an arch bridge form 拱桥形式
RC-masonry combination arch bridge makes rc arch ribs as former spanning structure and falsework of upper masonry's construction. Finally, reinforced concrete and masonry together form arch ring.
它提出了以RC拱肋作为先期的跨越结构和后期高强石砌体砌筑的施工支架，最终由石砌体和RC拱肋共同形成主拱圈的构思。
After the strict design and optimization, it was confirmed that its form is the concreted continues arch bridge with steel pipe.
经过严谨的设计与优化，确定结构形式为钢管混凝土连续拱桥。
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