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Condition Assessment of Aged Structures

Condition Assessment of Aged Structures Book
Author : J K Paik,R E Melchers
Publisher : Elsevier
Release : 2014-01-23
ISBN : 1845695216
Language : En, Es, Fr & De

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Book Description :

Any structural system in service is subject to age-related deterioration, leading to potential concerns regarding maintenance, health & safety, environmental and economic implications. Condition assessment of aged structures is an invaluable, single source of information on structural assessment techniques for marine and land-based structures such as ships, offshore installations, industrial plant and buildings. Topics covered include: - Current practices and standards for structural condition assessment - Fundamental mechanisms and advanced mathematical methods for predicting structural deterioration - Residual strength assessment of deteriorated structures - Inspection and maintenance of aged structures - Reliability and risk assessment of aged structures Professionals from a broad range of disciplines will be able to gain a better understanding of current practices and standards for structural condition assessment or health monitoring, and what future trends might be. Single source of information on structural assessment techniques for marine and land-based structures Examines the residual strength and reliability of aged structures Assesses current practices covering inspection, health monitoring and maintenance

Structural Reliability Analysis and Prediction

Structural Reliability Analysis and Prediction Book
Author : Robert E. Melchers,Andre T. Beck
Publisher : John Wiley & Sons
Release : 2018-04-02
ISBN : 1119265991
Language : En, Es, Fr & De

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Book Description :

Structural Reliability Analysis and Prediction, Third Edition is a textbook which addresses the important issue of predicting the safety of structures at the design stage and also the safety of existing, perhaps deteriorating structures. Attention is focused on the development and definition of limit states such as serviceability and ultimate strength, the definition of failure and the various models which might be used to describe strength and loading. This book emphasises concepts and applications, built up from basic principles and avoids undue mathematical rigour. It presents an accessible and unified account of the theory and techniques for the analysis of the reliability of engineering structures using probability theory. This new edition has been updated to cover new developments and applications and a new chapter is included which covers structural optimization in the context of reliability analysis. New examples and end of chapter problems are also now included.

Advanced Structural Safety Studies

Advanced Structural Safety Studies Book
Author : Jeom Kee Paik
Publisher : Springer
Release : 2019-07-25
ISBN : 981138245X
Language : En, Es, Fr & De

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Book Description :

This book describes principles, industry practices and evolutionary methodologies for advanced safety studies, which are helpful in effectively managing volatile, uncertain, complex, and ambiguous (VUCA) environments within the framework of quantitative risk assessment and management and associated with the safety and resilience of structures and infrastructures with tolerance against various types of extreme conditions and accidents such as fires, explosions, collisions and grounding. It presents advanced computational models for characterizing structural actions and their effects in extreme and accidental conditions, which are highly nonlinear and non-Gaussian in association with multiple physical processes, multiple scales, and multiple criteria. Probabilistic scenario selection practices and applications are presented. Engineering practices for structural crashworthiness analysis in extreme conditions and accidents are described. Multidisciplinary approaches involving advanced computational models and large-scale physical model testing are emphasized. The book will be useful to students at a post-graduate level as well as researchers and practicing engineers.

Failure Distress and Repair of Concrete Structures

Failure  Distress and Repair of Concrete Structures Book
Author : N Delatte
Publisher : Elsevier
Release : 2009-10-26
ISBN : 1845697030
Language : En, Es, Fr & De

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Book Description :

Understanding and recognising failure mechanisms in concrete is a fundamental pre-requisite to determining the type of repair, or whether a repair is feasible. This title provides a review of concrete deterioration and damage, as well as looking at the problem of defects in concrete. It also discusses condition assessment and repair techniques. Part one discusses failure mechanisms in concrete and covers topics such as causes and mechanisms of deterioration in reinforced concrete, types of damage in concrete structures, types and causes of cracking and condition assessment of concrete structures. Part two reviews the repair of concrete structures with coverage of themes such as standards and guidelines for repairing concrete structures, methods of crack repair, repair materials, bonded concrete overlays, repairing and retrofitting concrete structures with fiber-reinforced polymers, patching deteriorated concrete structures and durability of repaired concrete. With its distinguished editor and international team of contributors, Failure and repair of concrete structures is a standard reference for civil engineers, architects and anyone working in the construction sector, as well as those concerned with ensuring the safety of concrete structures. Provides a review of concrete deterioration and damage Discusses condition assessment and repair techniques, standards and guidelines

Monitoring and Safety Evaluation of Existing Concrete Structures

Monitoring and Safety Evaluation of Existing Concrete Structures Book
Author : fib Fédération internationale du béton
Publisher : fib Fédération internationale du béton
Release : 2003
ISBN : 9782883940628
Language : En, Es, Fr & De

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Book Description :

The condition assessment of aged structures is becoming a more and more important issue for civil infrastructure management systems. The continued use of existing systems is, due to environmental, economical and socio-political assets, of great significance and is growing larger every year. Thus the extent of necessary repair of damaged reinforced concrete structures is of major concern in most countries today. Monitoring techniques may have a decisive input to limit expenditures for maintenance and repair of existing structures. Modern test and measurement methods as well as computational mechanics open the door for a wide variety of monitoring applications. The need for quantitative and qualitative knowledge has led to the development and improvement of surveillance techniques, which have already found successful application in other disciplines such as medicine, physics and chemistry. The design of experimental test and measurement systems is inherently an interdisciplinary activity. The specification of the instrumentation to measure the structural response will involve the skills of civil, electrical and computer engineers. The main aim of fib Commission 5, Structural servicer life aspects, is to provide a rational procedure to obtain an optimal technical-economic performance of concrete structures in service and to ensure a feedback of experience gained to design, execution, maintenance and rehabilitation. Against this background fib Task Group 5.1 Monitoring and Safety Evaluation of Existing Concrete Structures had been established to evaluate the existing practice worldwide. The objective of this state-of-art report is to summarize the most important inspection and measuring methods, to describe the working process and to evaluate the applicability to structural monitoring. Particular emphasis is placed upon non-destructive systems, lifetime monitoring, data evaluation and safety aspects.

Structural Health Monitoring of Civil Infrastructure Systems

Structural Health Monitoring of Civil Infrastructure Systems Book
Author : Vistasp M. Karbhari,F Ansari
Publisher : Woodhead Publishing
Release : 2009-09-08
ISBN :
Language : En, Es, Fr & De

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Book Description :

Structural health monitoring is an extremely important methodology in evaluating the 'health' of a structure by assessing the level of deterioration and remaining service life of civil infrastructure systems. This book reviews key developments in research, technologies and applications in this area of civil engineering. It discusses ways of obtaining and analysing data, sensor technologies and methods of sensing changes in structural performance characteristics. It also discusses data transmission and the application of both individual technologies and entire systems to bridges and buildings. With its distinguished editors and international team of contributors, Structural health monitoring of civil infrastructure systems is a valuable reference for students in civil and structural engineering programs as well as those studying sensors, data analysis and transmission at universities. It will also be an important source for practicing civil engineers and designers, engineers and researchers developing sensors, network systems and methods of data transmission and analysis, policy makers, inspectors and those responsible for the safety and service life of civil infrastructure. Reviews key developments in research, technologies and applications Discusses systems used to obtain and analyse data and sensor technologies Assesses methods of sensing changes in structural performance

Repair Rejuvenation and Enhancement of Concrete

Repair  Rejuvenation and Enhancement of Concrete Book
Author : Ravindra K. Dhir,M. Roderick Jones,Li Zheng
Publisher : Thomas Telford
Release : 2002
ISBN : 9780727731753
Language : En, Es, Fr & De

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Book Description :

Concrete is a global material that underwrites commercial wellbeing and social development. There is no substitute that can be used on the same engineering scale and its sustainability, expolitation and further development are imperatives to creating and maintaing a healthy economy and environment worldwide. The pressure for change and improvement of performance is relentless and necessary. Concrete must keep evolving to satisfy the increasing demands of all its users.

Infrastructure Condition Assessment

Infrastructure Condition Assessment Book
Author : Mitsuru Saito
Publisher : Amer Society of Civil Engineers
Release : 1997
ISBN :
Language : En, Es, Fr & De

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Book Description :

This collection contains 58 papers on infrastructure condition assessment presented at a conference sponsored by the Facilities Management Committee of the Urban Transportation Division of ASCE, held in Boston, Massachusetts, August 25-27, 1997.

The Technical Avalanche Protection Handbook

The Technical Avalanche Protection Handbook Book
Author : Florian Rudolf-Miklau,Siegfried Sauermoser,Arthur Mears
Publisher : John Wiley & Sons
Release : 2014-12-01
ISBN : 3433603871
Language : En, Es, Fr & De

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Book Description :

Snow avalanches can have highly destructive consequences in developed areas. Each year, avalanche catastrophes occur in mountain regions around the globe and cause unnecessary fatalities and severe damage to buildings and infrastructure. In some mountainous regions, especially in the European Alps, technical avalanche defence structures are built to increase the level of safety for inhabited areas; however, new infrastructure such as roads, railway lines and tourist facilities cause new risk potential in hazardous areas. As a result, the demand is increasing for technical avalanche protection solutions. Avalanche defence structures and protection systems are used in most inhabited mountain regions worldwide. During the last decades, technical avalanche protection has evolved from a specialist field to an independent engineering branch that has gained importance in alpine countries such as Austria, Italy, France and Switzerland, as well as in other countries such as Canada, Iceland, Norway and USA. This work is the first comprehensive, English-language overview of technical avalanche protection and establishes state-of-the-art best practices in the field. It covers the fundamentals of avalanche protection technology and includes plans, dimensions, construction and maintenance of defence structures. The editors have collaborated with an international team of experts from Austria, Canada, France, Iceland, Italy, Japan, Norway, Switzerland and USA to produce this landmark handbook.

NEHRP Commentary on the Gidelines for the Seismic Rehabilitation of Buildings

NEHRP Commentary on the Gidelines for the Seismic Rehabilitation of Buildings Book
Author : Eugene Zeller
Publisher : DIANE Publishing
Release : 2000-06
ISBN : 9780756706272
Language : En, Es, Fr & De

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Book Description :

This document from the National Earthquake Hazards Reduction Program (NEHRP) was prepared for the Building Seismic Safety Council (BSSC) with funding from the Federal Emergency Management Agency (FEMA). It provides commentary on the NEHRP Guidelines for the Seismic Rehabilitation of Buildings. It contains systematic guidance enabling design professionals to formulate effective & reliable rehabilitation approaches that will limit the expected earthquake damage to a specified range for a specified level of ground shaking. This kind of guidance applicable to all types of existing buildings & in all parts of the country has never existed before. Illustrated.

Structural Health Monitoring 2000

Structural Health Monitoring 2000 Book
Author : Fu-Kuo Chang
Publisher : CRC Press
Release : 1999-09-07
ISBN : 9781566768818
Language : En, Es, Fr & De

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Book Description :

Comprising 102 papers presented by researchers from all over the world, the proceedings of this workshop contain current information about a variety of structural health monitoring technologies, as well as their current and potential applications in various fields. Emphasis is placed on those technologies that are promising for future applications in industry and government and the infrastructures that are needed to support such technological development. The content of the workshop is divided into keynote presentations (ten altogether), aerospace applications, general applications, civil applications, integration and systems, sensors, and signal processing and diagnostic methods. Includes the editor's summary report on the results of the panel discussions and presentations from the First International Workshop on Structural Health Monitoring held at Stanford U. in September 1997. Annotation c. Book News, Inc., Portland, OR (booknews.com)

Condition Assessment of Roof Trusses of Quincy Mine Blacksmith Shop in Keweenaw National Historical Park

Condition Assessment of Roof Trusses of Quincy Mine Blacksmith Shop in Keweenaw National Historical Park Book
Author : N.A
Publisher :
Release : 2001
ISBN :
Language : En, Es, Fr & De

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Book Description :

Condition assessment is an important first step in the restoration of any historic structure. Immunodiagnosis of wood decay fungi, nondestructive evaluation (NDE) stress wave mapping, and compression perpendicular to grain were used to evaluate white pine roof truss timbers from the Blacksmith Shop of the Quincy Mining Company in Keweenaw National Historical Park. Immunodiagnosis indicated that areas in the timber had been exposed to decay fungi. Stress wave NDE mapping located voids in the timbers tested. Compression perpendicular to the grain correlated with NDE findings.

EARTHQUAKE RESISTANT DESIGN OF STRUCTURES

EARTHQUAKE RESISTANT DESIGN OF STRUCTURES Book
Author : PANKAJ AGRAWAL,MANISH SHRIKHANDE
Publisher : PHI Learning Pvt. Ltd.
Release : 2006-01-01
ISBN : 9788120328921
Language : En, Es, Fr & De

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Book Description :

This comprehensive and well-organized book presents the concepts and principles of earthquake resistant design of structures in an easy-to-read style. The use of these principles helps in the implementation of seismic design practice. The book adopts a step-by-step approach, starting from the fundamentals of structural dynamics to application of seismic codes in analysis and design of structures. The text also focusses on seismic evaluation and retrofitting of reinforced concrete and masonry buildings. The text has been enriched with a large number of diagrams and solved problems to reinforce the understanding of the concepts. Intended mainly as a text for undergraduate and postgraduate students of civil engineering, this text would also be of considerable benefit to practising engineers, architects, field engineers and teachers in the field of earthquake resistant design of structures.

Deterioration Prediction Modeling for the Condition Assessment of Concrete Bridge Decks

Deterioration Prediction Modeling for the Condition Assessment of Concrete Bridge Decks Book
Author : Aqeed Mohsin Chyad
Publisher :
Release : 2018
ISBN :
Language : En, Es, Fr & De

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Book Description :

Bridges are key elements in the US transportation system. There are more than six hundred thousand bridges on the highway system in the United States. Approximately one third of these bridges are in need of maintenance and will cost more than $120 billion to rehabilitate or repair. Several factors affect the performance of bridges over their life spans. Identifying these factors and accurately assessing the condition of bridges are critical in the development of an effective maintenance program. While there are several methods available for condition assessment, selecting the best technique remains a challenge. Therefore, developing an accurate and reliable model for concrete bridge deck deterioration is a key step towards improving the overall bridge condition assessment process. Consequently, the main goal of this dissertation is to develop an improved bridge deck deterioration prediction model that is based on the National Bridge Inventory (NBI) database. To achieve the goal, deterministic and stochastic approaches have been investigated to model the condition of bridge decks. While the literatures have typically proposed the Markov chain method as the best technique for the condition assessment of bridges, this dissertation reveals that some probability distribution functions, such as Lognormal and Weibull, could be better prediction models for concrete bridge decks under certain condition ratings. A new universal framework for optimizing the performance of prediction of concrete bridge deck condition was developed for this study. The framework is based on a nonlinear regression model that combines the Markov chain method with a state-specific probability distribution function. In this dissertation, it was observed that on average, bridge decks could stay much longer in their condition ratings than the typical 2-year inspection interval, suggesting that inspection schedules might be extended beyond 2 years for bridges in certain condition rating ranges. The results also showed that the best statistical model varied from one state to another and there was no universal statistical prediction model that can be developed for all states. The new framework was implemented on Michigan data and demonstrated that the prediction error in the combined model was less than each of the two models (i.e. Markov and Lognormal). The results also showed that average daily traffic, age, deck area, structure type, skew angle, and environmental factors have significant impact on the deterioration of concrete bridge decks. The contributions of the work presented in this dissertation include: 1) the identification of the significant factors that impact concrete bridge deck deterioration; 2) the development of a universal deterioration prediction framework that can be uniquely tailored for each state’s data; and 3) supporting the possibility of extending inspection schedules beyond the typical 2-year cycles. Future work may involve: 1) evaluating each of the factors that impact the deterioration rates in more depth by refining the investigation ranges; 2) investigating the possibility of revising the regular bridge deck inspection intervals beyond the 2-year cycles; and 3) developing deterioration prediction models for other bridge elements (i.e. superstructure and substructure) using the framework developed in this dissertation.

Dun Bradstreet Gale Group Industry Handbook Construction and agriculture

Dun   Bradstreet Gale Group Industry Handbook  Construction and agriculture Book
Author : Jennifer Zielinski
Publisher : Uxl
Release : 2000
ISBN :
Language : En, Es, Fr & De

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Book Description :

Each part contains these chapters: Industry overview -- Industry statistics & performance indicators -- Financial norms and ratios -- Company directory -- Rankings and companies -- Mergers & acquisitions -- Associations -- Consultants -- Trade information sources -- Trade shows.

Arch Bridges

Arch Bridges Book
Author : A. Sinopoli
Publisher : CRC Press
Release : 1998-01-01
ISBN : 9789058090126
Language : En, Es, Fr & De

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Book Description :

Modern structural engineering surprises us with the mastery and certainty with which it plans and carries out daring projects, such as the most recent metal or concrete bridges, whether they be suspension or arch bridges. On the other hand, little is yet known about the state of knowledge of construction science and techniques which, well before the arrival of modern methods based on the mechanics of deformable continua, made it possible in the past to erect the vaulted masonry structures rthat we have inherited. The fact that these have lasted through many centuries to our time, and are still in a fairly good state of conservation, makes them competitive, as far as stability and durability are concerned, with those constructed in other materials. Although it is known that the equilibrium of the arch is guaranteed by any funicular whatsoever of the loads, contained inside the profile of an arch, finding the unique solution is not such a certainty. In other words, the problem of the equilibrium of vaulted structures is 'Poleni's problem', the one for which the Venetian scientist was able to give an exemplary solution on the occasion of the assessment of the dome of St. Peter's. Arch Bridges focuses on the main aspects of the debate about the masonry arch bridge: History of structural mechanics and construction, theoretical models, analysis for assessment, numerical methods, experimental and non-destructive testing, maintenance and repair are the topics of the Conference. The breadth and variety of the contributions presented and discussed by leading experts from many countries make this volume an authoritative source of up-to-date information.