Air Entraining Admixtures

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Concrete Admixtures Handbook

Author : V.S. Ramachandran
Publisher : William Andrew
ISBN 13 : 0815516541
Total Pages : 1183 pages
Book Rating : 4.8/5 (155 download)

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Book Synopsis Concrete Admixtures Handbook by : V.S. Ramachandran

Download or read book Concrete Admixtures Handbook 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.

Science and Technology of Concrete Admixtures

Author : Pierre-Claude Aïtcin
Publisher : Woodhead Publishing
ISBN 13 : 0081006969
Total Pages : 668 pages
Book Rating : 4.0/5 (81 download)

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Book Synopsis Science and Technology of Concrete Admixtures by : Pierre-Claude Aïtcin

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 668 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

Evaluating Air-entraining Admixtures for Highway Concrete

Author : Mohamad Nagi
Publisher : Transportation Research Board
ISBN 13 : 0309098890
Total Pages : 60 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Evaluating Air-entraining Admixtures for Highway Concrete by : Mohamad Nagi

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].

Concrete Admixtures

Author : V.H. Dodson
Publisher : Springer Science & Business Media
ISBN 13 : 1475748434
Total Pages : 218 pages
Book Rating : 4.4/5 (757 download)

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Book Synopsis Concrete Admixtures by : V.H. Dodson

Download or read book Concrete Admixtures written by V.H. Dodson and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Chemical Admixtures for Concrete

Author : Sandra Senft
Publisher : CRC Press
ISBN 13 : 0203017242
Total Pages : 456 pages
Book Rating : 4.2/5 (3 download)

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Book Synopsis Chemical Admixtures for Concrete by : Sandra Senft

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

Proceedings of SECON 2020

Author : Kaustubh Dasgupta
Publisher : Springer Nature
ISBN 13 : 3030551156
Total Pages : 959 pages
Book Rating : 4.0/5 (35 download)

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Book Synopsis Proceedings of SECON 2020 by : Kaustubh Dasgupta

Download or read book Proceedings of SECON 2020 written by Kaustubh Dasgupta and published by Springer Nature. This book was released on 2020-11-20 with total page 959 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers peer-reviewed contributions presented at the 1st International Conference on Structural Engineering and Construction Management (SECON’20), held in Angamaly, Kerala, India, on 14-15 May 2020. The meeting served as a fertile platform for discussion, sharing sound knowledge and introducing novel ideas on issues related to sustainable construction and design for the future. The respective contributions address various aspects of numerical modeling and simulation in structural engineering, structural dynamics and earthquake engineering, advanced analysis and design of foundations, BIM, building energy management, and technical project management. Accordingly, the book offers a valuable, up-to-date tool and essential overview of the subject for scientists and practitioners alike, and will inspire further investigations and research.

Admixtures in Concrete

Author : National Research Council (U.S.). Highway Research Board. Committee on Chemical Additions and Admixtures for Concrete
Publisher :
ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.:/5 (359 download)

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Book Synopsis Admixtures in Concrete by : National Research Council (U.S.). Highway Research Board. Committee on Chemical Additions and Admixtures for Concrete

Download or read book Admixtures in Concrete written by National Research Council (U.S.). Highway Research Board. Committee on Chemical Additions and Admixtures for Concrete and published by . This book was released on 1971 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: An admixture is any material other than water, aggregates, and hydraulic cement that is used as an ingredient of a concrete or mortar mixture and added to the batch immediately before or during mixing. 4 types of admixtures are discussed: (1) accelerators, the most common of which is calcium chloride; (2) air-entraining, to protect the concrete against the damage it may suffer if the paste becomes saturated with water and then freezes; (3) retarders and water reducers, which extend setting time 30 to 50 percent to compensate for placement temperatures, to avoid cold joints, or to avoid undesirable effects of displacements and deflections; and (4) pozzolans, which react with hydroxides to form compounds with cementitious properties, and usually produce a lower cost concrete.

Advanced Concrete Technology 4

Author : John Newman
Publisher : Elsevier
ISBN 13 : 0080489990
Total Pages : 317 pages
Book Rating : 4.0/5 (84 download)

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Book Synopsis Advanced Concrete Technology 4 by : John Newman

Download or read book Advanced Concrete Technology 4 written by John Newman and published by Elsevier. This book was released on 2003-08-21 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on the Institute of Concrete Technology's Advanced Concrete Technology Course, these four volumes are a comprehensive educational and reference resource for the concrete materials technologist. An expert international team of authors from research, academia and industry has been brought together to produce this unique series. Each volume deals with a different aspect of the subject: constituent materials, properties, processes and testing and quality. With worked examples, case studies and illustrations throughout, the books will be a key reference for the concrete specialist for years to come. - Expert international authorship ensures the series is authoritative - Case studies and worked examples help the reader apply their knowledge to practice - Comprehensive coverage of the subject gives the reader all the necessary reference material

Tests of Air-entraining Admixtures

Author : Waterways Experiment Station (U.S.)
Publisher :
ISBN 13 :
Total Pages : 38 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Tests of Air-entraining Admixtures by : Waterways Experiment Station (U.S.)

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:

Methods for Evaluating Fly Ash for Use in Highway Concrete

Author : Lawrence L. Sutter
Publisher : Transportation Research Board
ISBN 13 : 0309283558
Total Pages : 91 pages
Book Rating : 4.3/5 (92 download)

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Book Synopsis Methods for Evaluating Fly Ash for Use in Highway Concrete by : Lawrence L. Sutter

Download or read book Methods for Evaluating Fly Ash for Use in Highway Concrete written by Lawrence L. Sutter and published by Transportation Research Board. This book was released on 2013 with total page 91 pages. Available in PDF, EPUB and Kindle. Book excerpt: "TRB's National Cooperative Highway Research Program (NCHRP) 749: Methods for Evaluating Fly Ash for Use in Highway Concrete presents suggested changes to coal fly ash specifications and test protocols contained in American Association of State Highway and Transportation Officials (AASHTO) Standard Specifications for Transportation Materials and Methods of Sampling and Testing (AASHTO M 295). The changes suggested include modifications to the test methods currently specified for evaluating acceptability of fly ash for use in highway concrete as well as the introduction of new test methods for enhancing such evaluations. Attachment C: Details of the Research into Methods for Evaluating Fly Ash Use in Highway Concrete is only available online."--Publisher description.

Design of Reinforced Concrete

Author : Jack C. McCormac
Publisher :
ISBN 13 :
Total Pages : 744 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Design of Reinforced Concrete by : Jack C. McCormac

Download or read book Design of Reinforced Concrete written by Jack C. McCormac and published by . This book was released on 2005 with total page 744 pages. Available in PDF, EPUB and Kindle. Book excerpt: Publisher Description

Durability of Concrete and Cement Composites

Author : Chris L. Page
Publisher : Elsevier
ISBN 13 : 1845693396
Total Pages : 415 pages
Book Rating : 4.8/5 (456 download)

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Book Synopsis Durability of Concrete and Cement Composites by : Chris L. Page

Download or read book Durability of Concrete and Cement Composites written by Chris L. Page and published by Elsevier. This book was released on 2007-06-30 with total page 415 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 Properties of Fresh Concrete

Author : Treval C. Powers
Publisher : John Wiley & Sons
ISBN 13 :
Total Pages : 696 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis The Properties of Fresh Concrete by : Treval C. Powers

Download or read book The Properties of Fresh Concrete written by Treval C. Powers and published by John Wiley & Sons. This book was released on 1968 with total page 696 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Field Study of Air Content Stability in the Slipform Paving Process

Author :
Publisher :
ISBN 13 :
Total Pages : 230 pages
Book Rating : 4.:/5 (891 download)

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Book Synopsis Field Study of Air Content Stability in the Slipform Paving Process by :

Download or read book Field Study of Air Content Stability in the Slipform Paving Process written by and published by . This book was released on 2012 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study evaluated the impacts of construction on the air content and air-void system structure of Portland cement concrete pavements. The primary intent was to quantify the air content of fresh concrete before and after it has gone through the slipform paver. The air-void system parameters of hardened concrete were then assessed using cast and extracted core specimens. The results of the air content testing on fresh concrete and the concrete cylinder specimens cast in the field suggested that there is some loss of air as the concrete passes through the paver. Laboratory testing performed on cores extracted from the pavement did not provide any conclusive evidence that entrained air is lost during the slipform paving process. In fact, many of the extracted cores had measured air content values that were much higher than the specification requirement. If excessive, this could result in increased permeability and low-strength related issues. Although a rigorous statistical analysis was not performed, the results suggest that the air content testing on fresh concrete is not capturing the true air content of the concrete placed with a slipform paver. The fresh concrete air content is generally lower than the air content measured in the cores.

Design and Control of Concrete Mixtures

Author : Steven H. Kosmatka
Publisher :
ISBN 13 :
Total Pages : 224 pages
Book Rating : 4.X/5 (6 download)

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Book Synopsis Design and Control of Concrete Mixtures by : Steven H. Kosmatka

Download or read book Design and Control of Concrete Mixtures written by Steven H. Kosmatka and published by . This book was released on 1988 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: Portland Cement Association reference, dealing with fundamentals, cold weather concreting, curing, admixtures, aggregates, mixing, and much more.

Self-Compacting Concrete: Materials, Properties and Applications

Author : Rafat Siddique
Publisher : Woodhead Publishing
ISBN 13 : 012817370X
Total Pages : 410 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Self-Compacting Concrete: Materials, Properties and Applications by : Rafat Siddique

Download or read book Self-Compacting Concrete: Materials, Properties and Applications written by Rafat Siddique and published by Woodhead Publishing. This book was released on 2019-11-19 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

Chemical Admixtures for Concrete

Author : Ameer A. Hilal
Publisher :
ISBN 13 : 9781681179957
Total Pages : 296 pages
Book Rating : 4.1/5 (799 download)

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Book Synopsis Chemical Admixtures for Concrete by : Ameer A. Hilal

Download or read book Chemical Admixtures for Concrete written by Ameer A. Hilal and published by . This book was released on 2018-06 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: Concrete, a construction material, is widely used because of its excellent properties such as durability, workability, satisfactory strength, and the easy availability of raw materials (cement, aggregates, and water), which are used to produce it. In recent years, the demand for ready-mix concrete (RMC) has increased rapidly. The primary reasons behind this are convenience of using RMC in high-rise structures, shortage of space at construction site, saving of time related to the preparation of concrete on-site, and better quality of RMC compared to the conventional concrete. To produce a concrete with specific requirements such as high performance concrete (HPC), additives and admixtures are added to raw materials of normal concrete to improve some properties by pozzolanic and physical actions. Nowadays, the concrete admixtures are widely used in the construction projects. The main types of chemical admixtures can be summarized as plasticizers, accelerating/retarding agents, air entraining agents, waterproofing additives and others such as corrosion inhibitors and coloring agents etc. The benefits derived from the use of chemical admixtures include improved durability, strength, chemical resistance, coloring, reduction in water and cement requirement and enhanced working properties of concrete. These admixtures improve the concrete microstructure by making it denser, more homogeneous, and uniform, leading to enhance its properties such as strength and durability compared to the plain mix. Chemical Admixtures for Concrete covers the theory and real world cases to understand the effects of different types of chemical admixture on properties of concrete. Effects of different chemical admixtures on fresh and hardened properties of prolonged mixed concrete and their cost-effectiveness were investigated. Influence of sand to aggregate volume ratio, cement content, and use of chilled mixing water on the properties of prolonged mixed concrete was studied as well. Presenting information on the materials, hydration, and the strength and durability of cement and concrete with mineral admixtures; this book will appeal to practicing engineers and students alike.