邳州高架桥斜拉桁架连续梁预应力施工

Construction of Prestressed Continuous Beam of Oblique-pulling Truss of Pizhou Viaduct

京杭运河邳州高架桥采用双面双塔式预应力斜拉桁架 ,桁架上、下弦杆件及部分受拉腹杆中施加预应力 ,预应力施工时通过采取一系列措施 。

The Pizhou viaduct on Jinghang Grand Canal is a double-faces and double-towers prestressed oblique-pulling truss.Engineers applied prestress on its upper chord bars,bottom chord bars and some tension members and adopted a series of measures to ensure stress-balance of bars in every construction stage.