Vadim Zhitkovsky's Books

Metakaolin and Fly Ash as Mineral Admixtures for Concrete

By: Leonid Dvorkin,Vadim Zhitkovsky,Nataliya Lushnikova,Yuri Ribakov

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Metakaolin and Fly Ash as Mineral Admixtures for Concrete

By: Leonid Dvorkin,Vadim Zhitkovsky,Nataliya Lushnikova,Yuri Ribakov

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.

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Page Count

248

Publisher

CRC Press

Published Date

ISBN 10

1000477444

ISBN 13

9781000477443

High Performance Concrete Optimal Composition Design

By: Leonid Dvorkin,Vadim Zhitkovsky,Oleh Bordiuzhenko,Yuri Ribakov

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High Performance Concrete Optimal Composition Design

By: Leonid Dvorkin,Vadim Zhitkovsky,Oleh Bordiuzhenko,Yuri Ribakov

Concrete and reinforced concrete remain the main building materials for construction of modern fortifications. The book presents experimental and theoretical results allowing production of special high-strength rapid hardening concrete and fiber reinforced concrete. It describes a method for effective proportioning of high-strength fast-setting concrete and fiber reinforced concrete with high dynamic strength as well as selecting proper technological parameters, methodology for design of reinforced concrete structures using such concrete. Particular attention is paid to ensuring the early strengthening of concrete within 24 hours after casting and to constructing structures with limited energy resources at the site.

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Page Count

213

Publisher

CRC Press

Published Date

ISBN 10

1000962768

ISBN 13

9781000962765

Improving Concrete and Mortar using Modified Ash and Slag Cements

By: Leonid Dvorkin,Vadim Zhitkovsky,Mohammed Sonebi,Vitaliy Marchuk,Yurii Stepasiuk

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Improving Concrete and Mortar using Modified Ash and Slag Cements

By: Leonid Dvorkin,Vadim Zhitkovsky,Mohammed Sonebi,Vitaliy Marchuk,Yurii Stepasiuk

The use of concrete and mortar containing coal fly ash, blast furnace slag, and other dispersed technogenic materials is one of the major areas of potential resource savings and improving the environmental efficiency and sustainability of construction. Improving Concrete and Mortar using Modified Ash and Slag Cements presents the results of a study of high-tech concrete on composite Portland cement and slag Portland cement. It explains the possibility of significantly improving the properties of cements and concrete with the introduction of superplasticizers and hardening activators. Features: Describes how additives can reduce costs and lead to more environmentally sustainable production Explains the possibility of obtaining high-tech concrete with a high content of ash, slag, and clinker kiln dust Presents the possibility of significant reductions of the most energy-intensive component of cements Examines the calculated dependences for predicting the technical properties of concrete saturated with dispersed technogenic products Explains the methods of calculating the composition of concrete with specified properties of low-clinker cements Suitable for civil and structural engineers as well as for specialists working in the field of concrete technology, students of civil engineering, and researchers of new construction technologies, this book allows readers to understand new and sustainable ways to improve the properties of concrete and mortar by utilizing additives.

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Page Count

165

Publisher

CRC Press

Published Date

ISBN 10

1000045277

ISBN 13

9781000045277

Concrete and Mortar Production using Stone Siftings

By: Leonid Dvorkin,Vadim Zhitkovsky,Yuri Ribakov

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Concrete and Mortar Production using Stone Siftings

By: Leonid Dvorkin,Vadim Zhitkovsky,Yuri Ribakov

The monograph analyses the state of the art (problem) in using stone siftings and aspiration dust obtained in natural stone crushing for producing concrete aggregates and fillers for dry construction mixtures and mortars on their basis. The influence of disperse fraction in stone siftings and aspiration dust on structural, mechanical and rheological properties of cement composite construction materials is investigated. Hypothesis for obtaining technological conditions, providing positive effect of the disperse fraction on strength and other properties of cement based concrete and mortar is proposed. Experimental results on studying properties of dry mixtures and mortars on their basis using stone crushing aspiration dust as filler are presented. Efficiency of using fillers, based on igneous rocks, on adhesive and other properties of mortars is demonstrated. Methodology for design of mortars composition for given mortar properties in case, when aspiration dust is used as filler, is proposed. The monograph presents experimental results on fine-grained concrete including as a main filler stone siftings with up to 20% of disperse fraction. It is shown that it is possible to produce fine grain concrete class С20/25...С60/75. Technological parameters of vibro-pressed fine-grained concrete with raw stone siftings are developed. Methodologies for composition design of fine-grained concrete with given workability are proposed. Possibility for producing macroporous light-weight concrete for walls and filtration materials, based on stone siftings fillers is shown.

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