High-Tech Concrete Materials: Design, Preparation, and Applications [Kõva köide]

About the Authors ix

Preface xi

1 Introduction 1

1.1 Overview 1

1.2 Brief History of High-tech Concrete Development 2

1.2.1 Ordinary Concrete 2

1.2.2 High-strength Concrete 4

1.2.3 High-performance Concrete 5

1.2.4 Ultra-high-strength Concrete 5

1.2.5 Ultra-high-performance Concrete 8

1.2.6 High-performance Composite Structural Concrete and Innovative
Functional Concrete 9

1.3 Challenges and Opportunities for Concrete Materials 10

1.4 Technical Characteristics and Research Content of High-tech Concrete 11

References 13

2 Cementitious Material for High-tech Concrete 17

2.1 Characteristics of High-tech Concrete 17

2.2 Types of Cementitious Materials for High-tech Concrete 19

2.2.1 Cement 19

2.2.2 Supplementary Cementitious Materials 19

2.3 Mechanism and Properties of Cementitious Materials for High-tech
Concrete 27

2.3.1 Mechanism and Properties of Single-component Supplementary
Cementitious Material 27

2.3.2 Mechanism and Properties of Two-component Supplementary Cementitious
Material 37

2.3.3 Mechanism and Performance of Multi-component Supplementary
Cementitious Materials 48

2.4 Prospects for Design and Development of Composite Cementitious Materials
54

References 56

3 Functional Materials for High-tech Concrete 59

3.1 Concrete Admixtures 59

3.1.1 Types of Concrete Admixtures 60

3.1.2 The Functionalization Principle of Concrete Admixtures 61

3.1.3 The Main Types of Expansive Agents and the Mechanism of Action in
Concrete 61

3.1.4 Design and Preparation of High-energy Blended Expansive Agent 66

3.2 Polymer Materials 67

3.2.1 Types of Polymers 67

3.2.2 Role of Polymers 68

3.3 Fiber Material 74

3.3.1 Types and Characteristics of Fibers 74

3.3.2 The Role of Fibers 76

3.4 Ultra-fine Powder 77

3.4.1 Commonly Used Ultra-fine Powder 77

3.4.2 The Role of Ultra-fine Powder 78

3.5 Nano-seeds 81

3.5.1 Nano-seeds and Their Mechanism of Action 81

3.5.2 Preparation of C-S-H Nano-seeding 82

3.5.3 Influence of C-S-H Seeding on the Hydration Process of Cementitious
Materials 83

3.6 Internal Curing Functional Materials 85

3.6.1 Overview of Internal Curing 85

3.6.2 Organic Superabsorbent Polymer Materials 86

3.6.3 Inorganic Water-releasing Materials 95

3.7 Functional Aggregates 101

3.7.1 The Role of Functional Aggregates 103

3.7.2 Design and Preparation of Functional Aggregates 105

3.7.3 Research and Development of Functional Aggregates 107

References 115

4 Ultra-high-strength Concrete 119

4.1 Macro-defect Free Cement 119

4.1.1 Formulation Principles and Preparation Process 119

4.1.2 Performance, Development, and Application Potential 121

4.2 Densified System of Homogeneously Arranged Ultra-fine Particles 122

4.2.1 Formulation Principles and Preparation Process 122

4.2.2 Performance and Prospects for Development and Application 123

4.3 Compact Reinforced Composite 124

4.3.1 Formulation Principles and Preparation Process 124

4.3.2 Performance and Prospects for Development and Application 125

4.4 Reactive Powder Concrete 127

4.4.1 Formulation Principles and Preparation Process 127

4.4.2 Performance and Prospects for Development and Application 129

4.5 Reinforcement Mechanism of Ultra-high-strength Cementitious Composite
131

4.5.1 Composition and Structural Characteristics of Ultra-High-strength
Cementitious Material with a Low Waterbinder Ratio 132

4.5.2 Factors Affecting the Strength of Ultra-high-strength Cementitious
Material with a Low Waterbinder Ratio 134

4.5.3 Reinforcement Mechanism of Ultra-high-strength Cementitious Material
135

References 137

5 Ultra-high-performance Concrete 141

5.1 Overview of Ultra-high-performance Concrete 141

5.2 Design of Ultra-high-performance Concrete 144

5.2.1 Guidelines for the Preparation of Ultra-high-performance Concrete 144

5.2.2 Design Method for Ultra-high-performance Concrete Material System
Based on Response Surface Methodology 145

5.3 Physical and Mechanical Properties 155

5.3.1 Workability 155

5.3.2 Hydration and Microstructure Evolution 158

5.3.3 Mechanical Properties 164

5.4 Volumetric Stability 169

5.4.1 Shrinkage Characteristics 170

5.4.2 Shrinkage Mechanism 171

5.4.3 Effect of Steel Fibers on Autogenous Shrinkage 175

5.4.4 Effect of Internal Curing on Shrinkage 179

5.5 Durability Properties 183

5.5.1 Freezethaw Durability 183

5.5.2 Resistance to Sulfate Attack 186

5.5.3 Resistant to Chloride Ion Penetration 190

5.6 Novel Ultra-high-performance Concrete 190

5.6.1 Green Ultra-high-performance Concrete 191

5.6.2 Lightweight Ultra-high-performance Concrete 195

5.7 Application of Ultra-high-performance Concrete 199

5.7.1 Ultra-high-performance Concrete for Municipal Solid Waste
Pre-treatment Plants 199

5.7.2 Pumpable Lightweight Ultra-high-performance Concrete for Steel Bridge
Deck Pavement 202

References 203

6 High-performance Composite Structural Concrete 207

6.1 Concrete-filled Steel Tubes Composite Material 207

6.1.1 Overview 207

6.1.2 Design and Control of Concrete-filled Steel Tube Expansion Properties
209

6.1.3 Design of Cementitious Material Composition Matching 217

6.1.4 Engineering Application of Concrete-filled Steel Tubes in Large-span
Arch Bridges 224

6.2 Steel-concrete/Asphalt Composite Bridge Deck Paving Structural Materials
234

6.2.1 Overview 234

6.2.2 Design of a New Type of Steel Box Girder Pavement Structure 236

6.2.3 Design and Performance of Pavement Materials and Structures 249

6.2.4 Construction Technology and Engineering Application of Steel Bridge
Deck Pavement 255

6.3 Composite Materials for Structural/Functional Tunnel Concrete 264

6.3.1 Overview 264

6.3.2 Structural Design of Tunnel Concrete Segment and Lining 266

6.3.3 Properties of Concrete Segment 275

6.3.4 Preparation and Engineering Application of Functional Composite
Concrete Segment 283

6.4 High-strength Lightweight Aggregate Concrete 296

6.4.1 Overview 296

6.4.2 Key Technologies for the Design and Preparation of High-strength
Lightweight Aggregate Concrete 299

6.4.3 High-performance Lightweight Aggregate Concrete Performance Design and
Modification Technology 307

6.4.4 Design and Preparation Techniques for Lightweight Aggregate Concrete
Structures and Elements 312

6.4.5 Construction and Application Technology of High-strength Lightweight
Aggregate Concrete 322

References 330

7 Novel Functional Concrete Technologies 339

7.1 Recyclable Cement Concrete 339

7.1.1 Overview 339

7.1.2 Design Concepts for Recyclable Cement Concrete 340

7.1.3 Properties of Recyclable Cement Concrete 341

7.2 Resin Aggregate Concrete 344

7.2.1 Overview 344

7.2.2 Design Principle for Resin Aggregate Concrete 345

7.2.3 Characterization of Resin Aggregate Concrete 347

7.2.4 Development Trends of Resin Aggregate Concrete 352

7.3 CO2 -driven 3D Printing Concrete 353

7.3.1 Overview of CO2 -driven 3D Printing Concrete 353

7.3.2 Preparation of CO2 -driven 3D Printing Concrete 354

7.3.3 Performance of CO2 -driven 3D Printing Concrete 355

7.3.4 Trends in 3D-printed Concrete 360

References 361

Index 363

Fazhou Wang is Professor of Materials Science and Director of the State Key Laboratory of Silicate Materials for Architectures at Wuhan University of Technology, China. His research focuses on high-performance cement-based materials and their engineering applications. He has received two National Science and Technology Progress Awards and multiple provincial-level awards.



Shuguang Hu is Chief Professor of Materials Science at Wuhan University of Technology, China. Formerly Dean of the School of Materials Science and Engineering and Deputy Director of the State Key Laboratory of Silicate Building Materials, he has led teaching and research in advanced cement-based materials for 40 years. His work has earned numerous national awards, including the National Technological Invention Award and multiple National Science and Technology Progress Awards.