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Long-Term Post-Tensioned Column Exposure Test Specimens: Final Evaluation.
| 题名： | Long-Term Post-Tensioned Column Exposure Test Specimens: Final Evaluation. |
| 作者： | salas, r. m. west, j. s. schokker, a. j. breen, j. e. kreger, m. e. |
| 关键词： | *Columns-Supports; *Corrosion-protection; *Durability-.;Concrete-structures; Post-tensioning-; Salt-spraying-tests; Exposure-; Tendons-; Bridge-piers; Structural-design; Epoxy-; Fly-ash; Corrosion-prevention; Cracking-Fracturing; Evaluation-; Implementation-; Research-programs. |
| 摘要： | Post-tensioned concrete piers or columns may be exposed to very severe environments affecting their long-term durability. Two main exposure conditions are of special interest: partially submerged structures in sea water and structures exposed to deicing salts. The durability study of post-tensioned columns or vertical concrete elements under these conditions has unique characteristics. In order to provide detailed observations to improve the durability design of columns under these exposure conditions, a research study was started with the dual intent to evaluate how to use post-tensioning to improve corrosion protection and how to protect the post-tensioning systems from corrosion damage. |
| 报告类型： | 科技报告 |
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