某市斜靠式提篮拱桥设计特点

斜靠式混凝土系杆拱桥的承重结构采用两根主拱肋与两根稳定拱肋，在车行道两侧主拱肋与稳定拱肋面对面斜靠在一起，如此布置，两主拱肋间取消了风撑，消除了行车压抑感，并且具有独特的横向稳定性和美观等特点，主拱肋和系梁在端横梁处连成整体，主拱肋和稳定拱肋的所有吊杆通过桥面系的中横梁把拱肋和桥面连接在一起，下部结构采用桩基．拱肋的跨度大、空间结构复杂，且采用现场浇注，要求施工时必须加强施工中的监控工作．

Design Characteristics of Handle Basket Arch Bridge in A City

The concrete handle basket tied arched bridge in this article uses two main arch rids and two stable arch rids as bearing structure in which main rids and stable rids lean on each other face to face so it eliminates travelling oppression and is characterized by unique lateral stability and beauty. The main arch rids and stable arch rids are combined into an entity at the end of floor beam. All the tied booms of the main arch rids and stable rids combine the arch rids and roadway by the medial horizontal beam of the bridge deck system. The substructure adopts pier foundation. Since arch rid spans is longer and more comprehensive in space structure and is poured on the site, it needs to strengthen supervision and control in construction.