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Book Cover
E-book
Author Tang, Luping

Title Resistance of Concrete to Chloride Ingress : Testing and Modelling
Published Hoboken : Taylor & amp ; Francis, 2010

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Description 1 online resource (260 pages)
Contents Front Cover; Resistance of Concrete to Chloride Ingress; Copyright Page; Contents; Preface and acknowledgements; Nomenclature; 1. Introduction; 1.1 Challenges when predicting the service life of reinforced concrete structures; 1.2 Progress in test methods for measuring chloride transport; 1.3 Mathematical models for describing chloride transport; 1.4 Prediction of the service life of structures in chloride-exposed environments; 1.5 The structure of this book; 2. Chloride transport in concrete; 2.1 Introduction; 2.2 Chloride concentrations; 2.3 Chloride binding/interaction and binding capacity
2.3.1 Linear chloride binding2.3.2 Non-linear chloride binding; 2.3.3 Chloride-binding capacity; 2.4 Ion diffusion; 2.4.1 Diffusion function and Fick's first law; 2.4.2 Steady-state diffusion and dimensions of the diffusion coefficient; 2.4.3 Non-steady-state diffusion; 2.5 Migration; 2.5.1 Migration function; 2.5.2 Steady-state migration; 2.5.3 Non-steady-state migration; 2.6 Diffusion and migration; 2.6.1 Combined diffusion and migration; 2.6.2 Steady-state process of diffusion and migration; 2.6.3 Non-steady-state process of diffusion and migration; 2.7 Other mechanisms
3. Test methods and their precision3.1 Introduction; 3.2 Conventional test methods; 3.2.1 Diffusion cell test; 3.2.2 Immersion and ponding tests; 3.3 Accelerated test methods; 3.3.1 Rapid chloride permeability test (Coulomb test); 3.3.2 Potential diffusion index test; 3.3.3 Steady-state migration test; 3.3.4 Non-steady-state migration test; 3.3.5 Resistivity test; 3.4 Test methods for in situ applications; 3.4.1 Use of chloride concentration profiles in concrete; 3.4.2 Use of accelerated chloride migration tests; 3.4.3 Use of electrical resistance measurements
3.4.4 Discussion of in situ methods3.5 Inter-laboratory comparison; 3.5.1 Nordic inter-laboratory comparison; 3.5.2 European inter-laboratory comparison (CHLORTEST); 3.5.3 International inter-laboratory comparison (RILEM); 3.6 Precision of the laboratory test methods; 3.6.1 Results of the Nordic inter-laboratory comparison; 3.6.2 Results of the European inter-laboratory comparison (CHLORTEST); 3.6.3 Results of the international inter-laboratory comparison (RILEM); 3.6.4 Summary of the precision results; 3.7 Relationships between the results of the different test methods
3.7.1 Effect of concrete age on the test results3.7.2 Relationship between the results of the diffusion and migration tests; 3.7.3 Relationship between the results of the resistivity and diffusion/migration tests; 3.7.4 Relationship between laboratory tests and in-field performance; 4. Modelling of chloride ingress; 4.1 Introduction; 4.2 Principles of the ingress process; 4.2.1 Concrete as an ingress medium; 4.2.2 The concrete pore solution; 4.2.3 The exposure conditions; 4.2.4 The ingress process; 4.3 'Fundamentals' of ingress models; 4.3.1 Mass balance equations; 4.3.2 Flux descriptions
Summary Chloride ingress in reinforced concrete induces corrosion and consequent spilling and structural weakness, and it occurs world-wide and imposes an enormous cost. Yet it can be resisted by using test methods and relevant models for service life prediction. Resistance of Concrete to Chloride Ingress sets out current understanding of chloride transport mechanisms, test methods and prediction models. It describes basic mechanisms and theories, and classifies the commonly used parameters and their units which expressing chloride and its transport properties in concrete. Laboratory test methods and
Notes 4.3.3 Interaction/binding
Print version record
Subject Reinforced concrete -- Chemical resistance
Reinforced concrete -- Testing
Reinforced concrete -- Corrosion -- Simulation methods
Chlorides.
Chlorides
Chlorides
Reinforced concrete -- Testing
Form Electronic book
Author Nilsson, Lars-Olof
Basheer, P. A. Muhammed
ISBN 9780203882412
0203882415