Physical And Chemical Properties Of Cement And Aggregate In Concrete
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Physical And Chemical Properties Of Cement And Aggregate In Concrete
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Author : National Research Council (U.S.). Highway Research Board
language : en
Publisher:
Release Date : 1960
Physical And Chemical Properties Of Cement And Aggregate In Concrete written by National Research Council (U.S.). Highway Research Board and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with Aggregates (Building materials) categories.
Paper 1: The pore-size distribution present in some carbonate rocks was determined as part of an investigation concerned with the properties of aggregate which affect the durability of portland cement concrete. Paper 2: 52 concrete aggregates were evaluated by means of the rapid chemical test for potential alkali-aggregate reactivity and the results generally showed good correlation with the data obtained in the mortar bar tests. Paper 3: It is demonstrated that the types of carbonate aggregate from the cedar valley formation in Iowa which have been classed as acceptable or unacceptable on the basis of service records, can also be differentiated on the basis of their reactivity with silica and/or fluoride in aqueous solution. Paper 4: Mixtures of calcium hydroxide, pozzolan, and water were reacted at 100 F for 1 to 6 months, and the reaction products were examined by x-ray diffraction and thermal analysis.
Aggregates In Concrete
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Author : Mark Alexander
language : en
Publisher: CRC Press
Release Date : 2010-02-25
Aggregates In Concrete written by Mark Alexander and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-02-25 with Technology & Engineering categories.
Bringing together in one volume the latest research and information, this book provides a detailed guide to the selection and use of aggregates in concrete. After an introduction defining the purpose and role of aggregates in concrete, the authors present an overview of aggregate sources and production techniques, followed by a detailed study of their physical, mechanical and chemical properties. This knowledge is then applied to the use of aggregates in both plastic and hardened concretes, and in the overall mix design. Special aggregates and their applications are discussed in detail, as are the current main specifications, standards and tests.
Properties Of Concrete
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Author : Adam M. Neville
language : en
Publisher: Prentice Hall
Release Date : 2011
Properties Of Concrete written by Adam M. Neville and has been published by Prentice Hall this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Concrete categories.
Properties of Concrete, first published in 1963, has been internationally acclaimed as the definitive work of reference on the subject for both the professional and the student engineer. The fifth edition has been updated to reflect advances in concrete technology over the past decade, yet it still retains the original aim: to provide reliable, comprehensive and practical information on the properties and use of concrete, and the selection of mix proportions all based on scientific observations and the author's extensive engineering experience. The emphasis is on understanding the behaviour of concrete and relating it to physical and chemical phenomena involved in its performance in service, so that the reader to achieve the best possible construction in concrete. Also, the scientific basis of the information provided is invaluable in planning research and in the interpretation of test results.
Lea S Chemistry Of Cement And Concrete
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Author : Peter Hewlett
language : en
Publisher: Elsevier
Release Date : 2003-11-12
Lea S Chemistry Of Cement And Concrete written by Peter Hewlett and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-11-12 with Technology & Engineering categories.
Lea's Chemistry of Cement and Concrete deals with the chemical and physical properties of cements and concretes and their relation to the practical problems that arise in manufacture and use. As such it is addressed not only to the chemist and those concerned with the science and technology of silicate materials, but also to those interested in the use of concrete in building and civil engineering construction. Much attention is given to the suitability of materials, to the conditions under which concrete can excel and those where it may deteriorate and to the precautionary or remedial measures that can be adopted. First published in 1935, this is the fourth edition and the first to appear since the death of Sir Frederick Lea, the original author. Over the life of the first three editions, this book has become the authority on its subject. The fourth edition is edited by Professor Peter C. Hewlett, Director of the British Board of Agrement and visiting Industrial Professor in the Department of Civil Engineering at the University of Dundee. Professor Hewlett has brought together a distinguished body of international contributors to produce an edition which is a worthy successor to the previous editions.
Lightweight Aggregate Concrete
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Author : Satish Chandra
language : en
Publisher: Elsevier
Release Date : 2002-10-28
Lightweight Aggregate Concrete written by Satish Chandra and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-10-28 with Technology & Engineering categories.
In spite of the increasing use and demand for lightweight aggregate concrete (LWAC), there is still a lack of adequate explanations to understand the mechanisms responsible for the strength and durability properties of LWAC. This book is written to give an overall picture of LWAC, from the historical background, aggregate production, proportioning and production of concrete, to applications in structures. Physical properties and chemical durability are described in detail. The physical properties include density, strength, shrinkage, and elasticity. Chemical durability includes resistance to acids, chloride ingress, carbonation, and freeze-thaw resistance. Fire resistance is also included, which is seldom considered, but is a very important aspect of the safety of the structure. Microstructure development and its relation to the durability properties of LWAC generally are not highlighted in the literature. The development of bonds, the microstructure with different binder systems, and different types of lightweight aggregates are explained. They show how lightweight aggregate concrete differs from normal weight concrete. The chapters on chloride ingress and freeze-thaw resistance are detailed because of the use of LWAC in offshore construction. The economical aspects of using LWAC are also reviewed. Emphasis is placed on the fact that although the cost of LWAC is high, the total cost of construction has to be considered, including the cost of transport, reinforcement, etc. When these are considered then LWAC becomes cheaper and attractive. The life cycle cost of the concrete is another consideration for calculating long-term savings on maintenance costs.
Significance Of Tests And Properties Of Concrete And Concrete Making Materials
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Author : Walter H. Price
language : en
Publisher:
Release Date : 1966
Significance Of Tests And Properties Of Concrete And Concrete Making Materials written by Walter H. Price and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Steel categories.
Primary functions of the American Society for Testing and Materials are the fostering of research on the effect of physical and chemical properties of materials upon end uses, the establishing of procedures by which significant properties can be evaluated with adequate accuracy and precision, and the fixing of limiting criteria that define the acceptability of materials for specific uses. Although these objectives are simple in principle, they usually are impossible of exact realization in practice for many reasons. For example, data and theory effecting a general correlation of a property with performance of the material in an end use frequently do not exist. Commonly, appropriate methods of testing have not been developed, or cost of labor or facilities or the required time of testing may render infeasible their application to selection and control of materials. Consequently, most methods of test that are employed for control and evaluation of technical materials are compromises in that they may not measure uniquely with accuracy the properties essential to adequate performance of the material. Rather, the practical tests commonly only generally reflect the qualities of the material, and, moreover, the test may be applicable at all only under a limited range of conditions or to only certain types of materials from among materials that can be considered to be alternatives in the selection for specific uses. In addition, the specified limits typically are established on the basis of test data that may not be generally applicable or on the basis of experience that does not cover important types or kinds of service or performance. Hence, general specifications may require modification before they can be applied appropriately to specific work.
Physical Properties Of Concrete And Concrete Constituents
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Author : Jean-Pierre Ollivier
language : en
Publisher: John Wiley & Sons
Release Date : 2012-12-17
Physical Properties Of Concrete And Concrete Constituents written by Jean-Pierre Ollivier and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-17 with Technology & Engineering categories.
Understanding the rheological properties of fresh concrete, the hydration phenomenon of cement responsible for structuration, the relationship between the characteristics of the porous solid obtained and its mechanical performances or resistance to the aggressive penetration requires a complex knowledge of the physicochemistry of reactive porous materials. The development of simple formulation rules therefore requires the assimilation of this knowledge and a good command of the properties of these materials. The purpose of this book is to provide the mix designer with useful knowledge on granular materials and porous materials, which will enable the innovative design of concrete. Topics covered include the characterization of granular materials, the concepts of porosity and specific surface area, and the transport properties (diffusion and permeation) of concrete. Some of these topics are already covered in other general books dedicated to granular or porous materials. The objective here is to bring them together in one book by adapting them for use by concrete specialists. Applications in the form of exercises are offered at the end of each chapter to enable readers to assimilate the theoretical knowledge and to apply such knowledge to concrete problems encountered in civil engineering. Contents 1. Description of Granular Materials, Definitions. 2. Granulometry. 3. Specific Surface Area of Materials. 4. Voids in Granular Materials and the Arrangement of Grains. 5. Voids in Concrete. 6. The Fundamentals of Diffusion. 7. Permeability.
Concrete Materials
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Author : Sandor Popovics
language : en
Publisher: William Andrew
Release Date : 2012-12-02
Concrete Materials written by Sandor Popovics and has been published by William Andrew this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Technology & Engineering categories.
This book presents an in-depth approach to concrete ingredients and their relationships to concrete by discussing their properties, pertinent test methods, specifications, proper use and selection, and solutions to problems in practice. The approach is practice oriented, and the book assists in the improved application of concrete through a thorough understanding of its ingredients. This is aided by the discussion of certain fundamental aspects and relationships in quantitative forms, and by also presenting the interpretation of research and experience. An extensive bibliography is included.The book is a current, organized summary of knowledge concerning concrete-making materials, which will enable the engineer/user to make the best possible product using these materials.
Chemical Admixtures For Concrete
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Author : Ameer A. Hilal
language : en
Publisher:
Release Date : 2018-06
Chemical Admixtures For Concrete written by Ameer A. Hilal and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06 with categories.
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.
Portland Cement
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Author : G. C. Bye
language : en
Publisher: Thomas Telford
Release Date : 1999
Portland Cement written by G. C. Bye and has been published by Thomas Telford this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Portland cement categories.
Portland cement is one of the most traditional of construction materials. Rising costs of the energy required for its manufacture and the increasing interest in understanding the mechanisms of concrete deterioration, as well as the importance of optimising the use of Portland cement in high quality concrete, have continued to sustain interest in this important material. This second edition of this popular book provides an up-to-date introduction to the raw materials and manufacturing processes of Portland cement. It gives an introductory account of cement composition, manufacture, quality assessment, hydration and the resulting microstructure-physical property relationships, and some mechanisms of the chemical degradation of hardened cement paste. The book is primarily intended for students of materials sciences and graduates in pure science or engineering entering the cement or concrete industries. However anyone requiring a good clear introduction to this material will find this book provides helpful information.