Mix Proportioning of Concrete Containing Fly Ash for Highway Applications PDF Download
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Author: Peggy M. Carrasquillo
Publisher:
ISBN:
Category : Fly ash
Languages : en
Pages : 49
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Book Description
Author: Peggy M. Carrasquillo
Publisher:
ISBN:
Category : Fly ash
Languages : en
Pages : 49
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Book Description
Author: Louis G. Archuleta
Publisher:
ISBN:
Category : Concrete
Languages : en
Pages : 168
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Book Description
Author: Woodrow J. Halstead
Publisher: Transportation Research Board National Research
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 82
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Book Description
This synthesis summarizes available information concerning the use of fly ash in hydraulic-cement concrete, and attempts to establish consensus concerning a number of applications relating to highway construction. Fly ash marketing procedures are briefly reviewed, and the amount of fly ash now being used is summarized. The results are reported of a questionnaire survey of the status of the use of fly ash concrete (FAC) in each state of the U.S. and the provinces of Canada. There is an increase in FAC use since 1980. This trend is aided by the development of a flyash industry. Trends also indicate a developing technology that will be oriented around performance of the hydraulic cement concrete. Currently, most states view the proportioning of of FAC from the standpoint of the amount of portland cement to be replaced by the fly ash and have maximum replacement limits. It has been noted that the same fly ash with different cements may react differently and develop different early and ultimate strengths. The need is emphasized for preliminary tests to establish optimum proportioning of ingredients in the concrete using materials from the sources to be supplied to the job.
Author: Woodrow J. Halstead
Publisher:
ISBN:
Category : Cement
Languages : en
Pages : 46
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Book Description
This report is essentially a synthesis of pertinent information concerning the use of fly ash as an ingredient in concrete for highway construction. It has been prepared to provide a basis for an adequate response by the Department of Highways and Transportation to requirements of the Resource Conservation and Recovery Act and the Environmental Protection Agency pertaining to the use of this by-product in concrete purchased with federal funds. Special attention is given to the quality control and acceptance problems associated with highway usage of fly ash concrete, with emphasis on problems relating to air entrainment. References to the background literature that established the suitability of fly ash as a pozzolan and its use in concrete are The requirements for fly ash as set forth in ASTM Specification C618 are reviewed and the- characteristics to be expected from concrete containing fly ash are discussed. It is recommended that the Virginia Department of Highways and Transportation permit the use of fly ash in concrete at the option of the contractor with prior approval by the state. It is also recommended that suitable specifications for this use be prepared following the guidelines previously recommended by the Concrete Research Advisory Committee.
Author: E. E. Berry
Publisher: Energy, Mines and Resources Canada : CANMET, Canadian Centre for Mineral and Energy Technology
ISBN:
Category : Concrete
Languages : en
Pages : 206
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Book Description
This volume presents a state-of-the-art review of the principaladvances in research, development, and practical application offly ash in concrete that have been made during the period 1976to 1984. Recommendations are made with regard to aspects of flyash concrete technology requiring further research.
Author: J. Paul Guyer, P.E., R.A.
Publisher: Guyer Partners
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 26
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Book Description
Introductory technical guidance for civil engineers interested in fly ash in portland cement concrete pavement for streets and highways. Here is what is discussed: 1. FLY ASH AS AN ENGINEERING MATERIAL 2. HIGHWAY APPLICATIONS 3. FLY ASH IN PORTLAND CEMENT CONCRETE.
Author:
Publisher:
ISBN:
Category : Power resources
Languages : en
Pages : 872
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Book Description
Author: American Coal Ash Association
Publisher:
ISBN:
Category : Coal
Languages : en
Pages : 92
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Book Description
Coal fly ash is a coal combustion product that has numerous applications in highway construction. Since the first edition of "Fly Ash Facts for Highway Engineers" in 1986, the use of fly ash in highway construction has increased and new applications have been developed. This document provides basic technical information about the various uses of fly ash in highway construction that advances its use in ways that are technically sound, commercially competitive and environmentally safe.
Author: K. Wesche
Publisher: CRC Press
ISBN: 0203626419
Category : Architecture
Languages : en
Pages : 298
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Book Description
This book is a state-of-the-art report which documents current knowledge on the properties of fly ash in concrete and the use of fly ash in construction. It includes RILEM Recommendations on fly ash in concrete and a comprehensive bibliography including over 800 references.
Author: Dietmar Lutze
Publisher: Verlag Bau+Technik
ISBN: 3764005378
Category : Technology & Engineering
Languages : en
Pages : 176
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Book Description
When used as an addition and binder component, fly ash has become an indispensable construction material for many concrete applications. The conditions produced in power stations when firing fine pulverized coal result in the formation of a reactive, flour-fine, pozzolanic mineral material from the accompanying rock in the coal. Owing to its specific characteristics it has a positive impact on the properties of fresh and hardened concrete and facilitates cost-effective production of high-grade, durable concretes. The authors of this handbook have combined the latest discoveries from the field of research with practical experience of the use and effects of fly ash in concrete. This handbook provides the necessary information and makes interesting suggestions for selective use of fly ash in concrete.
