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Seismic Retrofit Case Study Of Reinforced Concrete Bridges With Buckling Restrained Braces
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Book Synopsis Seismic Retrofit Case Study of Reinforced Concrete Bridges with Buckling Restrained Braces by :
Download or read book Seismic Retrofit Case Study of Reinforced Concrete Bridges with Buckling Restrained Braces written by and published by . This book was released on 2017 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: This case study investigates the buckling restrained braces (BRB) retrofit concept as compared to traditional retrofit measures for a sample of typical vulnerable bridges in Oregon. The objectives of evaluating these cases were to determine the feasibility of the concept both in terms of performance as well as construction costs. This study builds on the ongoing research at Portland State University into the development of the fuse retrofit concept for Oregon highway bridges and follows recently completed large scale laboratory tests of BRB retrofitted bents. Three reinforced concrete highway bridges were selected from the Oregon Department of Transportation (ODOT) bridge inventory to represent a typical layout that characterizes numerous bridges that are seismically vulnerable across Oregon. The three bridges included varying skews and pier cap beam configurations to determine the impact of these characteristics on the seismic retrofit implementation and performance. Seismic vulnerability assessments of the existing bridges were conducted in accordance with the guidelines of the ODOT Bridge Design and Drafting Manual (BDDM). Preliminary designs were then developed considering conventional retrofit measures as well as the newly proposed retrofit measure utilizing BRBs as ductile fuses. Comparison was then made among the bridges relative to their expected seismic performance and estimated retrofit construction cost.
Book Synopsis Case Studies of Rehabilitation, Repair, Retrofitting, and Strengthening of Structures by : Mourad M. Bakhoum
Download or read book Case Studies of Rehabilitation, Repair, Retrofitting, and Strengthening of Structures written by Mourad M. Bakhoum and published by IABSE. This book was released on 2010 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Achieving Operational Seismic Performance of RC Bridge Bents Retrofitted With Buckling-Restrained Braces by :
Download or read book Achieving Operational Seismic Performance of RC Bridge Bents Retrofitted With Buckling-Restrained Braces written by and published by . This book was released on 2017 with total page 363 pages. Available in PDF, EPUB and Kindle. Book excerpt: Typical reinforced concrete (RC) bridges built prior to 1970 were designed with minimum seismic consideration, leaving numerous bridges highly susceptible to damage following an earthquake. In order to improve the seismic behavior of substandard RC bridges, this study presents the seismic performance of reinforced concrete bridge bents retrofitted and repaired using Buckling-Restrained Braces (BRBs) while considering subduction zone earthquake demands. In order to reflect displacement demands from subduction ground motions, research studies were conducted to develop quasi-static loading protocols and then investigate their effect on structural bridge damage. Results suggested that subduction loading protocols may reduce the displacement ductility capacity of RC bridge columns and change their failure mode. The cyclic performance of reinforced concrete bridge bents retrofitted and repaired using BRBs was experimentally evaluated using large-scale specimens and the developed loading histories. Three BRB specimens were evaluated with the aim of assessing the influence of these components on the overall performance of the retrofitted and repaired bents. Additionally, subassemblage tests were conducted in an effort to study the response of these elements and to allow for refined nonlinear characterization in the analysis of the retrofitted and repaired systems. The results of the large-scale experiments and analytical studies successfully demonstrated the effectiveness of utilizing buckling-restrained braces for achieving high displacement ductility of the retrofitted and repaired structures, while also controlling the damage of the existing vulnerable reinforced concrete bent up to an operational performance level.
Book Synopsis The Feasibility of Using Buckling-restrained Braces for Long-span Bridges by : Joel Lanning
Download or read book The Feasibility of Using Buckling-restrained Braces for Long-span Bridges written by Joel Lanning and published by . This book was released on 2011 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Seismic Design Aids for Nonlinear Pushover Analysis of Reinforced Concrete and Steel Bridges by : Jeffrey Ger
Download or read book Seismic Design Aids for Nonlinear Pushover Analysis of Reinforced Concrete and Steel Bridges written by Jeffrey Ger and published by CRC Press. This book was released on 2016-04-19 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nonlinear static monotonic (pushover) analysis has become a common practice in performance-based bridge seismic design. The popularity of pushover analysis is due to its ability to identify the failure modes and the design limit states of bridge piers and to provide the progressive collapse sequence of damaged bridges when subjected to major earthq
Book Synopsis Seismic Retrofit of Bridge Steel Truss Piers Using a Controlled Rocking Approach by : Michael Pollino
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:
Book Synopsis Approaches for the Seismic Retrofit of Braced Steel Bridge Piers and Proof-of-concept Testing of an Eccentrically Braced Frame with Tubular Link by : Jeffrey W. Berman
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:
Book Synopsis Seismic Response of Concrete Bridges by : Kosalram Krishnan
Download or read book Seismic Response of Concrete Bridges written by Kosalram Krishnan and published by . This book was released on 1999 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Performance-based Seismic Bridge Design by : M. Lee Marsh
Download or read book Performance-based Seismic Bridge Design written by M. Lee Marsh and published by Transportation Research Board. This book was released on 2013 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt: "TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 440, Performance-Based Seismic Bridge Design (PBSD) summarizes the current state of knowledge and practice for PBSD. PBSD is the process that links decision making for facility design with seismic input, facility response, and potential facility damage. The goal of PBSD is to provide decision makers and stakeholders with data that will enable them to allocate resources for construction based on levels of desired seismic performance"--Publisher's description.
Book Synopsis Design and Evaluation of Reinforced Concrete Bridges for Seismic Resistance by : Mark Amos Aschheim
Download or read book Design and Evaluation of Reinforced Concrete Bridges for Seismic Resistance written by Mark Amos Aschheim and published by . This book was released on 1995 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Comparative Analysis of Seismic Retrofit Techniques for Reinforced Concrete Bridge Columns by : Jacques Sarrazin
Download or read book A Comparative Analysis of Seismic Retrofit Techniques for Reinforced Concrete Bridge Columns written by Jacques Sarrazin and published by . This book was released on 2004 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design and Evaluation of Reinforced Concrete Bridges for Seismic Resistance by : Mark Aschheim
Download or read book Design and Evaluation of Reinforced Concrete Bridges for Seismic Resistance written by Mark Aschheim and published by . This book was released on 1997 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this report, seismic design approaches for reinforced concrete bridges are reviewed and uncertainties in seismic design and evaluation are discussed. The modeling of bridge components and systems is discussed, and analytical studies of the response series of simple bridges are made. The relative utility of several design approaches and stiffness assumptions for controlling seismic demands is assessed. Modeling of column and wall pier flexural and shear strengths is examined in detail, and available models for the inelastic shear strength of columns are compared with test data.
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:
Book Synopsis Seismic Retrofit of Curved Bridges on Soft Soils Using Buckling Restrained Braces by : Anurag Upadhyay
Download or read book Seismic Retrofit of Curved Bridges on Soft Soils Using Buckling Restrained Braces written by Anurag Upadhyay and published by . This book was released on 2016 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Seismic Design and Assessment of Bridges by : Andreas J. Kappos
Download or read book Seismic Design and Assessment of Bridges written by Andreas J. Kappos and published by Springer Science & Business Media. This book was released on 2012-04-18 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book focuses on the use of inelastic analysis methods for the seismic assessment and design of bridges, for which the work carried out so far, albeit interesting and useful, is nevertheless clearly less than that for buildings. Although some valuable literature on the subject is currently available, the most advanced inelastic analysis methods that emerged during the last decade are currently found only in the specialised research-oriented literature, such as technical journals and conference proceedings. Hence the key objective of this book is two-fold, first to present all important methods belonging to the aforementioned category in a uniform and sufficient for their understanding and implementation length, and to provide also a critical perspective on them by including selected case-studies wherein more than one methods are applied to a specific bridge and by offering some critical comments on the limitations of the individual methods and on their relative efficiency. The book should be a valuable tool for both researchers and practicing engineers dealing with seismic design and assessment of bridges, by both making the methods and the analytical tools available for their implementation, and by assisting them to select the method that best suits the individual bridge projects that each engineer and/or researcher faces.
Book Synopsis Evaluation of Seismic Retrofit Methods for Reinforced Concrete Bridge Columns by : Terry J. Wayne
Download or read book Evaluation of Seismic Retrofit Methods for Reinforced Concrete Bridge Columns written by Terry J. Wayne and published by . This book was released on 1997 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Seismic retrofit and design recommendations for reinforced concrete bridge columns (PHD). by : Limin Jin
Download or read book Seismic retrofit and design recommendations for reinforced concrete bridge columns (PHD). written by Limin Jin and published by . This book was released on 1995 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
