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Author: Nimmi Damodaran
Publisher: American Water Works Association
ISBN: 1583213929
Category : Consumers
Languages : en
Pages : 268
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Book Description
This book reports on an evaluation approach for utilities to use to assess customer perceptions, attitudes, and expectations for water system reliability; their tolerance to service disruptions and construction impacts; and their willingness to pay for expected levels of service. Strategies discussed include methods for assessing customers' perceptions and expectations, costs of infrastructure strategies, how to incorporate external costs, and a plan to communicate with customers.
Author: Nimmi Damodaran
Publisher: American Water Works Association
ISBN: 1583213929
Category : Consumers
Languages : en
Pages : 268
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Book Description
This book reports on an evaluation approach for utilities to use to assess customer perceptions, attitudes, and expectations for water system reliability; their tolerance to service disruptions and construction impacts; and their willingness to pay for expected levels of service. Strategies discussed include methods for assessing customers' perceptions and expectations, costs of infrastructure strategies, how to incorporate external costs, and a plan to communicate with customers.
Author: Boris Faybishenko
Publisher: John Wiley & Sons
ISBN: 1119569486
Category : Science
Languages : en
Pages : 340
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Book Description
Fuzzy Systems Modeling in Environmental and Health Risk Assessment Demonstrates the successful application of fuzzy systems modeling to real-world environmental and health problems In Fuzzy Systems Modeling in Environmental and Health Risk Assessment, a team of distinguished researchers delivers an up-to-date collection of the most successful and innovative attempts to apply fuzzy logic to problems involving environmental risk assessment, healthcare decision-making, the management of water distribution networks, and the optimization of water treatment and waste management systems. By explaining both the theoretical and practical aspects of using fuzzy systems modeling methods to solve complex problems, analyze risks and optimize system performance, this handy guide maintains a strongly application-oriented perspective throughout, offering readers a practical treatment of a cutting-edge subject. Readers will also find: Comprehensive explorations of the practical applications of fuzzy systems modeling in environmental science Practical advice on environmental quality assessments and human health risk analyses In-depth case studies involving air and water pollution, solid waste, indoor swimming pool and landfill risk assessments, wastewater treatment, and more Perfect for environmental engineers and scientists, Fuzzy Systems Modeling in Environmental and Health Risk Assessment will also benefit policy makers, computer scientists, mathematicians, and researchers and practitioners interested in applying soft computing theories to environmental problems.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309133955
Category : Science
Languages : en
Pages : 404
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Book Description
Protecting and maintaining water distributions systems is crucial to ensuring high quality drinking water. Distribution systems-consisting of pipes, pumps, valves, storage tanks, reservoirs, meters, fittings, and other hydraulic appurtenances-carry drinking water from a centralized treatment plant or well supplies to consumers' taps. Spanning almost 1 million miles in the United States, distribution systems represent the vast majority of physical infrastructure for water supplies, and thus constitute the primary management challenge from both an operational and public health standpoint. Recent data on waterborne disease outbreaks suggest that distribution systems remain a source of contamination that has yet to be fully addressed. This report evaluates approaches for risk characterization and recent data, and it identifies a variety of strategies that could be considered to reduce the risks posed by water-quality deteriorating events in distribution systems. Particular attention is given to backflow events via cross connections, the potential for contamination of the distribution system during construction and repair activities, maintenance of storage facilities, and the role of premise plumbing in public health risk. The report also identifies advances in detection, monitoring and modeling, analytical methods, and research and development opportunities that will enable the water supply industry to further reduce risks associated with drinking water distribution systems.
Author: Celine Herve-Bazin
Publisher: IWA Publishing
ISBN: 1780405219
Category : Science
Languages : en
Pages : 234
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Book Description
Water Communication aims at setting a first general outlook at what communication on water means, who communicates and on what topics. Through different examples and based on different research and contributions, this book presents an original first overview of “water communication”. It sets its academic value as one distinct scientific domain and provides tips and practical tools to professionals. The book contributes to avoid mixing messages, targets and discourses when setting communication related to water issues. The book facilitates coordination within the water sector and its organizations as water is a wide field of applications where inadequate words and language understanding between its stakeholders is one of the main obstacles today. Water Communication provides and describes: a general outlook and retrospective of the history of the water sector in terms of communication the landscape of organizations communicating on water and classification of topics the differences between communication, information, mediation, raising awareness examples of communication campaigns on water Water Communication is a vital resource for communication managers, utility managers, policy makers involved in water management and students in water sciences and environment. Colour figures from the book are available to view on the WaterWiki at: http://www.iwawaterwiki.org/xwiki/bin/view/Articles/WaterCommunicationAnalysisofStrategiesandCampaignsfromtheWaterSector Editor: Celine Herve-Bazin, Celsa - Sorbonne University, Paris, France
Author: George Deodatis
Publisher: CRC Press
ISBN: 1315884887
Category : Technology & Engineering
Languages : en
Pages : 1112
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Book Description
Safety, Reliability, Risk and Life-Cycle Performance of Structures and Infrastructures contains the plenary lectures and papers presented at the 11th International Conference on STRUCTURAL SAFETY AND RELIABILITY (ICOSSAR2013, New York, NY, USA, 16-20 June 2013), and covers major aspects of safety, reliability, risk and life-cycle performance of str
Author: Mojtaba Mahmoodian
Publisher: Gulf Professional Publishing
ISBN: 0128135794
Category : Science
Languages : en
Pages : 186
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Book Description
Reliability and Maintainability of In-Service Pipelines helps engineers understand the best structural analysis methods and more accurately predict the life of their pipeline assets. Expanded to cover real case studies from oil and gas, sewer and water pipes, this reference also explains inline inspection and how the practice influences reliability analysis, along with various reliability models beyond the well-known Monte Carlo method. Encompassing both numerical and analytical methods in structural reliability analysis, this book gives engineers a stronger point of reference covering both pipeline maintenance and monitoring techniques in a single resource. Provides tactics on cost-effective pipeline integrity management decisions and strategy for a variety of different pipes Presents readers with rational tools for strengthening and rehabing existing pipelines Teaches how to optimize materials selection and design parameters for designing future pipelines with a longer service life
Author: P. Thoft-Cristensen
Publisher: Springer Science & Business Media
ISBN: 3642686974
Category : Technology & Engineering
Languages : en
Pages : 267
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Book Description
Structural reliability theory is concerned with the rational treatment of uncertainties in struc tural engineering and with the methods for assessing the safety and serviceability of civil en gineering and other structures. It is a subject which has grown rapidly during the last decade and has evolved from being a topic for academic research to a set of well-developed or develop ing methodologies with a wide range of practical applications. Uncertainties exist in most areas of civil and structural engineeri'1.g and rational design decisions cannot be made without modelling them and taking them into account. Many structural en gineers are shielded from having to think about such problems, at least when designing simple structures, because of the prescriptive and essentially deterministic nature of most codes of practice. This is an undesirable situation. Most loads and other structural design parameters are rarely known with certainty and should be regarded as random variables or stochastic processes, even if in design calculations they are eventually treated as deterministic. Some problems such as the analysis of load combinations cannot even be formulated without recourse to probabilistic reasoning.
Author: Mohamed Abdallah El-Reedy, Ph.D
Publisher: CRC Press
ISBN: 1439872031
Category : Technology & Engineering
Languages : en
Pages : 379
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Book Description
Structural engineers must focus on a structure’s continued safety throughout its service life. Reinforced Concrete Structural Reliability covers the methods that enable engineers to keep structures reliable during all project phases, and presents a practical exploration of up-to-date techniques for predicting the lifetime of a structure. The book also helps readers understand where the safety factors used come from and addresses the problems that arise from deviation from these factors. It also examines the question of what code is best to follow for a specific project: the American code, the British Standard, the Eurocode, or other local codes. The author devotes an entire chapter to practical statistics methods and probability theory used in structural and civil engineering, both important for calculating the probability of structural failure (reliability analysis). The text addresses the effects of time, environmental conditions, and loads to assess consequences on older structures as well as to calculate the probability of failure. It also presents the effects of steel bar corrosion and column corrosion, and precautions to consider along with guides for design. This book offers guidelines and tools to evaluate existing as well as new structures, providing all available methods and tests for assessing structures, including visual inspection and nondestructive testing for concrete strength. It also presents techniques for predicting the remaining service life of a structure, which can be used to determine whether to perform repairs or take other action. This practical guide helps readers to differentiate between and understand the philosophy of the various codes and standards, enabling them to work anywhere in the world. It will aid engineers at all levels working on projects from the design to the maintenance phase, increasing their grasp of structure behavior, codes and factors, and predicting service life.
Author: Fabio Casciati
Publisher: CRC Press
ISBN: 9780849396311
Category : Mathematics
Languages : en
Pages : 386
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Book Description
Mathematical Models for Structural Reliability Analysis offers mathematical models for describing load and material properties in solving structural engineering problems. Examples are provided, demonstrating how the models are implemented, and the limitations of the models are clearly stated. Analytical solutions are also discussed, and methods are clearly distinguished from models. The authors explain both theoretical models and practical applications in a clear, concise, and readable fashion.
Author: Milík Tichý
Publisher: Springer Science & Business Media
ISBN: 9401119481
Category : Technology & Engineering
Languages : en
Pages : 416
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Book Description
A quarter of the century has elapsed since I gave my first course in structural reliability to graduate students at the University of Waterloo in Canada. Since that time on I have given many courses and seminars to students, researchers, designers, and site engineers interested in reliability. I also participated in and was responsible for numerous projects where reliability solutions were required. During that period, the scope of structural reliability gradually enlarged to become a substantial part of the general reliability theory. First, it is apparent that bearing structures should not be isolated objectives of interest, and, consequently, that constntCted facilities should be studied. Second, a new engineering branch has emerged -reliability engineering. These two facts have highlighted new aspects and asked for new approaches to the theory and applications. I always state in my lectures that the reliability theory is nothing more than mathematized engineering judgment. In fact, thanks mainly to probability and statistics, and also to computers, the empirical knowledge gained by Humankind's construction experience could have been transposed into a pattern of logic thinking, able to produce conclusions and to forecast the behavior of engineering entities. This manner of thinking has developed into an intricate network linked by certain rules, which, in a way, can be considered a type of reliability grammar. We can discern many grammatical concepts in the general structure of the reliability theory.