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最新进展!济微高速北段项目上跨瓦日铁路转体桥顺利转体
上跨瓦日铁路转体桥是济微北段项目的重要控制性节点工程之一,桥体总长190米,总重量2.7万吨。主桥采用2×80米预应力混凝土T型刚构设计,上部结构为全预应力混凝土变截面箱梁;下承台施工采用一次性整体浇筑施工,单次浇筑混凝土量达3692立方米,既有效减 ...
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