double-curvature arch bridge 双曲拱桥
double-convex arch bridge [交] 双曲拱桥
double-hinged arch bridge 双铰拱桥
double-hinged deck arch bridge 双铰型上承式拱桥
double x-arch bridge 斜靠式拱桥
Double arch bridge span:30 meter; Rigid frame arch bridge spans:25meter、45meter、64meter、70meter.
双曲拱桥:跨径30米;刚架拱桥:跨径25米、45米、64米、70米。
参考来源 - 多级别超限车辆作用下拱桥的承载力评定与过桥咨询系统的实现·2,447,543篇论文数据，部分数据来源于NoteExpress
Shahegou bridge is a double arch bridge in Shandong Liaocheng city that firstly use anchor spray cement concrete to reinforce.
沙河沟桥是山东聊城首座采用锚喷混凝土加固的双曲拱桥。
This paper analyzes the reason of the double arch bridge's damages in theory, combined with the maintenance and reinforcement project of Yellow Dragon bridge.
本论文基于这种思想，结合黄龙大桥的维修加固工程，从理论上对双曲拱桥的病害原因进行分析，并总结了常见的加固方法。
Based on the construction of Jiuwanxi Bridge, the paper describes the integral lift and assembly technology of steel tube arch in segment of double rib with cable crane.
结合九畹溪大桥施工实例，详细介绍采用缆索吊分段双肋整体吊装钢管拱施工技术。
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