To reduce both the initial and the maintenance painting costs, engineers in many states have increasingly been designing bridges made of bare, exposed weathering steel. However, after many years of experience, engineers are concerned about the long-term performance….
Contents
Chapter 1: Introduction
1.1 Background
1.2 Objectives
1.3 Type of Steel
1.3.1 A242 Steel
1.3.2 A588 Steel
1.3.3 Carbon Steel
1.4 Type of Environment
1.4.1 Rural
1.4.2 Industrial
1.4.3 Marine
Chapter 2: Angle of Exposure
2.1 Cosaboom et al. (1979)
2.2 Zoccola (1976)
2.3 Worldwide Data
2.4 Results and Discussion
Chapter 3: Orientation
3.1 Larrabee (1944)
3.2 Zoccola (1976)
3.3 Results and Discussion
Chapter 4: Shelter
4.1 Larrabee (1966)
4.2 Cosaboom (1979)
4.3 Zoccola (1976)
4.4 Mckenzie (1978)
4.5 Results and Discussion
Chapter 5: Continuously Moist Conditions
5.1 Chemical Reaction of Steel Corrosion
5.2 Capillary Action
5.3 Relative Humidity
5.4 Larrabee (1966)
5.5 Results and Discussion
Chapter 6: Industrial Pollutants
6.1 Acid Regeneration Cycle and Electrochemical Cycle
6.1.1 Acid Regeneration Cycle
6.1.2 Electrochemical Cycle
6.2 Protective Mechanism of Weathering Steels
6.3 Schmitt (1967)
6.4 Knotkova, Vlckova, and Honzak (1982)
6.5 Results and Discussion
Chapter 7: Galvanic Corrosion
7.1 Factors Affecting Galvanic Corrosion
7.1.1 Electrode Potential
7.1.2 Reaction Kinetics
7.1.3 Composition
7.1.4 Protective Film Characteristics
7.1.5 Bulk Solution Properties and Environment
7.1.6 Galvanic Couple Geometry and Join
7.2 Galvanic Series of Metal
7.3 Degree of Corrosion
7.4 Galvanic Corrosion Control Technology Applied to Design
Chapter 8: Deicing Salts
8.1 Cosaboom (1979)
8.2 Zoccola (1976)
8.3 Raska (1983)
8.4 Hein (1981)
8.5 Results and Discussion
Chapter 9: Pitting & Crevices
9.1 Pitting
9.2 Crevices
9.3 Copson (1960)
9.4 The Example Case of Crevice Corrosion
9.5 Results and Discussion
Chapter 10: Conclusions
References
Author: Park, Kyungha
Source: University of Maryland
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