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SUPERIOR MICROSTRUCTURE OF HIGH-PERFORMANCE CONCRETE FOR LONG-TERM DURABILITY.
| 题名： | SUPERIOR MICROSTRUCTURE OF HIGH-PERFORMANCE CONCRETE FOR LONG-TERM DURABILITY. |
| 作者： | Roy-DM; Silsbee-MR; Sabol-S; Scheetz-BE |
| 关键词： | HIGH-PERFORMANCE; CONCRETES-; CONCRETE-DURABILITY; MICROSTRUCTURE-; PERMEABILITY-; POROSITY- |
| 摘要： | Recent advances in using calculated packing diagrams to optimize cement and concrete materials offer the promise of superior product characteristics achieved by increased packing efficiency. A high packing efficiency with adequate mixing and placing techniques results in the formation of a fine microstructure that results in low permeability. The low permeability causes increased resistance to aggressive forces from the environment, which together enhance its long-term durability. The favorable interaction among physical and chemical phenomena gives rise to better long-term performance, whether the application is structural, chemical (such as in waste management), or a combination (as in highway concrete). |
| 总页数： | Transportation Research Record. 1995. (1478) pp11-19 (9 Fig., 5 Tab., 27 Ref.) |
| 报告类型： | 科技报告 |
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