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Evaluates the feasibility of using concrete containing recycled concrete aggregate (RCA) and fly ash in concrete pavement applications. Produces two batches of different concrete mixtures in the laboratory, with each batch containing 0%, 25% of RCA with 0%, 10%, and 15% fly ash (by weight) cured with two cure durations. Cement water ratio for the first batch is 0.55, and for the second batch, 0.45. Discusses the effects of RCA and fly ash on the compressive strength, modulus of electricity, and flexural strength.
The Handbook of Sustainable Concrete and Industrial Waste Management summarizes key research trends in recycling and reusing concrete and industrial waste to reduce their environmental impact. This volume also includes important contributions in collaboration with the CRI-TEST Innovation Lab, Naples – Acerra. Part one discusses eco-friendly innovative cement and concrete and reviews key substitute materials. Part two analyzes the use of industrial waste as aggregates and the mechanical properties of concrete containing waste materials. Part three discusses differences between innovative binders, focusing on alkali-activated and geopolymer concrete. Part four provides a thorough overview of the life cycle assessment (LCA) of concrete containing industrial wastes and the impacts related to the logistics of wastes, the production of the concrete, and the management of industrial wastes. By providing research examples, case studies, and practical strategies, this book is a state-of-the-art reference for researchers working in construction materials, civil or structural engineering, and engineers working in the industry. - Offers a systematic and comprehensive source of information on the latest developments in sustainable concrete; - Analyzes different types of sustainable concrete and innovative binders from chemical, physical, and mechanical points of view; - Includes real case studies showing application of the LCA methodology.
Concrete is the most used man-made material in the world since its invention. The widespread use of this material has led to continuous developments such as ultra-high strength concrete and self-compacting concrete. Recycled Aggregate in Concrete: Use of Industrial, Construction and Demolition Waste focuses on the recent development which the use of various types of recycled waste materials as aggregate in the production of various types of concrete. By drawing together information and data from various fields and sources, Recycled Aggregate in Concrete: Use of Industrial, Construction and Demolition Waste provides full coverage of this subject. Divided into two parts, a compilation of varied literature data related to the use of various types of industrial waste as aggregates in concrete is followed by a discussion of the use of construction and demolition waste as aggregate in concrete. The properties of the aggregates and their effect on various concrete properties are presented, and the quantitative procedure to estimate the properties of concrete containing construction and demolition waste as aggregates is explained. Current codes and practices developed in various countries to use construction and demolition waste as aggregates in concrete and issues related to the sustainability of cement and concrete production are also discussed. The comprehensive information presented in Recycled Aggregate in Concrete: Use of Industrial, Construction and Demolition Waste will be helpful to graduate students, researchers and concrete technologists. The collected data will also be an essential reference for practicing engineers who face problems concerning the use of these materials in concrete production.
Document from the year 2015 in the subject Environmental Sciences, grade: 8.44, , course: M.Tech., language: English, abstract: Concrete is the most widely used construction material for infrastructure needs in the Asian region and in the world. Unfortunately, the concrete industry is one of the largest consumers of natural resources and energy, and is responsible for large emissions of carbon dioxide that is one of the greenhouse gases responsible for global warming. It is imperative that the concrete industry must be in an active role of balancing the infrastructure needs and the protection of environment. This work presents a summary of some recent research closely associated with the sustainable development of concrete technology. The research projects include study and analysis of: - Causes of deterioration of concrete structures, problems at construction sites that causes early deterioration of concrete structures. In addition to above this book also presents some environmentally-friendly and sustainable concrete technology including the use of supplementary cementing materials (SCM), recycling concrete and other materials, enhancement of service life of concrete structures. Emerging technologies that have the potential to significantly contribute to sustainable concrete industry and barriers against reuse are presented at the end of book.
Recycled Ceramics in Sustainable Concrete: Properties and Performance explores the use of novel waste materials in the construction industry as sustainable and environmentally friendly alternatives to traditional cement production technologies. It specifically focuses on using waste ceramics as a binder and aggregate replacement for concrete. Includes a lifecycle assessment Describes recycling of ceramic tile waste as fine and coarse aggregate replacement Discusses microstructure performance of sustainable concrete Evaluates performance of sustainable concrete exposed to elevated temperatures and corrosives Written for materials, chemical, and civil engineers as well as others who develop construction materials, this book provides readers with a thorough understanding of the merits of using waste ceramics to produce sustainable concrete. .
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
This book presents solutions for optimizing sustainable concrete fabrication techniques. It shows how to reinforce sustainable concrete by various waste materials such as glass waste, uncrushed cockle shell, plastic waste and ceramic tiles. It also reports on properties’ enhancement of high-strength concrete materials. The book presents an analysis of the environmental impact of waste materials’ use.
Sustainable Construction Materials: Recycled Aggregate focuses on the massive systematic need that is necessary to encourage the uptake of recycled and secondary materials (RSM) in the construction industry. This book is the fifth and the last of the series on sustainable construction materials and like the previous four, it is also different to the norm. Its uniqueness lies in using the newly developed, Analytical Systemisation Method, in building the data-matrix sourced from 1413 publications, contributed by 2213 authors from 965 institutions in 67 countries, from 1977 to 2018, on the subject of recycled aggregate as a construction material, and systematically analysing, evaluating and modelling this information for use of the material as an aggregate concrete and mortar, geotechnics and road pavement applications. Environmental issues, case studies and standards are also discussed. The work establishes what is already known and can be used to further progress the use of sustainable construction materials. It can also help to avoid repetitive research and save valuable resources. The book is structured in an incisive and easy to digest manner and is particularly suited for researchers, academics, design engineers, specifiers, contractors, and government bodies dealing with construction works. - Provides an exhaustive and comprehensively organized list of globally-based published literature spanning 5000 references - Offers an analysis, evaluation, repackaging and modeling of existing knowledge that encourages more responsible use of waste materials - Provides a wealth of knowledge for use in many sectors relating to the construction profession, including academia, research, practice and adoption of RSM