Self Healing Cementitious Materials
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Self Healing Cementitious Materials
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Author : Ghasan Fahim Huseien
language : en
Publisher: CRC Press
Release Date : 2022-05-02
Self Healing Cementitious Materials written by Ghasan Fahim Huseien and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-05-02 with Technology & Engineering categories.
Climate change is anticipated to have a major impact on concrete structures through increasing rates of deterioration and the impact of extreme weather events. The repair of any damage will be highly labor-intensive and expensive. Self-healing cementitious materials can enable the construction industry to mitigate these effects and move toward greater sustainability, safety, and increased cost savings and efficiency. This book: Examines concrete structures based on various materials with self-repair capability and their implications for future use in sustainable projects. Discusses advantages and design strategies of self-healing concretes. Covers several effective and detailed self-repair methods, with comparative analysis of the advantages and disadvantages of each method. Examines the use of various materials, including polymers and nanomaterials. Reviews factors affecting performance, properties, and applications. Delves into future directions and opportunities. Written for researchers, advanced students, and industry professionals, Self-Healing Cementitious Materials: Technologies, Evaluation Methods, and Applications offers a detailed view of an important emerging technology in materials science, civil engineering, and related fields.
Self Healing Phenomena In Cement Based Materials
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Author : Mario de Rooij
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-04-17
Self Healing Phenomena In Cement Based Materials written by Mario de Rooij and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-17 with Technology & Engineering categories.
Self-healing materials are man-made materials which have the built-in capability to repair damage. Failure in materials is often caused by the occurrence of small microcracks throughout the material. In self-healing materials phenomena are triggered to counteract these microcracks. These processes are ideally triggered by the occurrence of damage itself. Thus far, the self-healing capacity of cement-based materials has been considered as something "extra". This could be called passive self-healing, since it was not a designed feature of the material, but an inherent property of it. Centuries-old buildings have been said to have survived these centuries because of the inherent self-healing capacity of the binders used for cementing building blocks together. In this State-of-the-Art Report a closer look is taken at self-healing phenomena in cement-based materials. It is shown what options are available to design for this effect rather than have it occur as a "coincidental extra".
Development Characterization And Modeling Of Self Healing Cementitious Materials
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Author : Jialuo He
language : en
Publisher:
Release Date : 2020
Development Characterization And Modeling Of Self Healing Cementitious Materials written by Jialuo He and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with Concrete categories.
Cracking is known as the main challenge for the life-cycle performance of concrete. However, the difficulty and cost of repair and maintenance would significantly increase when the cracks are invisible to the raw eyes or inaccessible for human. Therefore, utilizing a self-healing system seems to be an innovative and promising alternative. This work studied the healing performances and influences of two types of abiotic self-healing systems, i.e. urea-formaldehyde (UF) microcapsules and encapsulated impregnated lightweight aggregates (LWAs).We hypothesized that UF microcapsules should have the potential of mitigating the early-age shrinkage and enhancing the freeze-thaw resistance of cement mortar and cement concrete, respectively. Moreover, the LWAs impregnated with saturated Ca(OH)2 solution should be capable of healing the cracks of cement mortar due to bending. Thus, we conducted a series of tests and characterizations to validate our hypotheses and realize the potential of these two self-healing systems.The UF microcapsules exhibit good performance in mitigating the total shrinkage of cement mortar during the 35-day curing period. With the aid of polyvinyl alcohol (PVA) microfibers, the mitigating performance could be further improved. Moreover, this self-healing system could reduce the gas permeability of cement mortar. The scanning electron microscopic observation confirms the healing behavior and validates the chemical composition of healing products. Besides, the UF microcapsules could significantly enhance the durability of cement concrete subjected to freeze-thaw cycles. The 3-D X-ray microcomputed tomography (CT) reveals the enhancing mechanism. We developed a probabilistic damage model based on Weibull distribution and the predicted service life of such self-healing concrete is extended 10 times.Based on the response surface method, the LWAs impregnated with saturated Ca(OH)2 solution are encapsulated by modified PVA films with the optimal designs. The mechanical regain of cement mortar with/without LWAs is determined through three-point bending test. According to the experimental results, the relationship between the mechanical regain and healing period is proposed based on fracture mechanics.To fully validate these models, the test of relative dynamic modulus of elasticity till the failure of concrete and mechanical regain after a longer healing period will be conducted in the future.
Self Healing Cementitious Materials
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Author : Ghasan Fahim Huseien
language : en
Publisher: CRC Press
Release Date : 2022-05-02
Self Healing Cementitious Materials written by Ghasan Fahim Huseien and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-05-02 with Technology & Engineering categories.
Climate change is anticipated to have a major impact on concrete structures through increasing rates of deterioration and the impact of extreme weather events. The repair of any damage will be highly labor-intensive and expensive. Self-healing cementitious materials can enable the construction industry to mitigate these effects and move toward greater sustainability, safety, and increased cost savings and efficiency. This book: Examines concrete structures based on various materials with self-repair capability and their implications for future use in sustainable projects. Discusses advantages and design strategies of self-healing concretes. Covers several effective and detailed self-repair methods, with comparative analysis of the advantages and disadvantages of each method. Examines the use of various materials, including polymers and nanomaterials. Reviews factors affecting performance, properties, and applications. Delves into future directions and opportunities. Written for researchers, advanced students, and industry professionals, Self-Healing Cementitious Materials: Technologies, Evaluation Methods, and Applications offers a detailed view of an important emerging technology in materials science, civil engineering, and related fields.
Self Healing Cementitious Materials
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Author : Ben Isaacs
language : en
Publisher:
Release Date : 2011
Self Healing Cementitious Materials written by Ben Isaacs and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Cement composites categories.
Self Healing Concrete
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Author : David J.Fisher
language : en
Publisher: Materials Research Forum LLC
Release Date : 2021-05-20
Self Healing Concrete written by David J.Fisher and has been published by Materials Research Forum LLC this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-05-20 with Technology & Engineering categories.
Self-healing techniques are most successful in preventing concrete from cracking or breaking. The book reviews the most promising methods, including the use of polymers, epoxy resins, fungi or cementitious composites; biomineralization, continuing hydration or carbonation or wet/dry cycling. Various micro-organisms are able to produce favorable effects, such as denitrification, calcium carbonate formation, sulfate reduction or the production of methane. The book references 289 original resources and includes their direct web link for in-depth reading. Keywords: Self-Healing Concrete, Concrete Inspection, Concrete Maintenance, Concrete Repair, Polymers, Bacteria, Fungi, Cementitious Composites, Biomineralization, Carbonation, Wet/dry Cycling, Denitrification, Calcium Carbonate Formation, Sulfate Reduction, Methane Production, Micro-organisms, Phototrophic Micro-organisms, Aerobic Organotrophic Bacteria, Anaerobic Micro-organisms.
Self Healing Of Cementitious Materials
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Author : M. Waqas Liaqat
language : en
Publisher:
Release Date : 2009
Self Healing Of Cementitious Materials written by M. Waqas Liaqat and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Cement categories.
Micromechanical Modelling Of Self Healing Cementitious Materials
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Author :
language : en
Publisher:
Release Date : 2017
Micromechanical Modelling Of Self Healing Cementitious Materials written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
Abstract: A new approach is described for simulating self-healing behaviour in cementitious materials with a two phase micro-mechanical constitutive model. A Mori–Tanaka homogenisation scheme is employed for the composite along with an exterior point Eshelby solution that accounts for stress concentrations adjacent to inclusions. In addition, anisotropic micro-cracking is simulated using arrays of circular cracks. Self-healing is incorporated into the model by using a novel solidification formulation that models healing under both null and non-zero strain conditions. The focus of the present work is on the recovery of mechanical properties of the micro-cracked material. The performance of the 3D micromechanical self-healing model is illustrated using a series of stress-strain paths that involve damage and healing cycles. The implementation of the model in a layered beam model is also described, as are a series of model validations that employed data from a recent test series undertaken at Cardiff University as well as data from tests undertaken by others. The examples and validations show that the new micro-mechanical self-healing model is capable of representing the characteristic mechanical response of self-healing cementitious materials.
Bacteria Based Self Healing Cementitious Materials For Cold And Temperate Climates
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Author : Lorena Skevi
language : en
Publisher:
Release Date : 2023
Bacteria Based Self Healing Cementitious Materials For Cold And Temperate Climates written by Lorena Skevi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023 with categories.
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Self Healing Construction Materials
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Author : Antonios Kanellopoulos
language : en
Publisher: Springer Nature
Release Date : 2021-12-08
Self Healing Construction Materials written by Antonios Kanellopoulos and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-12-08 with Technology & Engineering categories.
This book provides a thorough overview of all techniques for producing self-healing construction materials. Construction materials (cement-based, bituminous, metals, and alloys) are prone to cracking, which with the progress of time can lead to compromising of the structural integrity of critical infrastructure. Self-healing materials form a new class of materials that have inbuilt engineered properties to counteract damage and repair it before it becomes critical. The methods for monitoring, modeling, and assessing self-healing are also reviewed. The final section of the book discusses the future outlook and potential extension of self-healing concepts to other materials (e.g., heritage structures and soils).