Computer modeling and investigation on the steel corrosion in cracked ultra high performance concrete /

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Bibliographic Details
Other Authors: Rafiee, Alireza.
Format: eBook
Language:English
Published: Kassel : Kassel Univ., 2012.
Subjects:
Online Access:CONNECT
CONNECT
Table of Contents:
  • Front cover ; Title page ; Imprint ; ACKNOWLEDGEMENTS; Vorwort der Herausgeber; ABSTRACT; TABLE OF CONTENTS; 1. INTRODUCTION; 1.1 Background; 1.2 Service-Life Requirements; 1.3 Scope of Study; 1.4 Disposition of the Thesis; 2. LITERATURE REVIEW; 2.1. General; 2.2. Review of Corrosion of Steel in Concrete; 2.2.1. Mechanism of Electrochemical Corrosion; 2.2.2. Principles of steel corrosion in concrete; 2.2.3. Initiation of Steel Corrosion in Concrete; 2.2.4. Polarization of Steel in Concrete; 2.2.5. Types of Corrosion Cells; 2.3. Penetration into Porous Materials.
  • 2.3.1. Pore Structure of Cement Paste2.3.2. Moisture Movement in Concrete; 2.3.3. Chloride Ingress into Concrete; 2.3.4. Gaseous Material Transport in Concrete; 2.4. Ultra High Performance Concrete (UHPC); 2.4.1. General; 2.4.2. Durability; 2.4.3. Rehydration; 2.4.4. Danger of Delayed Ettringite Formation; 2.5. Cracked Concrete; 2.5.1. Steel Corrosion in Cracked Concrete; 2.5.2. Diffusion into Cracked Concrete; 3. Experimental Program; 3.1. Introduction; 3.2. Materials; 3.3. Mixture Proportion and Curing Regime; 3.4. Cracked Steel Fiber Reinforced Concrete (Test Methods).
  • 3.4.1. Procedures of Preparation3.4.2. Crack Formation; 3.4.3. Load-deflection curves interpretation; 3.4.4. Visual inspection; 3.5. Second series of laboratory tests; 3.5.1. Water diffusion test; 3.5.2. Water sorption test; 3.5.3. Rapid chloride migration test; 3.5.4. Electrical resistivity of concrete; 3.5.5. Mercury porosimetry; 3.5.6. Tafel plot technique; 3.5.7. Compressive strength test; 3.5.8. Validation test; 4. NUMERICAL TECHNIQUES; 4.1. General; 4.2. Finite Element Method (FEM); 4.3. Finite Difference Method (FDM); 4.3.1. FDM for Solving the Three-dimensional Diffusion Equation.
  • 4.3.2. FDM for Solving the Two-dimensional Advection-Diffusion Equation4.3.3. FDM for Solving the Three-dimensional Laplace Equation; 5. Multi-Field Computer Modeling; 5.1. General; 5.2. Geometrical Conditions; 5.2.1. Input Data; 5.2.2. Assumptions; 5.3. Exposure Conditions at the Boundary Areas; 5.3.1. Input Data; 5.3.2. Assumptions; 5.3.3. Mathematical Formulation; 5.4. Environmental and Initial Conditions; 5.5. Water Movement in Concrete; 5.5.1. Input Data; 5.5.2. Assumptions; 5.5.3. Applied Equations and Mathematical Formulations; 5.5.4. Boundary Conditions.
  • 5.6. Chloride Ion Ingress into Concrete5.6.1. Input Data; 5.6.2. Assumptions; 5.6.3. Applied Equations and Mathematical Formulations; 5.6.4. Boundary Conditions; 5.7. Oxygen Ingress into Concrete; 5.7.1. Input Data; 5.7.2. Assumptions; 5.7.3. Applied Equations and Mathematical Formulations; 5.7.4. Boundary Conditions; 5.8. Crack Modeling; 5.9. Corrosion Analysis; 5.9.1. Input Data; 5.9.2. Assumptions; 5.9.3. Applied Equations and Mathematical Formulations; 5.9.4. Solution Strategy; 5.10. Electrical Resistivity of Concrete; 5-11 Outputs; 5.12. Computer Code.