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E-raamat: Improving Concrete and Mortar using Modified Ash and Slag Cements

(National University of Water and Environmental Engineering, Rivne, Ukraine), , , (National University of Water and Environmental Engineering, Rivne, Ukraine),
  • Formaat: 194 pages
  • Ilmumisaeg: 18-Apr-2020
  • Kirjastus: CRC Press
  • Keel: eng
  • ISBN-13: 9781000045253
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Improving Concrete and Mortar using Modified Ash and Slag CementsSuurem pilt
  • Formaat: 194 pages
  • Ilmumisaeg: 18-Apr-2020
  • Kirjastus: CRC Press
  • Keel: eng
  • ISBN-13: 9781000045253
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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.
Preface vii
Authors x
Chapter 1 Composite Ash-Containing Cements and Effective Concrete Based on Them
1(60)
1.1 Fly Ash---An Active Filler of Cement Systems
1(6)
1.2 Pozzolanic Activity, Hydration Feature, and Rheological Properties of Cement-Ash Pastes with Additives Modifiers
7(7)
1.2.1 Pozzolanic Activity
7(2)
1.2.2 Features of Hydration
9(2)
1.2.3 Rheological Properties
11(3)
1.3 Structure Formation and Phase Composition of Ash-Containing Composite Concrete
14(8)
1.3.1 The Initial Structure Formation
14(4)
1.3.2 Phase Composition and Porosity of Cement Stone
18(4)
1.4 Construction and Technical Properties of Modified Ash Composite Cements and Mortars Based on Them
22(18)
1.4.1 Material Composition
22(2)
1.4.2 Properties of Mortar Mixtures
24(9)
1.4.3 Strength Indices of Ash-Containing Composite Cements
33(4)
1.4.4 The Adhesive Properties of Mortars Based on Ash Containing CC
37(3)
1.5 High-Tech Concretes Based on Ash-Containing Composite Cement
40(21)
1.5.1 Properties of Concrete Mixtures
40(4)
1.5.2 The Strength of Concrete
44(8)
1.5.3 Deforming Properties
52(2)
1.5.4 Crack Resistance
54(1)
1.5.5 Water Impermeability
55(1)
1.5.6 Frost Resistance
56(1)
1.5.7 Designing Compositions of High-Tech Concrete
57(1)
1.5.8 Example of Calculating the Composition of Concrete Type HPC
58(3)
Chapter 2 Activated Low Clinker Slag Portland Cement and Concrete on Its Basis
61(66)
2.1 Activation of Slag Binders
61(21)
2.1.1 Methods for Activating Slag Binders
61(3)
2.1.2 Activation of the Low Clinker Slag Portland Cement (LSC)
64(8)
2.1.3 Integrated Methods of Activation of LSC
72(5)
2.1.4 Features of Hydration and Structure Formation of the LSC
77(5)
2.2 Normal-Weight Concretes Based on Activated LSC
82(16)
2.2.1 Calculation Example
89(3)
2.2.2 Foam Concrete
92(4)
2.2.3 Vibropressed Sawdust Concrete
96(2)
2.3 Fiber-Rein forced Concrete Based on Activated LSC
98(8)
2.3.1 Fiber Concrete at LSC
98(5)
2.3.2 Calculation Example
103(3)
2.4 Frost Resistance of Concrete and Fiber-Reinforced Concrete and Corrosion Resistance in Concrete at LSC
106(8)
2.4.1 Frost Resistance of Concrete and Fiber-Reinforced Concrete Made Based on LSC
106(2)
2.4.2 Corrosion Resistance in Concrete at LSC
108(6)
2.5 Dry Building Mixes and Mortars Based on Activated LSC
114(13)
2.5.1 Dry Mixes for Masonry Mortars
114(4)
2.5.2 Calculation Example
118(3)
2.5.3 Dry Mixes for Porous Masonry Mortars
121(1)
2.5.4 Dry Mixes for Self-leveling Floors
122(5)
Chapter 3 Dry Construction Mixtures and Mortars Based on Them Using the Dust of Clinker-Burning Furnaces
127(46)
3.1 Clinker Kiln Dust Is an Active Component of Cementitious Systems
127(4)
3.2 Rheological and Structural-Mechanical Properties of Water Pastes of Dust-Slag-Superplasticizer and Dust-Slag-Cement-Superplasticizer Systems
131(15)
3.3 Technological Parameters of Obtaining Composite Cement-Dust-Slag Binders of Low Water Demand
146(10)
3.4 Dry Mixes and Mortars Based on Dust Slag Binders
156(17)
References 173(8)
Index 181
Professor Dr Leonid Dvorkin - Full Professor and Head of Department, National University of Water and Environmental Engineering (Ukraine). Author of many books and tutorials devoted to actual problems of concrete and binding technology. Published many papers and presented lectures at national and international conferences on construction materials.

Dr Vadim Zhitkovsky Associate Professor, National University of Water and Environmental Engineering (Ukraine). Published 4 monographs, 6 textbooks, about 100 papers in scientific journals, edited books and conference proceedings.

Dr Mohammed Sonebi - Senior Lecturer and Director of Research of Environment Change and Resilience Cluster, Queens University of Belfast. He authored/co-authored more than 220 peer-review journal and conference papers and 25 books/chapters with high citations.

Dr Vitaliy Marchuk - Senior Lecturer, National University of Water and Environmental Engineering (Ukraine). Research interests: technology of concrete, mortars and dry mixes, concrete mix use of industrial waste and industrial products in the production of building materials.

Dr Yurii Stepasiuk - Senior Lecturer, National University of Water and Environmental Engineering (Ukraine). Research interests: technology of concrete, concrete and mortars made on low clinker slag Portland cemets, design of concrete with a set of specified properties
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