This volume represents the current knowledge on the effect of SCMs (slag, fly ash, silica fume, limestone powder, metakaolin, natural pozzolans, rice husk ash, special SCMs, ternary blends) on the properties of fresh and hardened concrete (e.g. early strength development, workability, shrinkage) and curing requirements. Other topics treated in the book are postblending vs preblending, implications of SCM variability, interaction between SCM and commonly used admixtures (e.g. superplasticizers, air entrainers).
Aside from water the materials which are used by mankind in highest quantities arecementitious materials and concrete. This book shows how the quality of the technical product depends on mineral phases and their reactions during the hydration and strengthening process. Additives and admixtures infl uence the course of hydration and the properties. Options of reducing the CO2-production in cementitious materials are presented and numerous examples of unhydrous and hydrous phases and their formation conditions are discussed. This editorial work consists of four parts including cement composition and hydration, Special cement and binder mineral phases, Cementitious and binder materials, and Measurement and properties. Every part contains different contributions and covers a broad range within the area. Contents Part I: Cement composition and hydration Diffraction and crystallography applied to anhydrous cements Diffraction and crystallography applied to hydrating cements Synthesis of highly reactive pure cement phases Thermodynamic modelling of cement hydration: Portland cements – blended cements – calcium sulfoaluminate cements Part II: Special cement and binder mineral phases Role of hydrotalcite-type layered double hydroxides in delayed pozzolanic reactions and their bearing on mortar dating Setting control of CAC by substituted acetic acids and crystal structures of their calcium salts Crystallography and crystal chemistry of AFm phases related to cement chemistry Part III: Cementitious and binder materials Chemistry, design and application of hybrid alkali activated binders Binding materials based on calcium sulphates Magnesia building material (Sorel cement) – from basics to application New CO2-reduced cementitious systems Composition and properties of ternary binders Part IV: Measurement and properties Characterization of microstructural properties of Portland cements by analytical scanning electron microscopy Correlating XRD data with technological properties No cement production without refractories
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.
Steel-reinforced concrete is used ubiquitously as a building material due to its unique combination of the high compressive strength of concrete and the high tensile strength of steel. Therefore, reinforced concrete is an ideal composite material that is used for a wide range of applications in structural engineering such as buildings, bridges, tunnels, harbor quays, foundations, tanks and pipes. To ensure durability of these structures, however, measures must be taken to prevent, diagnose and, if necessary, repair damage to the material especially due to corrosion of the steel reinforcement. The book examines the different aspects of corrosion of steel in concrete, starting from basic and essential mechanisms of the phenomenon, moving up to practical consequences for designers, contractors and owners both for new and existing reinforced and prestressed concrete structures. It covers general aspects of corrosion and protection of reinforcement, forms of attack in the presence of carbonation and chlorides, problems of hydrogen embrittlement as well as techniques of diagnosis, monitoring and repair. This second edition updates the contents with recent findings on the different topics considered and bibliographic references, with particular attention to recent European standards. This book is a self-contained treatment for civil and construction engineers, material scientists, advanced students and architects concerned with the design and maintenance of reinforced concrete structures. Readers will benefit from the knowledge, tools, and methods needed to understand corrosion in reinforced concrete and how to prevent it or keep it within acceptable limits.
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
Self-Compacting Concrete: Materials, Properties and Applications presents the latest research on various aspects of self-compacting concrete, including test methods, rheology, strength and durability properties, SCC properties at elevated temperature, SC manufacturing with the use of SCMs, recycled aggregates and industrial by-products. Written by an international group of contributors who are closely associated with the development of self-compacting concrete, the book explores the main differences between SCC and normal concrete in terms of raw materials, fresh properties and hardened properties. Other topics discussed include the structure and practical applications of fiber reinforced SCC. Researchers and experienced engineers will find this reference to be a systematic source to SCC with its accounting of the latest breakthroughs in the field and discussions of SCC constructability, structural integrity, improved flows into complex forms, and superior strength and durability. - Offers a systematic and comprehensive source of information on the latest developments in SCC technology - Includes mix design procedures, tests standards, rheology, strength and durability properties - Explores the properties and practical applications of SCC
Those who are working in the manufacture and development of sustainable construction materials need to have a detailed understanding of the many different processes that are available to make sustainable concrete and cement. New Trends in Sustainable Concrete and Cement will enlighten the scientific community on recent developments in this field. Within the volume world-renowned experts summarize recent research findings covering key topics such as: alkali-activated materials using aluminosilicate waste precursors; use of novel cost-effective and eco-efficient supplementary cementitious materials; state of the art characterization techniques and assessment methodologies; advances on the use of biomass ashes, steel slags and waste glass; the role of carbon capture in the production of concrete and mortar; development of eco-efficient composites for specialized applications; recycling of the fine fraction of construction and demolition wastes; and sustainable self-healing concrete. The book will be a valuable reference resource for academic and industrial researchers, civil and structural engineers, manufacturers, and other construction professionals working in the development of sustainable construction materials. - Presents recent developments on eco-efficient cementitious composites - Places an emphasis on complete replacement of cement, with the use of alkali-activated materials - Includes novel enhancing techniques, along with 3D printing and characterization methods
Sustainable Concrete Materials and Structures focuses on recent research progress and innovations in this important field of research. All aspects of the technical routes to sustainable concrete and structures are discussed in detail. These include recent findings on sustainable concrete production and structural design and construction. Low-carbon cement, sustainable concrete mix design, durability, and structural applications are discussed in detail. Emphasis is placed on how to bring some of the innovations in concrete technology closer to market. Information on techno-economic analysis, economy of scale, and the supply chain of sustainable concrete is also addressed. The book will be an essential reference resource for academic and industrial researchers working in civil engineering, material science, chemical engineering, and the development and manufacture of construction materials. - Provides a comprehensive collection of technical reviews on the latest advancements in sustainable concrete materials and structures - Presents state-of-the-art research on preparation, production, processing, and implementation techniques for sustainable concrete materials and structures - Features techno-economic analysis for each technology discussed - Covers lifecycle assessment, the Circular Economy and end of life of concrete structures - Includes industry case studies on implementation
