泌桐高速箱梁模板计算及施工资料.doc

箱梁模板计算及施工资料
现浇预应力钢筋混凝土箱梁施工

单箱截面，截面尺寸为梁高1.5米、梁顶宽8.96米，具体尺寸形式见图10-1。箱梁截面尺寸：

图10-1  箱梁截面尺寸详图
10.1  施工顺序
预应力混凝土箱梁采用满布支架现场浇筑混凝土的施工方法。箱梁混凝土浇筑采用二次浇筑：第一次浇筑底板和腹板，第二次浇筑顶板。预应力施工采用后张法预应力施工工艺。具体工艺流程见图10-2。
10.2  现浇砼施工
10.2.1  支架体系
预应力钢筋混凝土连续箱梁支架采用满堂红式支架体系。

Box girder calculation and construction materials
Prestressed concrete box girder

Single box section, the section size is 1.5 meters high beam, beam top width of 8.96 m, the specific size of the form shown in Figure 10-1. Box section size:

Figure 10-1 box section size Detailing
10.1 The construction order
Prestressed concrete box beam scaffolding-situ concrete construction method. Box pouring concrete placement by the second: the first floor, and web casting, the second pouring roof. Construction using prestressed post-tensioned construction technology. Specific process shown in Figure 10-2.
10.2 situ concrete construction
10.2.1 Support System
Prestressed concrete continuous Box Beam stent system with full house.