松江玉阳大道大张泾桥设计

Design of Dazhangyu Bridge on Yuyang Avenue in Songjiang

松江玉阳大道大张泾桥桥梁总长180 m,主桥为1×80 m下承式钢–混叠合梁系杆钢箱拱桥,单幅设计,横断面全宽42 m,拱肋采用平行拱。引桥为4×25 m预应力混凝土现浇连续箱梁,分幅设计,横断面全宽42 m。通过大张泾桥的设计诣在提出,桥梁设计应注重因地制宜,结合桥梁自身的边界条件,提出适合本桥的桥型及细部设计。

The total length of the Dazhangyu Bridge of Songyang Yuyang Avenue is 180m.The main bridge is a lx80m downsupported steel-mixed beam tied steel box arch bridge.The single-frame design has a full width of 42 m and the arch ribs are parallel arches.The approach bridge is a 4x25 m prestressed concrete cast-in-place continuous box girder with a framing design and a full width of 42m.In this paper, the design of Dazhangyu Bridge is proposed.The bridge design should pay attention to local conditions and combine the boundary conditions of the bridge itself to propose the bridge type and detail design suitable for the bridge.