Download or read book Science and Technology of Concrete Admixtures written by Pierre-Claude Aïtcin and published by Woodhead Publishing. This book was released on 2015-11-12 with total page 666 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

Download or read book Concrete Admixtures Handbook 2nd Ed written by V.S. Ramachandran and published by William Andrew. This book was released on 1996-12-31 with total page 1183 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the publication of the first edition ten years ago, significant developments have occurred in the use of admixtures in concrete. Eight new chapters and a full update of the preceding ten chapters bring this book up to date; reflecting the relative advances made in the science and technology of different groups of admixtures. The increased role and development of admixtures in concrete technology is evidenced by a number of conferences, publications, and novel admixtures available in the market place. These developments in the field caused the modification of many chapters in the first edition in order to reflect the advances. Although individual chapters refer to standards and specifications of admixtures, those only interested in the standards or techniques used in investigating admixtures will find the second chapter (Research Technologies, Standards, and Specifications) useful. Admixtures are not as inert as may be presumed. They may chemically interact with the constituents of concrete and affect the properties of the fresh and hardened concrete and its durability. The third chapter deals with these aspects. It was important to devote a chapter to recent attempts in developing new admixtures.

Download or read book Symposium on Effect of Water reducing Admixtures and Set retarding Admixtures on Properties of Concrete written by and published by ASTM International. This book was released on 1960 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Chemical Admixtures for Concrete written by Sandra Senft and published by CRC Press. This book was released on 1999-06-24 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemical admixtures are used in concrete mixtures to produce particular engineering properties such as rapid hardening, water-proofing or resistance to cold. Chemical Admixtures for Concrete surveys recent developments in admixture technology, explaining the mechanisms by which admixtures produce their effects, the various types of admixtures avail

Download or read book Application of Admixtures in Concrete written by A.M. Paillere and published by CRC Press. This book was released on 1994-10-13 with total page 131 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a thorough review of the properties and use of the principal chemical admixtures for use in concrete. Concise and clearly presented, the book includes extensive references to key sources of information. The presentation of each admixture is in a standard format, which helps the reader to find relevant information easily.

Download or read book Evaluating Air entraining Admixtures for Highway Concrete written by Mohamad Nagi and published by Transportation Research Board. This book was released on 2007 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This report presents a recommended procedure for evaluating air-entraining admixtures used in highway concrete. The procedure involves the testing of non-air-entrained concrete and concrete containing the air-entraining admixture under simulated field conditions. Criteria are proposed for acceptance of admixtures for use in either highway pavements or structures. The recommended procedure and acceptance criteria will guide materials engineers in evaluating and selecting air-entraining admixtures that should contribute to appropriate freeze-thaw durability and thus to good performance and long service life. The content of the report will be of immediate interest to materials engineers, researchers, and others concerned with the design of concrete mixtures for use in highway pavements and structures."--taken from Foreword, page [v].

Download or read book Antifreeze Admixtures for Concrete written by Cold Regions Research and Engineering Laboratory (U.S.) and published by . This book was released on 1997 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Investigation of Water reducing Admixtures for Concrete written by U.S. Army Engineer Waterways Experiment Station and published by . This book was released on 1961 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book An Introduction to Chemical Admixtures for Concrete for Construction Managers written by J. Paul Guyer, P.E., R.A. and published by Guyer Partners. This book was released on 2022-05-21 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introductory technical guidance for construction managers interested in concrete construction Here is what is discussed: 1. GENERAL, 2. AIR-ENTRAINING ADMIXTURES, 3. ACCELERATING ADMIXTURE, 4. RETARDING ADMIXTURES, 5. WATER-REDUCING ADMIXTURES, 6. HIGH-RANGE WATER-REDUCING ADMIXTURES, ("SUPERPLASTICIZERS")., 7. ANTIWASHOUT ADMIXTURES, 8. EXTENDED SET-CONTROL ADMIXTURES, 9. ANTIFREEZE ADMIXTURES.

Download or read book An Introduction to Chemical Admixtures Sealers and Coatings for Concrete written by J. Paul Guyer, P.E., R.A. and published by Guyer Partners. This book was released on 2021-08-21 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introductory technical guidance for civil engineers, structural engineers and construction managers interested in admixtures, sealers and coatings for concrete. Here is what is discussed: 2. AIR-ENTRAINING ADMIXTURES 3. ACCELERATING ADMIXTURE 4. RETARDING ADMIXTURES 5. WATER-REDUCING ADMIXTURES 6. HIGH-RANGE WATER-REDUCING ADMIXTURES ("SUPERPLASTICIZERS"). 7. ANTIWASHOUT ADMIXTURES 8. EXTENDED SET-CONTROL ADMIXTURES 9. ANTIFREEZE ADMIXTURES 10. SEALERS AND COATINGS 11. HIGH MOLECULAR WEIGHT METHACRYLIC SEALING COMPOUNDS 12. LOW VISCOSITY EPOXY SEALING COMPOUNDS 13. SILANE AND SILOXANE SEALING COMPOUND 14. COATING COMPOUNDS FOR CONCRETE

Download or read book Metakaolin and Fly Ash as Mineral Admixtures for Concrete written by Leonid Dvorkin and published by CRC Press. This book was released on 2021-11-04 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book deals with modern theoretical concepts related to the impact of fly ash and metakaolin admixtures on structure formation processes of concrete. Results of the effect of fly ash, metakaolin and their composition on properties of self-compacting and self-leveling concrete are presented. Based on mathematical models, obtained using mathematical experiments planning methodology, the impact of the main factors and their combination on workability, strength and other properties that determine efficiency and durability of concrete are analyzed. Using calculated dependencies, a methodology for designing optimal compositions of concrete containing active mineral admixtures and superplasticizers is proposed. Features of industrial production of concrete for the proposed compositions are discussed. The book is intended for specialists working in the production of concrete and reinforced concrete products and elements. It can also be used by construction engineers to design compositions of cost-effective self-compacting and self-leveling concrete as well as to determine the rational direction of using technogenic raw materials like ash and metakaolin.

Download or read book Biopolymers and Biotech Admixtures for Eco Efficient Construction Materials written by Fernando Pacheco-Torgal and published by Woodhead Publishing. This book was released on 2016-01-11 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since 1930 more than 100,000 new chemical compounds have been developed and insufficient information exists on the health assessment of 95 percent of these chemicals in which a relevant percentage are used in construction products. For instance Portland cement concrete, the most used material on the Planet (10.000 million tons/year that in the next 40 years will increase around 100 %) currently used in around 15% of total concrete production contains chemicals used to modify their properties, either in the fresh or hardened state. Biopolymers are materials that are developed from natural resources. They reduce dependence on fossil fuels and reduce carbon dioxide emissions. There is a worldwide demand to replace petroleum-based materials with renewable resources. Currently bio-admixtures represent just a small fraction of the chemical admixtures market (around 20%) but with environmental awareness for constituents in construction materials generally growing (the Construction Products Regulation is being enforced in Europe since 2013), the trend towards bio-admixtures is expected to continue. This book provides an updated state-of-the-art review on biopolymers and their influence and use as admixtures in the development of eco-efficient construction materials. Provides essential knowledge for researchers and producers working on the development of biopolymer-modified construction materials Discusses the various types of biopolymers currently available, their different production techniques, their use as bio-admixtures in concretes and mortars and applications in other areas of civil engineering such as soil stability, wood preservation, adhesives and coatings All contributions are made from leading researchers, who have intensive involvement in the design and use of biopolymers in construction materials

Download or read book Investigation of Proprietary Admixtures written by William O. Tynes and published by . This book was released on 1977 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Admixtures for Concrete Improvement of Properties written by E. Vazques and published by CRC Press. This book was released on 2004-11-23 with total page 653 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemical admixtures are used to modify the properties and behaviour of fresh and hardened concrete. They enable more economic construction and the achievement of special properties such as high strength or durability. This book presents new research information from an International RILEM Symposium on six main topics: workability, setting, strength, durability, other properties and technology.

Download or read book Cement and Concrete Mineral Admixtures written by Mustafa Tokyay and published by CRC Press. This book was released on 2016-04-21 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 benef

Download or read book Tests of Air entraining Admixtures written by Waterways Experiment Station (U.S.) and published by . This book was released on 1951 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book PRO 5 International RILEM Conference on The Role of Admixtures in High Performance Concrete written by Joseph G. Cabrera and published by RILEM Publications. This book was released on 1999 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: