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Optimal Infrastructure System Maintenance And Repair Policies With Random Deterioration Model Parameters
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Book Synopsis Optimal Infrastructure System Maintenance and Repair Policies with Random Deterioration Model Parameters by : Sejung Park
Download or read book Optimal Infrastructure System Maintenance and Repair Policies with Random Deterioration Model Parameters written by Sejung Park and published by . This book was released on 2004 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accurate facility deterioration models are important inputs for the selection of Infrastructure Maintenance, Repair, and Reconstruction (MR & R) policies. Deterioration models are developed based on expert judgment or empirical observations. These resources, however, might not be sufficient to accurately represent the performance of infrastructure facilities. Incorrect deterioration models may lead to wrong predictions of infrastructure performance and selection of inappropriate MR & R policies. This results in higher lifecycle costs. Existing infrastructure MR & R decisionmaking models assume that deterioration models represent the real deterioration process of infrastructure facilities. This assumption ignores the uncertainty in empirically derived facility deterioration models. This dissertation presents a methodology for selecting MR & R policies for systems of infrastructure facilities under uncertainty in the deterioration model parameters. It is assumed that inspections reveal the true conditions of facilities. Based on the inspection results, the deterioration model parameters can be updated to express the deterioration process more accurately. It is expected that more appropriate maintenance policies will be selected as a result. In the first part of this dissertation, it is assumed that facility inspections are performed at the beginning of every year. The model parameters are updated and MR & R policies are selected every year using the updated deterioration models. In the second part, the assumption is relaxed and alternate inspection frequencies are considered. In this case, the updates of the model parameters and the selection of optimal MR & R policies are executed only after an inspection. The results of the parametric analyses demonstrate that updating the deterioration models reduces the expected system costs. The results also show that relaxing the facility inspection frequency can reduce the total costs further.
Book Synopsis Uncertainty in Infrastructure Deterioration Modeling and Robust Maintenance Policies for Markovian Management Systems by : Kenneth David Kuhn
Download or read book Uncertainty in Infrastructure Deterioration Modeling and Robust Maintenance Policies for Markovian Management Systems written by Kenneth David Kuhn and published by . This book was released on 2006 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2008 with total page 946 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Maintenance models for systems subject to measurable deterioration by : Robin Pieter Nicolai
Download or read book Maintenance models for systems subject to measurable deterioration written by Robin Pieter Nicolai and published by Rozenberg Publishers. This book was released on 2008 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: Complex engineering systems such as bridges, roads, flood defence structures, and power pylons play an important role in our society. Unfortunately such systems are subject to deterioration, meaning that in course of time their condition falls from higher to lower, and possibly even to unacceptable, levels. Maintenance actions such as inspection, local repair and replacement should be done to retain such systems in or restore them to acceptable operating conditions. After all, the economic consequences of malfunctioning infrastructure systems can be huge. In the life-cycle management of engineering systems, the decisions regarding the timing and the type of maintenance depend on the temporal uncertainty associated with the deterioration. Hence it is of importance to model this uncertainty. In the literature, deterioration models based on Brownian motion and gamma process have had much attention, but a thorough comparison of these models lacks. In this thesis both models are compared on several aspects, both in a theoretical as well as in an empirical setting. Moreover, they are compared with physical process models, which can capture structural insights into the underlying process. For the latter a new framework is developed to draw inference. Next, models for imperfect maintenance are investigated. Finally, a review is given for systems consisting of multiple components.
Book Synopsis Optimal Preventive Repair Policy for a Semi-Markov Deterioration Shock Model by : Ciriaco Valdez-Flores
Download or read book Optimal Preventive Repair Policy for a Semi-Markov Deterioration Shock Model written by Ciriaco Valdez-Flores and published by . This book was released on 1987 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Life-Cycle Cost and Performance of Civil Infrastructure Systems by : Hyo-Nam Cho
Download or read book Life-Cycle Cost and Performance of Civil Infrastructure Systems written by Hyo-Nam Cho and published by CRC Press. This book was released on 2007-07-18 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt: This bookcontains papers covering a wide range of studies on life-cycle performance analysis, design, maintenance, monitoring, management, and cost of civil infrastructure systems. Topics include reliability and optimization as design basis tools, monitoring systems, life-cycle cost analysis and management, bridge management systems, and quality control acceptance criteria. The book also discusses seismic reliability analysis of deteriorating structures, bridge inspection strategies, life-cycle cost analysis of structures on a network level, optimal risk-based design of infrastructures, updating bridge reliability using load monitoring data and statistics of extremes, rehabilitation of bridges, and lifetime analysis and structural repair of civil infrastructure systems.
Book Synopsis Life-Cycle Civil Engineering: Innovation, Theory and Practice by : Airong Chen
Download or read book Life-Cycle Civil Engineering: Innovation, Theory and Practice written by Airong Chen and published by CRC Press. This book was released on 2021-02-26 with total page 1758 pages. Available in PDF, EPUB and Kindle. Book excerpt: Life-Cycle Civil Engineering: Innovation, Theory and Practice contains the lectures and papers presented at IALCCE2020, the Seventh International Symposium on Life-Cycle Civil Engineering, held in Shanghai, China, October 27-30, 2020. It consists of a book of extended abstracts and a multimedia device containing the full papers of 230 contributions, including the Fazlur R. Khan lecture, eight keynote lectures, and 221 technical papers from all over the world. All major aspects of life-cycle engineering are addressed, with special emphasis on life-cycle design, assessment, maintenance and management of structures and infrastructure systems under various deterioration mechanisms due to various environmental hazards. It is expected that the proceedings of IALCCE2020 will serve as a valuable reference to anyone interested in life-cycle of civil infrastructure systems, including students, researchers, engineers and practitioners from all areas of engineering and industry.
Book Synopsis Optimal Maintenance-Policies for Deteriorating Systems under Various Maintenance Strategies by : C. Teresa Lam
Download or read book Optimal Maintenance-Policies for Deteriorating Systems under Various Maintenance Strategies written by C. Teresa Lam and published by . This book was released on 1993 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Reliability and Optimization of Structural Systems by : Daniel Straub
Download or read book Reliability and Optimization of Structural Systems written by Daniel Straub and published by CRC Press. This book was released on 2010-07-28 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains 28 papers by renowned international experts on the latest advances in structural reliability methods and applications, engineering risk analysis and decision making, new optimization techniques and various applications in civil engineering. Moreover, several contributions focus on the assessment and optimization of existing str
Book Synopsis Reliability Engineering by : Mangey Ram
Download or read book Reliability Engineering written by Mangey Ram and published by CRC Press. This book was released on 2019-10-14 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the last 50 years, the theory and the methods of reliability analysis have developed significantly. Therefore, it is very important to the reliability specialist to be informed of each reliability measure. This book will provide historical developments, current advancements, applications, numerous examples, and many case studies to bring the reader up-to-date with the advancements in this area. It covers reliability engineering in different branches, includes applications to reliability engineering practice, provides numerous examples to illustrate the theoretical results, and offers case studies along with real-world examples. This book is useful to engineering students, research scientist, and practitioners working in the field of reliability.
Book Synopsis Optimal Maintenance Policies for Multi-state Systems Experiencing Semi-Markovian Deterioration by : Jon Richard Hobbs
Download or read book Optimal Maintenance Policies for Multi-state Systems Experiencing Semi-Markovian Deterioration written by Jon Richard Hobbs and published by . This book was released on 1972 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bridge Evaluation, Repair and Rehabilitation by : A.S. Nowak
Download or read book Bridge Evaluation, Repair and Rehabilitation written by A.S. Nowak and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt: Evaluation, repair and rehabilitation of bridges are increasingly important topics in the effort to deal with the deteriorating infrastructure. For example, in the United States about 40 percent of the nation's 570,000 bridges are classified, according to the Federal Highway Administra tion's (FHW A) criteria, as deficient and in need of rehabilitation and replacement. In other countries the situation is similar. FHW A estimates the cost of a bridge replacement and reha bilitation program at 50 billion dollars. The major factors that have contributed to the present situation are: the age, inadequate maintenance, increasing load spectra and environmental contamination. The deficient bridges are posted, repaired or replaced. The disposition of bridges involves clear economical and safety implications. To avoid high costs of replacement or repair, the evaluation must accurately reveal the present load carrying capacity of the struc ture and predict loads and any further changes in the capacity (deterioration) in the applicable time span. Accuracy of bridge evaluation can be improved by using the recent developments in bridge diagnostics, structural tests, material tests, structural analysis and probabilistic methods. There is a need for an international exchange of advanced experience to increase the research effi ciency. The Workshop is organized on the premise that the exchange of existing American and European experience in the area of bridge evaluation, repair and rehabilitation is beneficial for both parties involved.
Book Synopsis Reliability and Life-Cycle Analysis of Deteriorating Systems by : Mauricio Sánchez-Silva
Download or read book Reliability and Life-Cycle Analysis of Deteriorating Systems written by Mauricio Sánchez-Silva and published by Springer. This book was released on 2015-11-27 with total page 371 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book compiles and critically discusses modern engineering system degradation models and their impact on engineering decisions. In particular, the authors focus on modeling the uncertain nature of degradation considering both conceptual discussions and formal mathematical formulations. It also describes the basics concepts and the various modeling aspects of life-cycle analysis (LCA). It highlights the role of degradation in LCA and defines optimum design and operation parameters. Given the relationship between operational decisions and the performance of the system’s condition over time, maintenance models are also discussed. The concepts and models presented have applications in a large variety of engineering fields such as Civil, Environmental, Industrial, Electrical and Mechanical engineering. However, special emphasis is given to problems related to large infrastructure systems. The book is intended to be used both as a reference resource for researchers and practitioners and as an academic text for courses related to risk and reliability, infrastructure performance modeling and life-cycle assessment.
Book Synopsis Structures and Infrastructure Systems by : Dan M. Frangopol
Download or read book Structures and Infrastructure Systems written by Dan M. Frangopol and published by Routledge. This book was released on 2019-12-18 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt: Our knowledge to model, design, analyse, maintain, manage and predict the life-cycle performance of infrastructure systems is continually growing. However, the complexity of these systems continues to increase and an integrated approach is necessary to understand the effect of technological, environmental, economic, social, and political interactions on the life-cycle performance of engineering infrastructure. In order to accomplish this, methods have to be developed to systematically analyse structure and infrastructure systems, and models have to be formulated for evaluating and comparing the risks and benefits associated with various alternatives. Civil engineers must maximize the life-cycle benefits of these systems to serve the needs of our society by selecting the best balance of the safety, economy, resilience and sustainability requirements despite imperfect information and knowledge. Within the context of this book, the necessary concepts are introduced and illustrated with applications to civil and marine structures. This book is intended for an audience of researchers and practitioners world‐wide with a background in civil and marine engineering, as well as people working in infrastructure maintenance, management, cost and optimization analysis. The chapters originally published as articles in Structure and Infrastructure Engineering.
Book Synopsis Hydro-Environmental Analysis by : James L. Martin
Download or read book Hydro-Environmental Analysis written by James L. Martin and published by CRC Press. This book was released on 2013-12-04 with total page 5742 pages. Available in PDF, EPUB and Kindle. Book excerpt: Focusing on fundamental principles, Hydro-Environmental Analysis: Freshwater Environments presents in-depth information about freshwater environments and how they are influenced by regulation. It provides a holistic approach, exploring the factors that impact water quality and quantity, and the regulations, policy and management methods that are necessary to maintain this vital resource. It offers a historical viewpoint as well as an overview and foundation of the physical, chemical, and biological characteristics affecting the management of freshwater environments. The book concentrates on broad and general concepts, providing an interdisciplinary foundation. The author covers the methods of measurement and classification; chemical, physical, and biological characteristics; indicators of ecological health; and management and restoration. He also considers common indicators of environmental health; characteristics and operations of regulatory control structures; applicable laws and regulations; and restoration methods. The text delves into rivers and streams in the first half and lakes and reservoirs in the second half. Each section centers on the characteristics of those systems and methods of classification, and then moves on to discuss the physical, chemical, and biological characteristics of each. In the section on lakes and reservoirs, it examines the characteristics and operations of regulatory structures, and presents the methods commonly used to assess the environmental health or integrity of these water bodies. It also introduces considerations for restoration, and presents two unique aquatic environments: wetlands and reservoir tailwaters. Written from an engineering perspective, the book is an ideal introduction to the aquatic and limnological sciences for students of environmental science, as well as students of environmental engineering. It also serves as a reference for engineers and scientists involved in the management, regulation, or restoration of freshwater environments.
Book Synopsis Life-Cycle of Engineering Systems: Emphasis on Sustainable Civil Infrastructure by : Jaap Bakker
Download or read book Life-Cycle of Engineering Systems: Emphasis on Sustainable Civil Infrastructure written by Jaap Bakker and published by CRC Press. This book was released on 2016-11-18 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the papers presented at IALCCE2016, the fifth International Symposium on Life-Cycle Civil Engineering (IALCCE2016), to be held in Delft, The Netherlands, October 16-19, 2016. It consists of a book of extended abstracts and a DVD with full papers including the Fazlur R. Khan lecture, keynote lectures, and technical papers from all over the world. All major aspects of life-cycle engineering are addressed, with special focus on structural damage processes, life-cycle design, inspection, monitoring, assessment, maintenance and rehabilitation, life-cycle cost of structures and infrastructures, life-cycle performance of special structures, and life-cycle oriented computational tools. The aim of the editors is to provide a valuable source for anyone interested in life-cycle of civil infrastructure systems, including students, researchers and practitioners from all areas of engineering and industry.
Author :National Cooperative Highway Research Program Publisher :Transportation Research Board ISBN 13 :030909898X Total Pages :139 pages Book Rating :4.3/5 (9 download)
Book Synopsis Multi-objective Optimization for Bridge Management Systems by : National Cooperative Highway Research Program
Download or read book Multi-objective Optimization for Bridge Management Systems written by National Cooperative Highway Research Program and published by Transportation Research Board. This book was released on 2007 with total page 139 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accompanying CD-ROM contains ... "[u]sers manual and software for NCHRP Report 590: Multi-objective optimization for bridge management systems."--CD-ROM label.
