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部分斜拉桥是介于连续梁桥和斜拉桥之间的半柔半刚性桥梁,兼有连续梁桥和斜拉桥的优点,近年来在我国的修建日益增多。福建仙游仙港大桥为上下行分离式的城市桥梁,根据桥位条件,主桥采用部分斜拉桥,通过上下行桥梁主跨错位布置,而不是以复杂奇异的造型,来满足城市桥梁对景观的要求。以桥梁造型为主要出发点,介绍了该桥的桥位条件、设计构思、桥梁方案与部分斜拉桥的构造设计。
Some cable-stayed bridges are semi-flexible and semi-rigid bridges between continuous girders and cable-stayed bridges, which have the advantages of continuous bridges and cable-stayed bridges. In recent years, their construction in our country has been increasing. Fujian Xianyou Xiangyang Bridge is a separate up and down the city of the bridge, according to the bridge conditions, the main bridge using part of the cable-stayed bridge, the main span by the up and down the bridge staggered layout, rather than complex and singular shape to meet the city bridge pairs Landscape requirements. Taking the bridge shape as the main starting point, the bridge condition, design concept, bridge scheme and structural design of some cable-stayed bridges are introduced.