原文传递
Corrosion Resistant Alloys for Reinforced Concrete.
| 题名： | Corrosion Resistant Alloys for Reinforced Concrete. |
| 作者： | hartt, w. h. powers, r. g. lysogorski, d. k. liroux, v. virmani, y. p. |
| 关键词： | corrosion testing, corrosion resistance, corrosion inhibitors, bridge structures, alloys, chlorides, durability, high perfromance reinfordement, stainless steel, 5-year program |
| 摘要： | Initial cost considerations have historically precluded widespread utilization of high performance (corrosion resistant) reinforcements such as stainless steels in bridge construction. However, with the advent of life-cycle cost analysis as a project planning tool and of a requirement that major bridge structures have a 75- to 100-year design life, the competitiveness of such steels has increased such that enhanced attention has focused in recent years upon these materials. This investigation was initiated to evaluate the corrosion resistance of various types of corrosion resistant reinforcement, including new products that are becoming available, in bridge structures that are exposed to chlorides. Both long-term (4-year) test yard exposures and accelerated laboratory experiments in simulated concrete pore waters are being performed. The ultimate objective is to, first, evaluate the corrosion properties and rank the different candidate materials and, second, develop tools whereby long-term performance in actual structures can be projected from short-term tests. This interim report presents results from the initial 3 years of an overall 5-year program. / NOTE: Interim rept. / Supplementary Notes: See also PB2007-111508. Sponsored by the Federal Highway Administration, McLean, VA. / Availability Note: Available on CD-ROM and in color paper copy only. Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5285 Port Royal Road, Springfield, VA, 22161, USA. |
| 总页数： | u0725；136p |
| 报告类型： | 科技报告 |
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