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Steel Corrosion Induced Concrete Cracking

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Steel Corrosion Induced Concrete Cracking

Steel Corrosion Induced Concrete Cracking Book
Author : Yuxi Zhao,Weiliang Jin
Publisher : Butterworth-Heinemann
Release : 2016-03-08
ISBN : 0128092106
Language : En, Es, Fr & De

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Book Description :

Steel Corrosion Induced Concrete Cracking presents the latest advances in the origin, mechanism and development of corrosion-induced cracking in concrete. It investigates topics including expansion coefficient and elastic modulus of steel corrosion, rust layer and rust distribution, spatial distribution of corrosion products, the shape of corrosion-induced cracks and so on. This book concludes by proposing an improved corrosion-induced cracking model, which considers the phenomena of the simultaneous occurrence of corrosion layer accumulation and corrosion filling in concrete. This book will be a valuable reference book for researchers and graduate students in the field of concrete durability and concrete structure, and industry engineers who are concerned with the deterioration mechanisms and the life cycle of reinforced concrete structures. Proposes a new corrosion-induced concrete cracking model, which takes into account the phenomenon of the simultaneous occurrence of corrosion layer accumulation and corrosion filling paste. Investigates the parameters and values of expansion coefficients and elastic modulus of steel corrosion, which enables a more rational prediction of concrete surface cracking Introduces the use of the Gaussian function to describe the non-uniform spatial distribution of corrosion products.

Chloride Induced Steel Corrosion in Concrete Under Service Loads

Chloride Induced Steel Corrosion in Concrete Under Service Loads Book
Author : Hailong Ye,Chuanqing Fu,Ye Tian,Nanguo Jin
Publisher : Springer Nature
Release : 2020-03-27
ISBN : 9811541086
Language : En, Es, Fr & De

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Book Description :

This book summarizes the latest advances in understanding chloride ingress and steel corrosion in concrete under service loads. Unlike the existing literature, it focuses specifically on the effect of service loads on chloride-induced durability issues in reinforced concrete structures. It discusses how service loads affect the moisture and chloride penetration rate, corrosion kinetics and rust distribution, as well as the structural performance of concrete components (e.g. beams and columns) in a systematic and hierarchical way. Given its scope, the book is chiefly intended for researchers and industry practitioners in structural engineering, particularly those whose work involves the durability design of concrete structures.

Effect of Localized Corrosion of Steel on Chloride Induced Concrete Cover Cracking in Reinforced Concrete Structures

Effect of Localized Corrosion of Steel on Chloride Induced Concrete Cover Cracking in Reinforced Concrete Structures Book
Author : Ezeddin Rafaa Busba
Publisher : Unknown
Release : 2013
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

A mechanical model was developed to improve understanding of the underlying mechanism responsible for corrosion-induced stresses. A thick-walled multiple-cylinder approach was employed to simulate crack initiation and propagation to account for the residual strength property of concrete after cracking by applying the principles of applied elasticity. For a given concrete cover depth, the amount of Xcrit was shown by modeling to be largely determined by the length of corroding region and the capacity of the induced cracks to accommodate produced rusts. The properties of both concrete-rebar interface and corrosion products were also found to have a significant impact on Xcrit. Based on the model and experimental trends and comparisons with literature data, an improved relationship for the estimation of Xcrit was proposed. An electrochemical model was also formulated to address the possible role of corrosion aggravation due to macrocell coupling in counteracting the mitigating effect of increased Xcrit on time to concrete cover cracking. Findings confirmed that corrosion localization can reasonably be considered a mitigating factor for extending the corrosion propagation stage, and provided more precise quantification to that effect.

Steel Corrosion and Degradation of its Mechanical Properties

Steel Corrosion and Degradation of its Mechanical Properties Book
Author : Chun-Qing Li,Wei Yang
Publisher : CRC Press
Release : 2021-09-20
ISBN : 1000437094
Language : En, Es, Fr & De

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Book Description :

This book presents the state-of-the-art-knowledge on corrosion of steel, cast iron and ductile iron with a focus on corrosion-induced degradation of their mechanical properties. The information presented in the book is largely derived from the most current research on the effect of corrosion on degradation of mechanical properties. The book covers the basics of steel corrosion, including that of cast iron and ductile iron, that are not well covered in most literature. Models for corrosion-induced degradation of mechanical properties are presented in the book with a view to wider applications. The knowledge presented in the book can be used to prevent corrosion-induced failures of corrosion-affected structures, offering enormous benefits to the industry, business, society and community. Key strengths of the book are that it can be employed by a variety of users for different purposes in designing and assessing corrosion-affected structures, and that the knowledge and techniques presented in the book can be easily applied by users in dealing with corrosion-affected structures, and the uniqueness in examining the corrosion effect on degradation of various mechanical properties. Wtih examples of practical applications, the book is particularly useful for all stakeholders involved in steel manufacturing and construction, including engineering students, academicians, researchers, practitioners and asset managers.

Sustainable Construction

Sustainable Construction Book
Author : Víctor Yepes,Tatiana García-Segura
Publisher : MDPI
Release : 2021-05-20
ISBN : 3036504826
Language : En, Es, Fr & De

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Book Description :

Construction is one of the main sectors that generates greenhouse gases. This industry consumes large amounts of raw materials, such as stone, timber, water, etc. Additionally, infrastructure should provide service over many years without safety problems. Therefore, their correct design, construction, maintenance, and dismantling are essential to reducing economic, environmental, and societal consequences. That is why promoting sustainable construction has recently become extremely important. To help address and resolve these types of questions, this book explores new ways of reducing the environmental impacts caused by the construction sector, as well promotes social progress and economic growth. The chapters collect the papers included in the “Sustainable Construction” Special Issue of the Sustainability journal. The papers cover a wide spectrum of issues related to the use of sustainable materials in construction, the optimization of designs based con sustainable indicators, the life-cycle assessment, the decision-making processes that integrate economic, social, and environmental aspects, and the promotion of durable materials that reduce future maintenance.

Life Cycle Analysis and Assessment in Civil Engineering Towards an Integrated Vision

Life Cycle Analysis and Assessment in Civil Engineering  Towards an Integrated Vision Book
Author : Robby Caspeele,Luc Taerwe,Dan M. Frangopol
Publisher : CRC Press
Release : 2018-10-31
ISBN : 1351857568
Language : En, Es, Fr & De

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Book Description :

This volume contains the papers presented at IALCCE2018, the Sixth International Symposium on Life-Cycle Civil Engineering (IALCCE2018), held in Ghent, Belgium, October 28-31, 2018. It consists of a book of extended abstracts and a USB device with full papers including the Fazlur R. Khan lecture, 8 keynote lectures, and 390 technical papers from all over the world. Contributions relate to design, inspection, assessment, maintenance or optimization in the framework of life-cycle analysis of civil engineering structures and infrastructure systems. Life-cycle aspects that are developed and discussed range from structural safety and durability to sustainability, serviceability, robustness and resilience. Applications relate to buildings, bridges and viaducts, highways and runways, tunnels and underground structures, off-shore and marine structures, dams and hydraulic structures, prefabricated design, infrastructure systems, etc. During the IALCCE2018 conference a particular focus is put on the cross-fertilization between different sub-areas of expertise and the development of an overall vision for life-cycle analysis in civil engineering. The aim of the editors is to provide a valuable source of cutting edge information for anyone interested in life-cycle analysis and assessment in civil engineering, including researchers, practising engineers, consultants, contractors, decision makers and representatives from local authorities.

Corrosion and its Consequences for Reinforced Concrete Structures

Corrosion and its Consequences for Reinforced Concrete Structures Book
Author : Raoul Francois,Stéphane Laurens,Fabrice Deby
Publisher : Elsevier
Release : 2018-01-16
ISBN : 0081023456
Language : En, Es, Fr & De

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Book Description :

This book serves as an indispensable guide for engineers, scientists and researchers, exploring the fundamental aspects of corrosion in reinforced concrete. Its originality lies in the coupling between the reinforcement corrosion of reinforced concrete and its mechanical behavior.The authors describe the specific theoretical foundations of the corrosion of steel in concrete and its interactions with the structural aspects, including service cracking and defects in the placement of concrete. The book contains a study of the mechanisms of degradation of the mechanical behavior of reinforcements and the reinforced concrete composite, such as reduction of ductility, bearing capacity, redistribution of efforts by formation of plastic hinges and increase in the beam deflection in service. A diagnostic method based on corrosion-induced crack detection is presented in the book, and then paired with a recalculation method which allows us to predict the different aspects of the residual mechanical behavior. Several end-of-life ELS and ELU criteria are described, and the authors propose an approach to estimate the residual lifetime. Finally, the book presents the cathodic protection that allows the progression of corrosion to be contained within the corroded structures. As well as academics, this book is aimed at civil engineers who are faced with the issue of corrosion in aging structures. Explores corrosion in concrete Examines the influence of pre-cracks on corrosion Discusses corrosion diagnostics and corrosion-induced cracks Presents residual mechanical properties of corroded structures: effect of corrosion on steel behavior, load-bearing capacity, yielding capacity, deflection of corroded beams and the effect of corrosion on bond Provides repair and maintenance considerations: cathodic protection and carbon fiber reinforced polymer used to strengthen and restore bearing capacity

Service Life and Durability of Reinforced Concrete Structures

Service Life and Durability of Reinforced Concrete Structures Book
Author : Carmen Andrade,Joost Gulikers,Elisabeth Marie-Victoire
Publisher : Springer
Release : 2018-09-15
ISBN : 3319902369
Language : En, Es, Fr & De

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Book Description :

This volume contains the proceedings of the 8th International PhD Student Workshop on Service Life and Durability of Reinforced Concrete Structures that was held in Marne-la-Vallée, France, on September the 26th and 27th 2016. Topics discussed in the book are related to durability performance of reinforced concrete, service life modelling, prevention, protection and repair. Reinforced concrete structures may prove to be very durable, however, their gradual degradation over time impairing both serviceability and structural safety is still a matter of great practical concern in view of the large economic consequences for assessment, maintenance and repair. Corrosion of steel reinforcement is considered to be the most detrimental process responsible for structural deterioration. Many studies are in progress to develop a comprehensive engineering approach for assessment of the initiation and the propagation period of corrosion in both uncracked and cracked concrete. Modelling of chloride penetration and carbonation has attracted a great deal of attention in recent years, however, there is still much debate on several essential aspects such as the chloride threshold level. ASR, and acid, sulphate and frost attack and other mechanisms remain important areas of study. In addition, the interaction between different degradation mechanisms requires further understanding. The worskhop was organised under the auspices of RILEM EAC (Educational Activities Committee), with the aim to bring together young researchers in the field of durability of concrete.

Enamel Coated Steel Reinforcement for Improved Durability and Life cycle Performance of Concrete Structures Microstructure Corrosion and Deterioration

Enamel Coated Steel Reinforcement for Improved Durability and Life cycle Performance of Concrete Structures  Microstructure  Corrosion  and Deterioration Book
Author : Fujian Tang
Publisher : Unknown
Release : 2013
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

"This study is aimed (a) to statistically characterize the corrosion-induced deterioration process of reinforced concrete structures (concrete cracking, steel mass loss, and rebar-concrete bond degradation), and (b) to develop and apply three types of enamel-coated steel bars for improved corrosion resistance of the structures. Commercially available pure enamel, mixed enamel with 50% calcium silicate, and double enamel with an inner layer of pure enamel and an outer layer of mixed enamel were considered as various steel coatings. Electrochemical tests were respectively conducted on steel plates, smooth bars embedded in concrete, and deformed bars with/without concrete cover in 3.5 wt.% NaCl or saturated Ca(OH)2 solution. The effects of enamel microstructure, coating thickness variation, potential damage, mortar protection, and corrosion environment on corrosion resistance of the steel members were investigated. Extensive test results indicated that corrosion-induced concrete cracking can be divided into four stages that gradually become less correlated with corrosion process over time. The coefficient of variation of crack width increases with the increasing level of corrosion. Corrosion changed the cross section area instead of mechanical properties of steel bars. The bond-slip behavior between the corroded bars and concrete depends on the corrosion level and distribution of corrosion pits. Although it can improve the chemical bond with concrete and steel, the mixed enamel coating is the least corrosion resistant. The double enamel coating provides the most consistent corrosion performance and is thus recommended to coat reinforcing steel bars for concrete structures applied in corrosive environments. Corrosion pits in enamel-coated bars are limited around damage locations"--Abstract, page iii.

Sustainable Buildings and Structures

Sustainable Buildings and Structures Book
Author : Stephen P. Wilkinson,Jun Xia,Chen Bing
Publisher : CRC Press
Release : 2015-10-07
ISBN : 1315647133
Language : En, Es, Fr & De

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Book Description :

Sustainable Buildings and Structures collects the contributions presented at the 1st International Conference on Sustainable Buildings and Structures (Suzhou, China, 29 October-1 November 2016). The book aims to share thoughts and ideas on sustainable approaches to urban planning, engineering design and construction. The topics discussed include:-

Life Cycle Civil Engineering Innovation Theory and Practice

Life Cycle Civil Engineering  Innovation  Theory and Practice Book
Author : Airong Chen,Xin Ruan,Dan M. Frangopol
Publisher : CRC Press
Release : 2021-02-26
ISBN : 1000342042
Language : En, Es, Fr & De

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Book Description :

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.

Public Roads

Public Roads Book
Author : Anonim
Publisher : Unknown
Release : 1984
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Public Roads book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Concrete Durability

Concrete Durability Book
Author : Thomas Dyer
Publisher : CRC Press
Release : 2014-05-01
ISBN : 0203862112
Language : En, Es, Fr & De

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Book Description :

Written specifically for the young professional and addressing a growing need for a long service life with minimal maintenance, Concrete Durability takes a whole new look at the whole-life performance of structures. This text examines physical and chemical issues that can threaten the durability of concrete. It explores available options for achiev

Bridge Maintenance Safety Management Life Cycle Sustainability and Innovations

Bridge Maintenance  Safety  Management  Life Cycle Sustainability and Innovations Book
Author : Hiroshi Yokota,Dan M. Frangopol
Publisher : CRC Press
Release : 2021-04-20
ISBN : 1000173755
Language : En, Es, Fr & De

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Book Description :

Bridge Maintenance, Safety, Management, Life-Cycle Sustainability and Innovations contains lectures and papers presented at the Tenth International Conference on Bridge Maintenance, Safety and Management (IABMAS 2020), held in Sapporo, Hokkaido, Japan, April 11–15, 2021. This volume consists of a book of extended abstracts and a USB card containing the full papers of 571 contributions presented at IABMAS 2020, including the T.Y. Lin Lecture, 9 Keynote Lectures, and 561 technical papers from 40 countries. The contributions presented at IABMAS 2020 deal with the state of the art as well as emerging concepts and innovative applications related to the main aspects of maintenance, safety, management, life-cycle sustainability and technological innovations of bridges. Major topics include: advanced bridge design, construction and maintenance approaches, safety, reliability and risk evaluation, life-cycle management, life-cycle sustainability, standardization, analytical models, bridge management systems, service life prediction, maintenance and management strategies, structural health monitoring, non-destructive testing and field testing, safety, resilience, robustness and redundancy, durability enhancement, repair and rehabilitation, fatigue and corrosion, extreme loads, and application of information and computer technology and artificial intelligence for bridges, among others. This volume provides both an up-to-date overview of the field of bridge engineering and significant contributions to the process of making more rational decisions on maintenance, safety, management, life-cycle sustainability and technological innovations 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 engineers, researchers, academics and students from all areas of bridge engineering.

Maintenance and Safety of Aging Infrastructure

Maintenance and Safety of Aging Infrastructure Book
Author : Dan Frangopol,Yiannis Tsompanakis
Publisher : CRC Press
Release : 2014-10-23
ISBN : 0203386280
Language : En, Es, Fr & De

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Book Description :

This book presents the latest research findings in the field of maintenance and safety of aging infrastructure. The invited contributions provide an overview of the use of advanced computational and/or experimental techniques in damage and vulnerability assessment as well as maintenance and retrofitting of aging structures and infrastructures such

Applications of Statistics and Probability in Civil Engineering

Applications of Statistics and Probability in Civil Engineering Book
Author : Michael Faber,Jochen Koehler,Kazuyoshi Nishijima
Publisher : CRC Press
Release : 2011-07-15
ISBN : 0203144791
Language : En, Es, Fr & De

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Book Description :

Under the pressure of harsh environmental conditions and natural hazards, large parts of the world population are struggling to maintain their livelihoods. Population growth, increasing land utilization and shrinking natural resources have led to an increasing demand of improved efficiency of existing technologies and the development of new ones. A

Resilience and Sustainability of Civil Infrastructures under Extreme Loads

Resilience and Sustainability of Civil Infrastructures under Extreme Loads Book
Author : Zheng Lu,Ying Zhou,Tony Yang,Angeliki Papalou
Publisher : MDPI
Release : 2019-08-26
ISBN : 3039214012
Language : En, Es, Fr & De

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Book Description :

There are many regions worldwide which are susceptible to extreme loads such as earthquakes. These can cause loss of life and adverse impacts on civil infrastructures, the environment, and communities. A series of methods and measures have been used to mitigate the effects of these extreme loads. The adopted approaches and methods must enable civil structures to be resilient and sustainable. Therefore, to reduce damage and downtime in addition to protecting life and promoting safety, new resilient structure technologies must be proposed and developed. This special issue book focuses on methods of enhancing the sustainability and resilience of civil infrastructures in the event of extreme loads (e.g., earthquakes). This book contributes proposals of and theoretical, numerical, and experimental research on new and resilient civil structures and their structural performance under extreme loading events. These works will certainly play a significant role in promoting the application of new recoverable structures. Moreover, this book also introduces some case studies discussing the implementation of low-damage structural systems in buildings as well as articles on the development of design philosophies and performance criteria for resilient buildings and new sustainable communities.

Brittle Matrix Composites

Brittle Matrix Composites Book
Author : Christopher K. Y. Leung,Dongwei Hou
Publisher : Elsevier Inc. Chapters
Release : 2012-11-12
ISBN : 0128090189
Language : En, Es, Fr & De

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Book Description :

Steel corrosion is a major problem with concrete structures. For concrete structures exposed to chlorides, once a critical chloride concentration is reached at the steel surface, corrosion starts to occur. For a given cover thickness, the corrosion initiation time depends on the chloride diffusivity. For different kinds of concrete, the diffusivity Do at the un-cracked state has been measured. However, in reinforced concrete design, concrete members are allowed to crack in tension. Once cracking occurs, chloride can also diffuse through the crack at a faster rate governed by the crack diffusivity Dcr. Recent experiments have shown that Dcr is a function of the crack width. In the present study, finite element analysis is performed to study the effect of cracking on corrosion initiation in concrete with different values of Do. For various crack width and cover thickness, the time for critical chloride concentration to be reached at steel intersected by the crack is determined. Based on the simulation results, we will derive the empirical equation for an effective diffusion coefficient (Deff) which can be employed directly in the solution of the one-dimensional diffusion equation to calculate the corrosion initiation time. The study will provide a convenient but accurate approach for predicting corrosion initiation under real world situations where cracks are present in a concrete structure.