【摘要】 北京市顺义区减河3号人行景观桥—天目桥为曲索面异形钢箱梁斜拉桥,结构形式新颖。介绍该桥的桥型构思、方案比选、总体设计,为今后空间布置的双层索系以及异形钢箱梁斜拉桥在人行景观桥梁设计中的应用提供有益参考。更多还原

【Abstract】 Tianmu Bridge,the Landscape Pedestrian Bridge No.3 over Jianhe River in Shunyi District,Beijing,is a structurally novel cable-stayed bridge with irregular shape steel box girder and curved cable planes.In this paper,the bridge type design considerations,bridge type alternative comparison and selection,and overall design of the Bridge are presented.The presentations in the paper may provide helpful reference for applying the cable-stayed bridges with irregular shape steel box girders and spacial double-layer cable systems to the design of landscape pedestrian bridges in the future.更多还原