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Experimental Assessment Of Performance Of Bridges
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Book Synopsis Experimental Assessment of Performance of Bridges by : Leon Ru-Liang Wang
Download or read book Experimental Assessment of Performance of Bridges written by Leon Ru-Liang Wang and published by . This book was released on 1986 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of a session on engineering mechanics at the ASCE Convention, held in Boston, Massachusetts, October 27, 1986. Sponsored by the Engineering Mechanics Division of ASCE. This collection contains seven papers on evaluating the performance of bridges. Four papers assess the global bridge behavior for prestressed steel plate girder and truss bridges, steel box girder bridges, and highway bridges. Three focus on concrete bridge decks that had been subjected to fatigue and cyclic loadings or to progressive deterioration.
Book Synopsis Experimental evaluation of seismic performance of bridge restrainers by : Anastasios G. Vlassis
Download or read book Experimental evaluation of seismic performance of bridge restrainers written by Anastasios G. Vlassis and published by . This book was released on 2000 with total page 143 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bridge Design, Assessment and Monitoring by : Airong Chen
Download or read book Bridge Design, Assessment and Monitoring written by Airong Chen and published by Routledge. This book was released on 2018-12-07 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bridges play important role in modern infrastructural system. This book provides an up-to-date overview of the field of bridge engineering, as well as the recent significant contributions to the process of making rational decisions in bridge design, assessment and monitoring and resources optimization deployment for the purpose of enhancing the welfare of society. Tang specifies the purposes and requirements of the conceptual bridge design, considering bridge types, basic elements, structural systems and load conditions. Cremona and Poulin propose an assessment procedure for existing bridges. Kallias et al. develop a framework for the performance assessment of metallic bridges under atmospheric exposure by integrating coating deterioration and corrosion modelling. Soriano et al. employ a simplified approach to estimate the maximum traffic load effect on a highway bridge and compare the results with other approaches based on on-site weigh-in-motion data. Akiyama et al. propose a method for reliability-based durability design and service life assessment of reinforced concrete deck slab of jetty structures. Chen et al. propose a meso-scale model to simulate the uniform and pitting corrosion of rebar in concrete and to obtain the crack patterns of the concrete with different rebar arrangements. Ruan et al. present a traffic load model for long span multi-pylon cable- stayed bridges. Khuc and Catbas implement a non-target vision- based method for the measurement of both static and dynamic displacements time histories. Finally, Cruz presents the career of the outstanding bridge engineer Edgar Cardoso in the fields of bridge design and experimental analysis. The book serves as a valuable reference to all concerned with bridge structure and infrastructure systems, including students, researchers, engineers, consultants and contractors from all areas sections of bridge engineering. The chapters originally published as a special issue in Structure and Infrastructure Engineering.
Book Synopsis Periodic Performance Evaluation by : C. Ceccarelli
Download or read book Periodic Performance Evaluation written by C. Ceccarelli and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Maintenance, Safety, Risk, Management and Life-Cycle Performance of Bridges by : Nigel Powers
Download or read book Maintenance, Safety, Risk, Management and Life-Cycle Performance of Bridges written by Nigel Powers and published by CRC Press. This book was released on 2018-07-04 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt: Maintenance, Safety, Risk, Management and Life-Cycle Performance of Bridges contains lectures and papers presented at the Ninth International Conference on Bridge Maintenance, Safety and Management (IABMAS 2018), held in Melbourne, Australia, 9-13 July 2018. This volume consists of a book of extended abstracts and a USB card containing the full papers of 393 contributions presented at IABMAS 2018, including the T.Y. Lin Lecture, 10 Keynote Lectures, and 382 technical papers from 40 countries. The contributions presented at IABMAS 2018 deal with the state of the art as well as emerging concepts and innovative applications related to the main aspects of bridge maintenance, safety, risk, management and life-cycle performance. Major topics include: new design methods, bridge codes, heavy vehicle and load models, bridge management systems, prediction of future traffic models, service life prediction, residual service life, sustainability and life-cycle assessments, maintenance strategies, bridge diagnostics, health monitoring, non-destructive testing, field testing, safety and serviceability, assessment and evaluation, damage identification, deterioration modelling, repair and retrofitting strategies, bridge reliability, fatigue and corrosion, extreme loads, advanced experimental simulations, and advanced computer simulations, among others. This volume provides both an up-to-date overview of the field of bridge engineering and significant contributions to the process of more rational decision-making on bridge maintenance, safety, risk, management and life-cycle performance of bridges for the purpose of enhancing the welfare of society. The Editors hope that these Proceedings will serve as a valuable reference to all concerned with bridge structure and infrastructure systems, including students, researchers and engineers from all areas of bridge engineering.
Book Synopsis Analytical and Experimental Evaluation of an Aluminum Bridge Deck Panel by :
Download or read book Analytical and Experimental Evaluation of an Aluminum Bridge Deck Panel written by and published by . This book was released on 2000 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Diagnostic and Proof Load Tests on Bridges by : Fikret Necati Catbas
Download or read book Diagnostic and Proof Load Tests on Bridges written by Fikret Necati Catbas and published by Frontiers Media SA. This book was released on 2020-12-11 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact.
Book Synopsis Maintenance, Monitoring, Safety, Risk and Resilience of Bridges and Bridge Networks by : Tulio Nogueira Bittencourt
Download or read book Maintenance, Monitoring, Safety, Risk and Resilience of Bridges and Bridge Networks written by Tulio Nogueira Bittencourt and published by CRC Press. This book was released on 2016-11-17 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt: Maintenance, Monitoring, Safety, Risk and Resilience of Bridges and Bridge Networks contains the lectures and papers presented at the Eighth International Conference on Bridge Maintenance, Safety and Management (IABMAS 2016), held in Foz do Iguaçu, Paraná, Brazil, 26-30 June, 2016. This volume consists of a book of extended abstracts and a DVD containing the full papers of 369 contributions presented at IABMAS 2016, including the T.Y. Lin Lecture, eight Keynote Lectures, and 360 technical papers from 38 countries. The contributions deal with the state-of-the-art as well as emerging concepts and innovative applications related to all main aspects of bridge maintenance, safety, management, resilience and sustainability. Major topics covered include: advanced materials, ageing of bridges, assessment and evaluation, bridge codes, bridge diagnostics, bridge management systems, composites, damage identification, design for durability, deterioration modeling, earthquake and accidental loadings, emerging technologies, fatigue, field testing, financial planning, health monitoring, high performance materials, inspection, life-cycle performance and cost, load models, maintenance strategies, non-destructive testing, optimization strategies, prediction of future traffic demands, rehabilitation, reliability and risk management, repair, replacement, residual service life, resilience, robustness, safety and serviceability, service life prediction, strengthening, structural integrity, and sustainability. This volume provides both an up-to-date overview of the field of bridge engineering as well as significant contributions to the process of making more rational decisions concerning bridge maintenance, safety, serviceability, resilience, sustainability, monitoring, risk-based management, and life-cycle performance using traditional and emerging technologies for the purpose of enhancing the welfare of society. It will serve as a valuable reference to all involved with bridge structure and infrastructure systems, including students, researchers and engineers from all areas of bridge engineering.
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 Perspectives on European Earthquake Engineering and Seismology by : Atilla Ansal
Download or read book Perspectives on European Earthquake Engineering and Seismology written by Atilla Ansal and published by Springer. This book was released on 2015-08-28 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book collects 4 keynote and 15 theme lectures presented at the 2nd European Conference on Earthquake Engineering and Seismology (2ECEES), held in Istanbul, Turkey, from August 24 to 29, 2014. The conference was organized by the Turkish Earthquake Foundation - Earthquake Engineering Committee and Prime Ministry, Disaster and Emergency Management Presidency under the auspices of the European Association for Earthquake Engineering (EAEE) and European Seismological Commission (ESC). The book’s nineteen state-of-the-art chapters were written by the most prominent researchers in Europe and address a comprehensive collection of topics on earthquake engineering, as well as interdisciplinary subjects such as engineering seismology and seismic risk assessment and management. Further topics include engineering seismology, geotechnical earthquake engineering, seismic performance of buildings, earthquake-resistant engineering structures, new techniques and technologies, and managing risk in seismic regions. The book also presents the First Professor Inge Lehmann Distinguished Award Lecture given by Prof. Shamita Das in honor of Prof. Dr. Inge Lehmann. The aim of this work is to present the state-of-the art and latest practices in the fields of earthquake engineering and seismology, with Europe’s most respected researchers addressing recent and ongoing developments while also proposing innovative avenues for future research and development. Given its cutting-edge conten t and broad spectrum of topics, the book offers a unique reference guide for researchers in these fields. Audience: This book is of interest to civil engineers in the fields of geotechnical and structural earthquake engineering; scientists and researchers in the fields of seismology, geology and geophysics. Not only scientists, engineers and students, but also those interested in earthquake hazard assessment and mitigation will find in this book the most recent advances.
Book Synopsis The Analytical and Experimental Evaluation of the Dynamic Behavior of Bridges by : Arthur L. J. Wolek
Download or read book The Analytical and Experimental Evaluation of the Dynamic Behavior of Bridges written by Arthur L. J. Wolek and published by . This book was released on 1992 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Experimental Projects Tabulation by :
Download or read book National Experimental Projects Tabulation written by and published by . This book was released on 1985 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Evaluation of the Seismic Performance of Hospital Piping Subassemblies by : Elliott Richard Goodwin
Download or read book Experimental Evaluation of the Seismic Performance of Hospital Piping Subassemblies written by Elliott Richard Goodwin and published by . This book was released on 2007 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Assessment of the Dynamics and Performance of an In-service Twelve-span Twin Bridge Using In-situ Testing and Finite Element Modelling by : Xinghua Chen
Download or read book Assessment of the Dynamics and Performance of an In-service Twelve-span Twin Bridge Using In-situ Testing and Finite Element Modelling written by Xinghua Chen and published by . This book was released on 2016 with total page 219 pages. Available in PDF, EPUB and Kindle. Book excerpt: Highway bridges are among the most critical components of any nation's infrastructure. They are subjected to dead and live loads along with extreme stresses resulting from natural and man-made hazards. To improve the quality of bridge infrastructures and avoid extensive human and economic losses due to bridge collapse or loss of functionality, the performance of structures in service needs to be properly assessed to maintain safe and efficient operation. To that end, various aspects of vibration based safety and performance assessment of bridge structures are investigated in this study. The results of vibration-based performance assessment of a twelve-span curved post-tensioned concrete bridge using full-scale testing data and finite element (FE) modelling are presented and discussed. The study revolves around establishment of an experimentally validated baseline FE model essential for performance assessment of a complex bridge. The first part of this dissertation is devoted to experimental operational modal analysis (OMA) of the bridge. Two full-scale, in-situ ambient dynamic test campaigns executed on the bridge during construction and shortly after completion are described. Four output-only system identification techniques were used to analyse the data obtained in these tests in order to identify the modal properties of the viaduct. These modal identification methods included: i) peak picking (PP), ii) enhanced frequency domain decomposition (EFDD), iii) eigensystem realisation algorithm-natural excitation technique (ERA-NExT), and iv) data-driven stochastic subspace identification (SSI-DATA). A comparative study of these four output-only system identification techniques was conducted to assess their performance. The results showed that ambient-vibration measurements were sufficient to identify multiple structural modes with low natural frequencies. The accuracy and efficiency of the four system identification methods were investigated and compared. Overall, the natural frequencies and mode shapes identified using the different identification methods were found to be in good agreement across the four methods, although the methods entailed varying computational load. However, EFDD gave the highest quality results followed by SSI-DATA. Damping estimates, on the other hand, showed considerable variability between the methods, and within individual methods when applied to different segments of data. Model calibration of the developed preliminary FE model is then presented. A model updating procedure based on the experimental characteristics identified was used for the calibration. The preliminary FE modelling of the bridge was based on the information provided in the design documentation, material testing data and from site inspections. Relatively large differences were observed when the experimentally identified natural frequencies and mode shapes were compared with their analytical counterparts. The response surface (RS) method based on the support vector machine (SVM) was proposed and utilised for the identification of structural parameters related to the stiffness properties of critical elements of the bridge. To aid comparison with the proposed model, a second-order model was also employed for the model updating. A hybrid optimisation procedure based on genetic algorithms (GA) was implemented to find the best set of FE model parameters for minimising the objective function. The objective function was defined by expressing the discrepancy between the measured and analytical response characteristics. Different parameters of the model were calibrated using the proposed procedure to improve correlation between the measured and calculated modal parameters. A discussion and comparison of the model updating results achieved by using the two RS methods follows. The consistency of the final FE model updating results between the two methods enabled confirmation of the updating results. In the final part of the dissertation, a vibration-based method for structural performance assessment is proposed based on FE modelling calibrated using experimental data. Following the proposed approach, one more full-scale, in-situ ambient dynamic test campaign was executed on the Newmarket Viaduct after two years of operation. The measured natural frequencies and mode shapes extracted from vibration data collected at different construction stages were compared and analysed to reveal the response mechanisms. The analysis of the modal data from the two tests, separated by a two-year interval, showed that there was no obvious structural change. The fuzzy c-means method (FCM) was also used to further check and confirm the results. Based on the results, the reference FE model of the bridge did not require updating at this time. Once a change is identified, updating will be applied in order to identify a new structural state. The comparison of the updated model parameters with their baseline values would then be used for identification of parameter changes within the structure. Finally, the updated model was used for evaluation of the bridge structure's load carrying capacity (LCC). Evaluation of bridge's LCC comprised the prediction of the deflected shape and girder internal forces due to the dead load and traffic loading. Based on the results, it can be shown that the study bridge has the capability to withstand the design traffic loads with a considerable safety margin. The research work presented and the results obtained in this dissertation will contribute to the development of robust and reliable vibration-based performance assessment practice for large and complex bridges. It was shown that field vibration tests coupled with FE modelling and updating can be reliably used for structural performance assessment over time.
Book Synopsis Experimental Evaluation of Longitudinal Seismic Performance of Bridge Restrainers at In-Span Hinges by : AG. Vlassis
Download or read book Experimental Evaluation of Longitudinal Seismic Performance of Bridge Restrainers at In-Span Hinges written by AG. Vlassis and published by . This book was released on 2004 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: A specimen consisting of two box girder reinforced concrete blocks representing the adjacent spans of a reference bridge at an in-span hinge was constructed and tested under incrementally increasing input excitation to investigate the impact between adjacent bridge spans at in-span hinges, to evaluate the efficacy of restrainers in reducing relative displacements across the hinges, and to examine the effects of restrainer stiffness and gap on the response of the hinge-restrainer system. Cable restrainers were used to connect the two blocks, the number and gap of which were varied during the experiments. The experimental results indicated that impacts between the adjacent frames produce acceleration levels significantly higher than what is typically assumed in design. In all the restrained system cases, restrainers were capable of reducing hinge relative displacements and preventing span unseating. However, restrainer yielding occurred under strong input motions, especially when the restrainer gap was set to zero.
Book Synopsis ASCE Combined Index by : American Society of Civil Engineers
Download or read book ASCE Combined Index written by American Society of Civil Engineers and published by . This book was released on 1996 with total page 1212 pages. Available in PDF, EPUB and Kindle. Book excerpt: Indexes materials appearing in the Society's Journals, Transactions, Manuals and reports, Special publications, and Civil engineering.
Book Synopsis Evaluating Bridge Performance: Load Rating Bridges Without Plans and Experimental Displacement Influence Lines by : Jun Huang
Download or read book Evaluating Bridge Performance: Load Rating Bridges Without Plans and Experimental Displacement Influence Lines written by Jun Huang and published by . This book was released on 2007 with total page 307 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the best alternatives for bridges which need accurate load rating, is through field testing. Presented in this dissertation are two studies on evaluating the performance of bridges based on the results of a diagnostic load test. The first topic is focused on load rating bridges without plans using the results of a diagnostic test. The second topic is focused on utilizing measured displacements from a field test to evaluate the bridge performance.
