Science and Technology of Concrete Admixtures

Science and Technology of Concrete Admixtures
Author: Pierre-Claude Aïtcin
Publisher: Woodhead Publishing
Total Pages: 668
Release: 2015-11-12
Genre: Technology & Engineering
ISBN: 0081006969

Science and Technology of Concrete Admixtures presents admixtures from both a theoretical and practical point-of-view. The authors emphasize key concepts that can be used to better understand the working mechanisms of these products by presenting a concise overview on the fundamental behavior of Portland cement and hydraulic binders as well as their chemical admixtures, also discussing recent effects in concrete in terms of rheology, mechanics, durability, and sustainability, but never forgetting the fundamental role played by the water/binder ratio and proper curing in concrete technology. Part One presents basic knowledge on Portland cement and concrete, while Part Two deals with the chemical and physical background needed to better understand what admixtures are chemically, and through which mechanism they modify the properties of the fresh and hardened concrete. Subsequent sections present discussions on admixtures technology and two particular types of concrete, self-consolidating and ultra-high strength concretes, with final remarks on their future. - Combines the knowledge of two leading authors to present both the scientific and technology of admixtures - Explains what admixtures are from a chemical point-of-view and illustrates by which mechanisms they modify the properties of fresh and hardened concrete - Presents a fundamental, practical, and innovative reference book on the topic - Contains three detailed appendices that can be used to learn how to use admixtures more efficiently

Designing Green Cement Plants

Designing Green Cement Plants
Author: S.P. Deolalkar
Publisher: Butterworth-Heinemann
Total Pages: 436
Release: 2015-09-02
Genre: Technology & Engineering
ISBN: 0128034351

Cement production is known to be a polluting and energy-intensive industry. Cement plants account for 5 percent of global emissions of carbon dioxide and one of the main causes of global warming. However, cement it is literally the glue of progress. Designing Green Cement Plants provides the tools and techniques for designing new large cement plants that would promote sustainable growth, preserve natural resources to the maximum possible extent and make least possible additions to the Greenhouse Gases that cause global warming. Brief and but authoritative, this title embraces new technologies and methods such as Carbon Capture and Sequestration, as well as methods for harnessing renewable energy sources such as wind and solar. The author also discusses the efficient use of energy and materials through the use recycling. In addition, this book also examines thepossibilities of developing green cement substitutes such as Calera, Caliix, Novacem, Aether and Geopolymer cements. - Includes the tools and methods for reducing the emissions of greenhouse Gases - Explores technologies such as: carbon capture and storage and substitute cements - Provides essential data to determining the unique factors involved in designing large new green cement plants - Includes interactive excel spreadsheets - Methods for preforming a cost benefits analysis for the production of green cements as opposed to conventional OPC

Regeneration of the Built Environment from a Circular Economy Perspective

Regeneration of the Built Environment from a Circular Economy Perspective
Author: Stefano Della Torre
Publisher: Springer Nature
Total Pages: 380
Release: 2019-12-30
Genre: Technology & Engineering
ISBN: 303033256X

This open access book explores the strategic importance and advantages of adopting multidisciplinary and multiscalar approaches of inquiry and intervention with respect to the built environment, based on principles of sustainability and circular economy strategies. A series of key challenges are considered in depth from a multidisciplinary perspective, spanning engineering, architecture, and regional and urban economics. These challenges include strategies to relaunch socioeconomic development through regenerative processes, the regeneration of urban spaces from the perspective of resilience, the development and deployment of innovative products and processes in the construction sector in order to comply more fully with the principles of sustainability and circularity, and the development of multiscale approaches to enhance the performance of both the existing building stock and new buildings. The book offers a rich selection of conceptual, empirical, methodological, technical, and case study/project-based research. It will be of value for all who have an interest in regeneration of the built environment from a circular economy perspective.

Durability of Concrete and Cement Composites

Durability of Concrete and Cement Composites
Author: Chris L. Page
Publisher: Elsevier
Total Pages: 415
Release: 2007-06-30
Genre: Technology & Engineering
ISBN: 1845693396

Whilst most structures made using concrete and cement-based composites have not shown signs of premature degradation, there have been notable exceptions. In addition, there is increasing pressure for new structures to remain in serviceable condition for long periods with only minimal maintenance before being recycled. All these factors have highlighted the issues of what affects the durability of these materials in different circumstances and how material properties can be measured and improved. Durability of concrete and cement composites summarises key research on these important topics.After an introductory chapter, the book reviews the pore structure and chemistry of cement-based materials, providing the foundation for understanding the particular aspects of degradation which are discussed in the following chapters. These include dimensional stability and cracking processes, chemical and microbiological degradation of concrete, corrosion of reinforcing and prestressing steels, deterioration associated with certain aggregates, effects of frost and problems involving fibre-reinforced and polymer-cement composites.With its distinguished international team of contributors, Durability of concrete and cement composites is a standard reference for all those concerned with improving the service life of structures using these materials. - Analyses a range of materials such as reinforced steel in concrete, pre-stressed concrete and cement composites - Discusses key degradation phenomena such as cracking processes and the impact of cold weather conditions - A standard reference for those concerned with improving the service life of structures using concrete and cement based composites

The Utilization of Slag in Civil Infrastructure Construction

The Utilization of Slag in Civil Infrastructure Construction
Author: George C. Wang
Publisher: Woodhead Publishing
Total Pages: 444
Release: 2016-06-24
Genre: Technology & Engineering
ISBN: 0081003978

The Utilization of Slag in Civil Infrastructure Construction strives to integrate the theory, research, and practice of slag utilization, including the production and processing of slags. The topics covered include: production and smelting processes for metals; chemical and physical properties of slags; pretreatment and post-treatment technology to enhance slag properties; potential environmental impact; mechanisms of potential expansion; special testing methods and characteristics; slag processing for aggregate and cementitious applications; suitability of slags for use in specific applications; overall properties of materials containing slags; and commercialization and economics. The focus of the book is on slag utilization technology, with a review of the basic properties and an exploration of how its use in the end product will be technically sound, environment-friendly, and economic. - Covers the production, processing, and utilization of a broad range of ferrous, non-ferrous, and non-metallurgical slags - Provides information on applicable methods for a particular slag and its utilization to reduce potential environmental impacts and promote natural resource sustainability - Presents the overall technology of transferring a slag from the waste stream into a useful materials resource - Provides a detailed review of the appropriate utilization of each slag from processing right through to aggregate and cementitious use requirements

Eco-efficient Repair and Rehabilitation of Concrete Infrastructures

Eco-efficient Repair and Rehabilitation of Concrete Infrastructures
Author: Fernando Pacheco-Torgal
Publisher: Elsevier
Total Pages: 457
Release: 2024-03-13
Genre: Technology & Engineering
ISBN: 0443134715

Eco-efficient Repair and Rehabilitation of Concrete Infrastructures, Second Edition provides an updated state-of-the-art review on the latest advances in this important research field. The first section is brought fully up-to-date and focuses on deterioration assessment methods. Section two contains brand new chapters on innovative concrete repair and rehabilitation materials including: fly ash-based alkali-activated repair materials for concrete exposed to aggressive environments; repairing concrete structures with alkali-activated metakaolin mortars; concrete with micro encapsulated self-healing materials; concrete repaired with bacteria; concrete structures repaired with engineered cementitious composites; concrete repaired by electrodeposition; the assessment of concrete after repair operations and durability of concrete repair. The final section has also been amended to include six new chapters on design, Life-cycle cost analysis and life-cycle assessment. These chapters include maintenance strategies for concrete structures; a comparison of different repair methods; life cycle assessment of the effects of climate change on bridge deterioration; life-cycle-cost benefits of cathodic protection of concrete structures; life-cycle cost analyses for concrete bridges exposed to chlorides and life-cycle analysis of repair of concrete pavements. The book will be an essential reference resource for materials scientists, civil and structural engineers, architects, structural designers and contractors working in the construction industry. - Presents the latest research findings on eco-efficient repair and rehabilitation of concrete infrastructures - Provides comprehensive coverage from damage detection and assessment, to repair strategies, and structural health monitoring - Diverse author base offering insights on construction practice and employed technologies worldwide - Includes a section on innovative repair and rehabilitation materials, as well as case studies on life cycle cost analysis and LCA

Cement Replacement Materials

Cement Replacement Materials
Author: Ali Akbar Ramezanianpour
Publisher: Springer Science & Business Media
Total Pages: 345
Release: 2013-09-24
Genre: Science
ISBN: 3642367216

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.