Improved Test Methods and Practices for Characterizing Steel Corrosion Potential of Earthen Materials (2020) / Chapter Skim
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7 Chapter 1. Background 1.1.
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8 b. Evaluating how the compositions of earthen materials and water chemistry affect measurements of electrochemical properties considering: a.
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9 molecules through the electrolyte)
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10 Tex-129-E (1999) was the TxDOT standard that will be superseded by Tex-129-M.
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11 water-saturated soil box does not necessarily represent the actual site conditions, but provides a baseline for comparing the corrosivity of different earthen materials, and is considered as the minimum resistivity in this study.
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12 Figure 1-1 Resistivity measurement using a two-electrode soil box.
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13 Table 1-2 Comparison of different resistivity test methods in terms of sample treatment. Test methods Air/oven dry Particle size Mixing method Moisture condition AASHTO T-288 (2016)
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14 Figure 1-3 Procedure to perform a typical leach test.
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15 1.3.3 Limitations of Current Test Methods AASHTO T-288 (2016)
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