Transport Properties of Concrete - 1st Edition - ISBN: 9781782423065, 9781782423195

Transport Properties of Concrete

1st Edition

Measurements and Applications

Authors: Peter Claisse
eBook ISBN: 9781782423195
Hardcover ISBN: 9781782423065
Imprint: Woodhead Publishing
Published Date: 9th May 2014
Page Count: 312
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Description

Transport Properties of Concrete covers how to measure the ability of ions and fluids to move through concrete material, and how to use the results to model performance. These transport properties largely determine the durability of concrete and of steel embedded within it, as well as the effectiveness of structures such as landfill containment barriers.

The book begins by explaining in detail what transport properties are and how to write computer models for transport processes. Early chapters present and explain computer models written in basic code. Coverage then proceeds to a wide range of tests for the transport properties of concrete, and methods for calculating the values for these properties from the test results using analytical and numerical models. The final chapters then show how the values obtained can be used to predict the durability of reinforced concrete, to model the effect of gas pressure, and to model waste containment structures. A number of practical examples are given, in which the calculations and computer models have been applied to real experimental data.

Transport Properties of Concrete provides a comprehensive examination of the subject, and will be of use to all concerned with the durability and effectiveness of concrete structures.

Key Features

  • Provides a detailed understanding of the various transport mechanisms that take place during testing in concrete
  • Shows how to obtain fundamental transport properties

Readership

Transport properties of concrete provides a comprehensive examination of the subject, and will be of use to all concerned with the durability and effectiveness of concrete structures.

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

Details

No. of pages:
312
Language:
English
Copyright:
© Woodhead Publishing 2014
Published:
Imprint:
Woodhead Publishing
eBook ISBN:
9781782423195
Hardcover ISBN:
9781782423065

About the Author

Peter Claisse

Peter A. Claisse is a professor at Coventry University and the author of more than 100 publications on construction and materials.

Affiliations and Expertise

Coventry University, UK