Transport Properties of Concrete

Table of Contents

• Author contact details
• Woodhead Publishing Series in Civil and Structural Engineering
• Introduction
  • The fundamental equations
  • Computer codes
  • Structure of this book
  • Experimental data
  • Summary of contents
  • References
• Acknowledgements
• 1. The transport properties of concrete and the equations that describe them
  • Abstract:
  • 1.1 Introduction
  • 1.2 The transport processes
  • 1.3 Processes which increase or reduce the transport
  • 1.4 Conclusions
  • 1.5 References
• 2. Computer models to predict the transport processes in concrete
  • Abstract:
  • 2.1 Introduction
  • 2.2 Expressing the basic equations as computer code
  • 2.3 Other elements of the code
  • 2.4 Example: calculations for a waste containment barrier
  • 2.5 Conclusions
  • 2.6 Reference
• 3. Surface tests to determine transport properties of concrete I: the tests
  • Abstract:
  • 3.1 Introduction
  • 3.2 The initial surface absorption test (ISAT)
  • 3.3 The Figg air permeation index
  • 3.4 Other tests
  • 3.5 Vacuum preconditioning: a development of the ISAT test
  • 3.6 Vacuum preconditioning for other tests
  • 3.7 Conclusions
  • 3.7 References
• 4. Surface tests to determine transport properties of concrete II: analytical models to calculate permeability
  • Abstract:
  • 4.1 Introduction
  • 4.2 Additional tests
  • 4.3 Modelling of the absorption tests
  • 4.4 Experimental testing for absorption
  • 4.5 Tests using a vacuum to measure air flow
  • 4.6 The choice of test for practical applications
  • 4.7 Conclusions
  • 4.8 References
• 5. Surface tests to determine transport properties of concrete III: measuring gas permeability
  • Abstract:
  • 5.1 Introduction
  • 5.2 Theoretical analysis
  • 5.3 Investigation of methods for sealing the drilled holes
  • 5.4 Determination of pressure decay profile
  • 5.5 Comparison of in situ test methods
  • 5.6 Conclusions
  • 5.7 References
• 6. Measurements of gas migration in concrete
  • Abstract:
  • 6.1 Introduction
  • 6.2 Experimental method
  • 6.3 Analysis of experimental data
  • 6.4 Results for gas permeability of concrete
  • 6.5 Comparison with gas permeability of grouts
  • 6.6 The effect of interfaces on gas permeability
  • 6.7 Discussion
  • 6.8 Conclusions
  • 6.9 Reference
• 7. Water vapour and liquid permeability measurements in concrete
  • Abstract
  • 7.1 Introduction
  • 7.2 Experimental methods
  • 7.3 Methods of analysis of results
  • 7.4 Results and discussion
  • 7.5 Conclusions
  • 7.6 References
• 8. Measurement of porosity as a predictor of the transport properties of concrete
  • Abstract:
  • 8.1 Introduction
  • 8.2 Sample preparation and testing programme
  • 8.3 Tests for porosity
  • 8.4 Tests for properties controlled by transport
  • 8.5 Oxygen transport
  • 8.6 Vapour transport
  • 8.7 Results and discussion
  • 8.8 Conclusions
  • 8.9 References
• 9. Factors affecting the measurement of the permeability of concrete
  • Abstract:
  • 9.1 Introduction
  • 9.2 Experimental programme
  • 9.3 Results
  • 9.4 Discussion
  • 9.5 Conclusions
  • 9.6 References
• 10. Electrical tests to analyse the transport properties of concrete I: modelling diffusion and electromigration
  • Abstract
  • 10.1 Introduction
  • 10.2 The ASTM C1202 test and the salt bridge
  • 10.3 The physical processes
  • 10.4 Analytical solutions
  • 10.5 The computer model
  • 10.6 Initial experimental validation
  • 10.7 Full model validation
  • 10.8 Conclusions
  • 10.9 References
• 11. Electrical tests to analyse the transport properties of concrete II: using a neural network model to derive diffusion coefficients
  • Abstract:
  • 11.1 Introduction
  • 11.2 Experimental method
  • 11.3 Neural network optimisation model
  • 11.4 Results and discussion
  • 11.5 Conclusions
  • 11.6 References
• 12. Electrical tests to analyse the fundamental transport properties of concrete III: modelling tests without applied voltages
  • Abstract:
  • 12.1 Introduction
  • 12.2 Test methods
  • 12.3 The analytical solution
  • 12.4 Computer modelling theoretical background
  • 12.5 Experimental programme
  • 12.6 Results and discussion
  • 12.7 Conclusions
  • 12.8 References
• 13. Applications using measured values of the transport properties of concrete I: predicting the durability of reinforced concrete
  • Abstract
  • 13.1 Introduction
  • 13.2 Controlling parameters for concrete durability
  • 13.3 Measuring corrosion of reinforcement
  • 13.4 Correlating transport measurements with corrosion
  • 13.5 Predictive models for corrosion
  • 13.6 Conclusions
  • 13.7 References
• 14. Applications using measured values of the transport properties of concrete II: modelling the effect of gas pressure
  • Abstract:
  • 14.1 Introduction
  • 14.2 Background: mechanisms of gas migration
  • 14.3 The effects of stress generation in cementitious materials
  • 14.4 Sensitivity to material properties and conditions
  • 14.5 Behaviour in a repository
  • 14.6 Conclusions
  • 14.7 References
• 15. Applications using measured values of the transport properties of concrete III: predicting the transport of liquids through concrete barriers for waste containment
  • Abstract:
  • 15.1 Introduction
  • 15.2 The computer model
  • 15.3 Laboratory testing
  • 15.4 Site trials
  • 15.5 Reducing transport in cracked concrete
  • 15.6 Conclusions
  • 15.7 References
• Conclusions, recommendations and guidance for measuring transport properties of concrete
  • The state of the art
  • Recommendations and guidance
• Appendix 1: List of papers for the experimental data and derivations
• Appendix 2: Notation and abbreviations
  • Notation
  • Abbreviations
• Index

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