Nanomaterials in Concrete

Advances in Protection, Repair, and Upgrade

Henry E. Cardenas, Ph.D., Louisiana Tech University

978-1-60595-050-1, ©2012, 190 pages, 6×9, Hardcover

  • Explains how to modify concrete after hardening, and repair with minimal destruction
  • Provides engineering details on how nanoparticles relate to porosity, cracking, and corrosion
  • Includes scientific background and information on set-up, mixing, and testing

The book presents original work on how nanomaterials are applied to concrete through electromutagenic processes, which modify the microstructure of concrete materials in situ without changing their dimensions or appearance. In essence, it shows how high-performance concrete can be mixed without expensive additives. The book offers a method for dispersing nanoparticles in concrete and explains how their presence reduces porosity, increases strength and prevents cracking—information that can be used for more efficient repair and rehabilitation. Nanomaterials are shown to improve barrier-formation, anti-corrosiveness, and other functions of concrete. Extensive practical guidelines are given on formulation, set-up, mixing, and testing.


1. Nanomaterial Application Methods
1.1. Doping
1.2. Electrodeposition Coagulation Assembly
1.3. Electrostatic Assembly
1.4. Sintering
1.5. Reactive Conversion
1.6. Pore Assembly

2. Permeability Reduction
2.1. Permeability and the Wet Basement
2.2. Radical Permeability Reduction
2.3. References

3. Porosity Reduction and Strength Increase
3.1. Porosity Reduction
3.2. Strength Enhancement
3.3. References

4. Crack Repair
4.1. Getting Nanoparticles to a Crack Repair
4.2. Simulating the Particle Packing Process for Crack Repair
4.3. Placing the Particle Packing Electrode
4.4. Optimizing the Packing Electrode Placement
4.5. Summary of Electrokinetic Crack Repair
4.6. References

5. Chloride Extraction and Nanoparticle Barrier Formation
5.1. Chlorides and Corrosion
5.2. Chloride Removal from Structures
5.3. Adding Nanoparticles to the ECE Process
5.4. Nanoparticle Packing and Corrosion Performance
5.5. Nanoparticles and the Chloride Barrier
5.6. Pore Volume and Structure Revisions
5.7. Microstructural Phases Generated by Nanoparticles
5.8. Summary of Nanoparticle Assisted Corrosion Mitigation
5.9. References

6. Sulfate Removal and Damage Recovery
6.1. Sulfate Attack Prevention
6.2. Using Nanoparticles to Address Sulfate Attack
6.3. Assessing Sulfate Damage
6.4. Treatment Impact on Sulfate Attack
6.5. Summary of Sulfate Decontamination and Recovery
6.6. References

7. Freezing-Thaw Damage Reversal
7.1. Freeze-Thaw and the Disappointment of Sealants
7.2. Getting Nanoparticles into Vertical Facade Structures
7.3. A New Freeze-Thaw Resistant Nanocomposite
7.4. Great Composite Strength Enhancement
7.5. Cracks vs. Pores
7.6. The Damage Recovery Treatment
7.7. The Preventative Treatment
7.8. Summary of Treatment for Freezing and Thawing Resistance
7.9. References

8. Electrokinetic Nanomaterial Process Control and Design
8.1. Transport Control
8.2. Transport Phenomena in Concrete
8.3. Electrokinetic Transport
8.4. Nanoparticle Transport Modeling in Concrete
8.5. Calculating Transport Rates and Particle Dosages
8.6. Particle Size and Dosage Levels
8.7. Establishing and Maintaining Particle Delivery Circuits
8.8. Example Nanoparticle Treatment Design: Concrete Bridge Deck
8.9. References

9. Electromutagenics
9.1. Pore Structure Revision
9.2. Chemical Activation/Microstructural Phase Revision
9.3. Polymeric Phase Assembly
9.4. Nanocomposite Phase Assembly
9.5. Lithium-Coated Silica Treatment
9.6. Opportunities
9.7. References

About the Author

Nanomaterials in Concrete (Entire eBook)
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Chapter 1: Nanomaterial Application Methods
Chapter 2: Permeability Reduction
Chapter 3: Porosity Reduction and Strength Increase
Chapter 4: Crack Repair
Chapter 5: Chloride Extraction and Nanoparticle Barrier Formation
Chapter 6: Sulfate Removal and Damage Recovery
Chapter 7: Freezing-Thaw Damage Reversal
Chapter 8: Electrokinetic Nanomaterial Process Control and Design
Chapter 9: Electromutagenics

978-1-60595-050-1, ©2012, 190 pages, 6×9, Hardcover

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