Impact of Deicing Salts on Corrosion Rates of MSE Reinforcement
| 项目名称： | Impact of Deicing Salts on Corrosion Rates of MSE Reinforcement |
| 摘要： | The service life of mechanically stabilized earth (MSE) wall systems is estimated based on assumed rates of soil reinforcement corrosion that correspond to mild or moderate corrosive conditions in the soil backfill. The assumption is deemed valid when certain electrochemical properties of the soil backfill, namely electrical resistivity, pH, chloride and sulfate contents, are within specified limits. This approach relies on evaluation of the soil backfill in its initial condition but does not account for changes that may occur in the electrochemical properties of the soil backfill when it is exposed to deicing salts under service conditions. This research will evaluate corrosion rates in steel MSE reinforcement and embedded MSE backfill materials under different levels of exposure to deicing chemicals. This will be accomplished by conducting a detailed laboratory test program that will include applicable material characterization tests and corrosion tests. The test program will examine a range of backfill materials. Special emphasis will be placed on coarse graded backfill recommended for use in high salt exposure environments. |
| 状态： | Active |
| 资金： | 127594.00 |
| 资助组织： | Texas Tech University, Lubbock<==>Research and Innovative Technology Administration |
| 执行机构： | Texas Tech University, Lubbock |
| 开始时间： | 20140601 |
| 实际结束时间： | 20160531 |
| 主题领域： | Geotechnology；Highways；I30: Materials |
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