原文传递
Evaluation of Performance Based Concrete for Bridge Decks.
| 题名： | Evaluation of Performance Based Concrete for Bridge Decks. |
| 作者： | Ferluga, E.; Glassford, P. |
| 关键词： | Bridge decks, Shrinkage reducing admixtures, Washington (State), Bridges, Cracking, Performance based, Concrete specifications, Evaluation, Bridge construction, Bridge structures, Bridge inspections |
| 摘要： | The Washington State Department of Transportation (WSDOT) revised the concrete specification for bridge decks in 2011 to be more performance based with the desired effect of having less early-age shrinkage cracking. This report evaluates a sample of the bridges constructed with the revised performance based specification against a sample of bridges constructed with the traditional WSDOT specification. The evaluation consists of visual inspections, noting cracks and developing crack intensity diagrams for each bridge. These diagrams are then used to rank and compare the bridge decks. The outcome of this study is that the bridge decks constructed with the performance based specification have much less early-age shrinkage cracking then the traditional WSDOT specification. |
| 总页数： | Ferluga, E.; Glassford, P. |
| 报告类型： | 科技报告 |
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