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Supplementary Cementing Materials In Concrete

Author: Michael Thomas
Publisher: CRC Press
ISBN: 1466572981
Size: 70.69 MB
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Supplementary cementing materials (SCMs), such as fly ash, slag, silica fume, and natural pozzolans, make a significant difference to the properties of concrete but are rarely understood in any detail. SCMs can influence the mechanical properties of concrete and improve its durability in aggressive environments. Supplementary Cementing Materials in Concrete covers the chemical, physical, and mineralogical properties of SCMs; their chemical reactions; and the resulting changes in the microstructure of concrete. The author links the properties of the material at the microstructural level with its behavior in laboratory tests, and, in turn, to the performance of the material in concrete structures under field exposure. He explains how SCMs influence the mechanical properties of concrete and improve its durability and also covers how various SCMs influence hydration reactions and the evolution of the pore structure and pore-solution composition. However, SCMs are not a panacea for concrete and improper use may be injurious to certain properties. Achieving the maximum benefit from SCMs requires an understanding of the materials and how they impact concrete properties under various conditions. Drawing on the author’s 30 years of experience, this book helps engineers and practitioners to optimize the use of supplementary cementing materials to improve concrete performance.

Waste And Supplementary Cementitious Materials In Concrete

Author: Rafat Siddique
Publisher: Woodhead Publishing
ISBN: 0081021577
Size: 23.77 MB
Format: PDF, Kindle
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Waste and Supplementary Cementitious Materials in Concrete: Characterisation, Properties and Applications provides a state-of-the-art review of the effective and efficient use of these materials in construction. Chapters focus on a specific type of material, addressing their characterization, strength, durability and structural applications. Sections include discussions of the properties of materials, including their physical, chemical and characterization, their strength and durability, modern engineering applications, case studies, the state of codes and standards of implementation, cost considerations, and the role of materials in green and sustainable construction. The book concludes with a discussion of research needs. Focuses on material properties and applications (as well as ‘sustainability’ aspects) of cementitious materials Assembles leading researchers from diverse areas of study Ideas for use as a ‘one stop’ reference for advanced postgraduate courses focusing on sustainable construction materials

Supplementary Cementing Materials

Author: Rafat Siddique
Publisher: Springer Science & Business Media
ISBN: 9783642178665
Size: 14.42 MB
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This book is an attempt to consolidate the published research related to the use of Supplementary Cementing Materials in cement and concrete. It comprises of five chapters. Each chapter is devoted to a particular supplementing cementing material. It is based on the literature/research findings published in journals/conference proceeding, etc. Topics covered in the book are; coal fly ash, silica fume (SF), granulated blast furnace slag (GGBS), metakaolin (MK), and rice husk ash (RHA). Each chapter contains introduction, properties of the waste material/by-product, its potential usage, and its effect on the properties of fresh and hardened concrete and other cement based materials.

Supplementary Cementing Materials In Concrete

Author:
Publisher:
ISBN: 9781642241846
Size: 28.77 MB
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The use of Supplementary cementing materials (SCMs) dates back to the ancient Greeks who incorporated volcanic ash with hydraulic lime to create a cementitious mortar. Supplementary cementing materials (SCMs) subsidize to the properties of hard-edged concrete through hydraulic or pozzolanic movement. Usual examples are fly ashes, slag cement, and silica fume. These can be used exclusively with Portland or blended cement or in different combinations in order to concrete to make concrete mixtures more economical, reduce permeability, increase strength, or influence other concrete properties. The key to concrete's success is its versatility and no other sector of the construction industry utilizes this attribute more than the manufactured concrete products industry. Concrete can be designed to withstand the harshest environments while taking on the most inspirational forms. This book is an attempt to integrate the current trends and reviews related to the use of Supplementary Cementing Materials in cement and concrete. The book is packed with a range of topics from understanding the fundamental science behind using Supplementary Cementing Materials (SCMs) to practical examples of their use in real situations. It includes a wide range of studies on the properties of the waste material/by-product, its potential usage, and its effect on the properties of fresh and hardened concrete and other cement based materials. With these issues and complexities in mind, the purpose of this book is to provide policymakers with information and analysis necessary to develop regulations and design instruments that have the greatest potential to remove impediments to increased SCM consumption in world and optimize SCM utilization in a manner that is consistent with evolving market conditions in the short, medium, and long terms. It describes how supplementary cementitious materials (SCMs) and blended cements are used in paving concrete as one way of increasing the overall sustainability of concrete mixturesThis book serves as a guiding tool for students, engineers, and practitioners to optimize the use of supplementary cementing materials to improve concrete performance.

Cement Replacement Materials

Author: Ali Akbar Ramezanianpour
Publisher: Springer Science & Business Media
ISBN: 3642367216
Size: 53.61 MB
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The aim of this book is to present the latest findings in the properties and application of Supplementary Cementing Materials and blended cements currently used in the world in concrete. Sustainability is an important issue all over the world. Carbon dioxide emission has been a serious problem in the world due to the greenhouse effect. Today many countries agreed to reduce the emission of CO2. Many phases of cement and concrete technology can affect sustainability. Cement and concrete industry is responsible for the production of 7% carbon dioxide of the total world CO2 emission. The use of supplementary cementing materials (SCM), design of concrete mixtures with optimum content of cement and enhancement of concrete durability are the main issues towards sustainability in concrete industry.

Cement And Concrete Mineral Admixtures

Author: Mustafa Tokyay
Publisher: CRC Press
ISBN: 1498716555
Size: 28.89 MB
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Supplementary cementing materials and other mineral admixtures are being used in increasing amounts in both cement and concrete. Their main technical benefits are that they enhance the workability of fresh concrete and the durability of hardened concrete. Indeed, they affect almost every property of the concrete. Their economic and ecological benefits may be just as significant, and their use can be expected to increase as concrete remains the most common construction material. Cement and Concrete Mineral Admixtures concentrates mostly on natural pozzolans, fly ashes, ground granulated blast furnace slag, silica fume and limestone powder, namely the most commonly used mineral admixtures. Others such as metakaolin, rice husk ash, expanded clays and shales are also discussed. Their chemical, mineralogical, and physical properties are outlined. The influence of mineral admixtures on the hydration of cementitious systems, and the properties of fresh and hardened concrete in which they are used are emphasized. International standards are reviewed. The basics of concrete mix proportioning with mineral admixtures are outlined. The possibilities of using mineral admixtures as constituents of special concretes such as self-compacting, reactive powder, roller-compacted concretes and special non-portland, low-cost, low-energy and/or low-CO2 cements such as alinite, calcium sulfoaluminate, and belitic cements and alkali-activated binders are also covered. The book is a comprehensive reference for senior undergraduate and graduate students and researchers in the fields of cement and concrete, and for cement and concrete practitioners.

Measuring Monitoring And Modeling Concrete Properties

Author: Maria S. Konsta-Gdoutos
Publisher: Springer Science & Business Media
ISBN: 1402051042
Size: 68.96 MB
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This state-of-the-art volume covers the latest and future trends in measuring, monitoring and modeling the properties of cement based materials including computational and experimental micro-mechanical modeling of high-performance cementitious composites (HPFRCs), mechanical behavior and fracture of conventional and new cement based composites, advanced methods for crack detection in concrete, realistic assessment and modeling for mechanical behavior of early age concrete, autogenous shrinkage and microcracking in heterogeneous systems, quantitative image analysis for microstructural characterization of concrete, development of innovative cementitious materials, composition of concretes with special rheological properties, new concepts for the processing of repair and rehabilitation measures of concrete structures and historic building materials, bond characteristics and structural behavior of fiber reinforced plastics and hybrid fabrics, and modeling of textile reinforced concrete. This book contains 94 papers and presents the latest research work of renowned experts in the area of cement and concrete sciences.

Eco Efficient Concrete

Author: M. Cyr
Publisher: Elsevier Inc. Chapters
ISBN: 0128088982
Size: 41.73 MB
Format: PDF
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This chapter presents the effects of supplementary cementitious materials (SCMs) on properties affecting the durability of concrete (porosity, permeability), and on the major factors affecting concrete durability (alkali– silica reaction, delayed ettringite formation, sulphate attacks, acid attacks, frost resistance, abrasion, carbonation and chloride ingress). General trends and specific effects of ground-granulated blast-furnace slag, fly ash, silica fume and metakaolin, when used as cement replacement, are reported and discussed.

Calcined Clays For Sustainable Concrete

Author: Karen Scrivener
Publisher: Springer
ISBN: 9401799393
Size: 66.90 MB
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This volume focuses on research and practical issues linked to Calcined Clays for Sustainable Concrete. The main subjects are geology of clays, hydration and performance of blended system with calcined clays, alkali activated binders, economic and environmental impacts of the use of calcined clays in cement based materials. Topics addressed in this book include the influence of processing on reactivity of calcined clays, influence of clay mineralogy on reactivity, geology of clay deposits, Portland-calcined clay systems, hydration, durability, performance, Portland-calcined clay-limestone systems, hydration, durability, performance, calcined clay-alkali systems, life cycle analysis, economics and environmental impact of use of calcined clays in cement and concrete and field applications. This book compiles the different contributions of the 1st International Conference on Calcined Clays for Sustainable Concrete, which took place in Lausanne, Switzerland, June, 23-25, 2015.The papers present the latest research in their field. It contains nearly 80 papers and abstracts. Overall, this work gives a broad view of research on calcined clays in the field of construction and will stimulate further research into calcined clays for sustainable concrete.