the second edition of the Bridge Engineering Handbook. This extensive collection highlights bridge engineering specimens from around the world, contains detailed information on bridge engineering, and thoroughly explains the concepts and practical applications surrounding the subject. Published in five books: Fundamentals, Superstructure Design, Substructure Design, Seismic Design, and Construction and Maintenance, this new edition provides numerous worked-out examples that give readers step-by-step design procedures, includes contributions by leading experts from around the world in their respective areas of bridge engineering, contains 26 completely new chapters, and updates most other chapters. It offers design concepts, specifications, and practice, as well as the various types of bridges. The text includes over 2,500 tables, charts, illustrations, and photos. The book covers new, innovative and traditional methods and practices; explores rehabilitation, retrofit, and maintenance; and examines seismic design and building materials. The fourth book, Seismic Design contains 18 chapters, and covers seismic bridge analysis and design. What’s New in the Second Edition: Includes seven new chapters: Seismic Random Response Analysis, Displacement-Based Seismic Design of Bridges, Seismic Design of Thin-Walled Steel and CFT Piers, Seismic Design of Cable-Supported Bridges, and three chapters covering Seismic Design Practice in California, China, and Italy Combines Seismic Retrofit Practice and Seismic Retrofit Technology into one chapter called Seismic Retrofit Technology Rewrites Earthquake Damage to Bridges and Seismic Design of Concrete Bridges chapters Rewrites Seismic Design Philosophies and Performance-Based Design Criteria chapter and retitles it as Seismic Bridge Design Specifications for the United States Revamps Seismic Isolation and Supplemental Energy Dissipation chapter and retitles it as Seismic Isolation Design for Bridges This text is an ideal reference for practicing bridge engineers and consultants (design, construction, maintenance), and can also be used as a reference for students in bridge engineering courses.
Author : K.M. Mahmoud
Publisher : CRC Press
ISBN 13 : 9780203017876
Total Pages : 396 pages
Book Rating : 4.0/5 (178 download)
Download or read book Recent Developments In Bridge Engineering written by K.M. Mahmoud and published by CRC Press. This book was released on 2003-01-01 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains a selected number of papers that were presented at the Second New York City Bridge Conference organized by the Bridge Engineering Association. It represents the state-of-the-art papers from different countries on a wide spectrum of topics in bridge engineering.
Author : Tom Ho
Publisher :
ISBN 13 :
Total Pages : 196 pages
Book Rating : 4.:/5 (318 download)
Download or read book Seismic Retrofitting Guidelines for Complex Steel Truss Highway Bridges written by Tom Ho and published by . This book was released on 2006 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Daniel M. Fenz
Publisher :
ISBN 13 :
Total Pages : 190 pages
Book Rating : 4.:/5 (318 download)
Download or read book Mechanical Behavior of Multi-spherical Sliding Bearings written by Daniel M. Fenz and published by . This book was released on 2008 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Macarena Schachter
Publisher :
ISBN 13 :
Total Pages : 272 pages
Book Rating : 4.:/5 (318 download)
Download or read book Three-dimensional Modeling of Inelastic Buckling in Frame Structures written by Macarena Schachter and published by . This book was released on 2007 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: Inelastic buckling is the most important failure mode of a steel beam column element subjected to compression force. In order to correctly predict this phenomenon, large rotations, large displacements and the plasticity of the section along the element must be considered. Several formulations have been proposed to model problems with three dimensional large displacements and rigid body dynamics. They are usually based in the Lagrangian or the Corotational methods and are primarily oriented to solve mechanical and aerospace problems, although some applications to structural stability do exist. Independently, several formulations have been developed to model plasticity: fiber elements, plastic flow theory and lumped plasticity are popular choices. In this dissertation a novel formulation capable of solving problems with displacement and material nonlinearities in a unified way is developed. Thus, the State Space approach is selected because all the basic equations of structures: equilibrium, compatibility and plasticity are solved simultaneously and thus the global and local states are mutually and explicitly dependent. To incorporate geometric nonlinearities, the Corotational approach, where rigid body motion and deformations are described separately, is adopted. To incorporate material nonlinearities, the formulation developed by Simeonov (1999) and Sivaselvan (2003) is included. In general, the set of equilibrium, compatibility and plasticity equations constitute a system of Differential Algebraic Equations (DAE). A procedure to solve such system exists and is implemented in the package IDA (Implicit Differential Algebraic solver) developed at the Lawrence Livermore National Laboratory (LLNL), which is used to solve the problem numerically. An experimental study on "zipper frames" was conducted to assess the accuracy of the proposed formulation. A "zipper frame" is a chevron braced frame where the beam to brace connections are linked through columns, called "zipper columns". The failure mode of a "zipper frame" is the successive inelastic buckling of its braces. Three shake table tests of a three stories "zipper frame" were performed at the UB-NEES laboratory. A model of the first story of the "zipper frame" was analyzed with the new formulation and its results compared to experimental data. It is found that the new formulation can reproduce the features of the test and it is very sensitive to all the model parameters. Results are presented
Author :
Publisher :
ISBN 13 :
Total Pages : 162 pages
Book Rating : 4.:/5 (318 download)
Download or read book Linking Lifeline Infrastructure Performance and Community Disaster Resilience written by and published by . This book was released on 2008 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Peter Dusicka
Publisher :
ISBN 13 :
Total Pages : 92 pages
Book Rating : 4.:/5 (318 download)
Download or read book Cyclic Response and Low Cycle Fatigue Characteristics of Plate Steels written by Peter Dusicka and published by . This book was released on 2006 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. J. N. Priestley
Publisher : John Wiley & Sons
ISBN 13 : 9780471579984
Total Pages : 704 pages
Book Rating : 4.5/5 (799 download)
Download or read book Seismic Design and Retrofit of Bridges written by M. J. N. Priestley and published by John Wiley & Sons. This book was released on 1996-04-12 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt: Because of their structural simplicity, bridges tend to beparticularly vulnerable to damage and even collapse when subjectedto earthquakes or other forms of seismic activity. Recentearthquakes, such as the ones in Kobe, Japan, and Oakland,California, have led to a heightened awareness of seismic risk andhave revolutionized bridge design and retrofit philosophies. In Seismic Design and Retrofit of Bridges, three of the world's topauthorities on the subject have collaborated to produce the mostexhaustive reference on seismic bridge design currently available.Following a detailed examination of the seismic effects of actualearthquakes on local area bridges, the authors demonstrate designstrategies that will make these and similar structures optimallyresistant to the damaging effects of future seismicdisturbances. Relying heavily on worldwide research associated with recentquakes, Seismic Design and Retrofit of Bridges begins with anin-depth treatment of seismic design philosophy as it applies tobridges. The authors then describe the various geotechnicalconsiderations specific to bridge design, such as soil-structureinteraction and traveling wave effects. Subsequent chapters coverconceptual and actual design of various bridge superstructures, andmodeling and analysis of these structures. As the basis for their design strategies, the authors' focus is onthe widely accepted capacity design approach, in which particularlyvulnerable locations of potentially inelastic flexural deformationare identified and strengthened to accommodate a greater degree ofstress. The text illustrates how accurate application of thecapacity design philosophy to the design of new bridges results instructures that can be expected to survive most earthquakes withonly minor, repairable damage. Because the majority of today's bridges were built before thecapacity design approach was understood, the authors also devoteseveral chapters to the seismic assessment of existing bridges,with the aim of designing and implementing retrofit measures toprotect them against the damaging effects of future earthquakes.These retrofitting techniques, though not considered appropriate inthe design of new bridges, are given considerable emphasis, sincethey currently offer the best solution for the preservation ofthese vital and often historically valued thoroughfares. Practical and applications-oriented, Seismic Design and Retrofit ofBridges is enhanced with over 300 photos and line drawings toillustrate key concepts and detailed design procedures. As the onlytext currently available on the vital topic of seismic bridgedesign, it provides an indispensable reference for civil,structural, and geotechnical engineers, as well as students inrelated engineering courses. A state-of-the-art text on earthquake-proof design and retrofit ofbridges Seismic Design and Retrofit of Bridges fills the urgent need for acomprehensive and up-to-date text on seismic-ally resistant bridgedesign. The authors, all recognized leaders in the field,systematically cover all aspects of bridge design related toseismic resistance for both new and existing bridges. * A complete overview of current design philosophy for bridges,with related seismic and geotechnical considerations * Coverage of conceptual design constraints and their relationshipto current design alternatives * Modeling and analysis of bridge structures * An exhaustive look at common building materials and theirresponse to seismic activity * A hands-on approach to the capacity design process * Use of isolation and dissipation devices in bridge design * Important coverage of seismic assessment and retrofit design ofexisting bridges
Author : Keith E. Kesner
Publisher :
ISBN 13 :
Total Pages : 238 pages
Book Rating : 4.:/5 (318 download)
Download or read book Development of Seismic Strengthening and Retrofit Strategies for Critical Facilities Using Engineered Cementitious Composite Materials written by Keith E. Kesner and published by . This book was released on 2005 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt:
