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Rapid Replacement of Bridge Deck Expansion Joints Study – Phase I. Tech Transfer Summary.
| 题名： | Rapid Replacement of Bridge Deck Expansion Joints Study – Phase I. Tech Transfer Summary. |
| 作者： | Milles, A. M.; Jahren, C. T. |
| 关键词： | Pavement performance##Extreme weather##Bridges##Highways bridges##Expansion joints##Winter De-icing Chemicals##Bridge decks##Rust formation##Subdrain performance##Modifications##Roadways##Improvements##Highway runoff##Highways##Iowa##Methodology##Vulnerability##Thermal expansion##Component fatigue##Iowa Highway Research Board (IHRB)##Bridge deck expansion joints##Subsurface Drainage Practices##Precast Beam Ends## |
| 摘要： | Bridge deck expansion joints are used to allow for movement of the bridge deck due to thermal expansion, dynamics loading, and other factors. More recently, expansion joints have also been utilized to prevent the passage of winter de-icing chemicals and other corrosives applied to bridge decks from penetrating and damaging substructure components of the bridge. Expansion joints are often one of the first components of a bridge to fail and repairing or replacing expansion joints are essential to extending the life of any bridge. Fail bridge substructures including rust formation on metal bearings as well as increased spilling on precast beam ends, concrete abutments, and concrete piers. To prevent further bridge damage can be due to increased traffic loading, component fatigue, low quality work, or several other factors. Joint failure can lead to increased damage to, joints are often repaired or replaced. |
| 总页数： | 3 |
| 报告类型： | 科技报告 |
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