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DOUBLE DUTY
| 题名： | DOUBLE DUTY |
| 正文语种： | 英文 |
| 作者： | BEN HAWTHORNE P.E., S.E., M.ASCE |
| 关键词： | structure；vertical；feature；rete；bridge；little；tower；long；ncre；ecas |
| 摘要： | On June 8, 2018, more than 1 O0 years after its namesake was born in the Little Harbor neighborhood of Portsmouth, New Hampshire, residents and dignitaries from New Hampshire and Maine gathered to celebrate the opening of the new Sarah Mildred Long Bridge, located just down the street. The innovative structure features stacked precast-concrete approach spans flanking a 300ft long, 4 million lb steel and concrete vertical lift span supported by four independent precast-concrete lift towers. |
| 出版年： | 2019 |
| 期刊名称： | Civil Engineer |
| 期： | 11 |
| 页码： | 62-71 |
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