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AS EASY AS ABC
| 题名： | AS EASY AS ABC |
| 正文语种： | eng |
| 摘要： | Located near the river's mouth, the Veranda Street Bridge carries up to 75,000 vehicles per day on busy 1-295 across Veranda Street (Route 1) in Portland. The interstate is a central artery that connects Portland and points south with Falmouth, Freeport, and other Casco Bay-area destinations in southern and mid-coastal Maine. Thanks to a lot of pre-planning, public outreach, and project team coordination, the Maine Department of Transportation replaced this bridge in its entirety over one weekend. Upon completion, the Veranda Street Bridge project became the largest, fastest, and most ambitious accelerated bridge construction (ABC) project in MaineDOT's history. According to Tim Cote, project manager at HNTB, the feasibility assessment confirmed conventional construction would require building a significant temporary bridge to maintain traffic duration construction and completing the work in four stages: 1.Stage 1: Construction of temporary bridge 2.Stage 2: Shift I-295 northbound traffic onto the temporary bridge. Demolish and replace the old northbound bridge. 3.Stage 3: Leaving I-295 northbound traffic on the temporary bridge, shift I-295 southbound traffic onto the newly built northbound bridge. Demolish and replace the old southbound bridge. 4.Stage 4: Shift I-295 northbound and southbound onto the new bridges; demolish the temporary structure. |
| 出版年： | 2022 |
| 期刊名称： | Roads & bridges |
| 卷： | 60 |
| 期： | 9 |
| 页码： | 50,52 |
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