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Construction of Crack-Free Bridge Decks, Technical Summary
| 题名： | Construction of Crack-Free Bridge Decks, Technical Summary |
| 作者： | Darwin, D.; Khajehdehi, R.; Alhmood, A.; Feng, M.; Lafikes, J.; Ibrahim, E.; O-Reilly, M. |
| 关键词： | Bridge decks##High performance concrete##Aggregates(Construction Material)##Cracking##Technical summary##Construction##Specifications development## |
| 摘要： | The report documents the performance of the decks based on crack surveys performed on the LC-HPC decks and matching control bridge decks. The specifications for LC-HPC bridge decks, which cover aggregates, concrete, and construction procedures, as well as procedures for performing crack surveys, are summarized. The first 13 LC-HPC bridge decks are compared to control decks in terms of crack density as a function of time. Survey results are also presented for three LC-HPC decks without control decks and one deck let under LC-HPC specifications on which the specifications were not enforced. The widths of measured cracks ranged from 0.006 to 0.025 inches (0.15 to 0.64 mm). |
| 总页数： | 2 |
| 报告类型： | 科技报告 |
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