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Assessment Methodology for Diagonally Cracked Reinforced Concrete Deck Girders.
| 题名： | Assessment Methodology for Diagonally Cracked Reinforced Concrete Deck Girders. |
| 作者： | Higgins-C.; Miller-T.H.; Rosowsky-D.V.; Yim-S.C.; Potisuk-T. |
| 关键词： | *Reinforced-concrete; *Bridge-decks.;Cracking-; Shear-properties; Girders-; Shrinkage-; Compression-; Reliability-; Assessments-; Laboratory-tests; Field-tests; Methodology-; Recommendations-. |
| 摘要： | This report details the results of a research program conducted to estimate the capacity and remaining life of 1950's vintage conventionally reinforced concrete deck girder (RCDG) bridges with diagonal cracks. The investigation encompassed field testing, laboratory testing, and analysis to develop a reliability based assessment methodology. Background, findings, and conclusions from each of these components are provided in individual sections of this report. Current limitations are described, including the impact of skew, temperature and shrinkage effects on capacity, as well as serious stem-flange interface cracking. There are also limitations in predicting the capacity of bent caps. Finally, recommendations are made for implementing the assessment methodology. |
| 报告类型： | 科技报告 |
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