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CONCRETE DETERIORATION BY DEICING SALTS: AN EXPERIMENTAL STUDY.
| 题名： | CONCRETE DETERIORATION BY DEICING SALTS: AN EXPERIMENTAL STUDY. |
| 作者： | Cody-RD; Cody-AM; Spry-PG; Gan-G-L |
| 关键词： | DEICING-SALT; CONCRETE-WEAR; DOLOMITE-; DETERIORATED-CONCRETE; ALKALI-AGGREGATE-REACTION |
| 摘要： | Concrete with dolomite coarse aggregate was obtained by coring existing Iowa highways. The concretes were of two types, those which were very durable under highway conditions and those which were low durability. Samples were experimentally deteriorated using wet/dry, freeze/thaw, and continuous soak conditions in solutions of magnesium chloride, calcium chloride, sodium chloride, magnesium acetate, magnesium nitrate, and distilled water in order to determine relative deterioration activities. Magnesium chloride was most destructive. Calcium chloride was next, and sodium chloride was relatively benign. Magnesium acetate produced severe crumbling and moderate fracturing, and magnesium nitrate caused moderately severe deterioration by crumbling and discoloration. |
| 总页数： | University, Iowa Department of Transportation. Held: 19960513-19960514. Conference Title: 1996 Semisesquicentennial Transportation Conference Proceedings. Location: Ames, Iowa. Sponsored by: Iowa State. 1996. pp4-7 (12 Refs.) |
| 报告类型： | 科技报告 |
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