仓安路斜拉桥主梁施工控制技术

Techniques for Construction of Main Beam of Cable Stayed Bridge on Cangan Road

位于石家庄市仓安路斜拉桥，跨越京广铁路，主跨跨径125m，施工难度大且主要集中在主梁。着重介绍预应力混凝土双主梁施工的主要技术，包括牵索式挂篮悬浇、斜拉索安装与张拉、合拢段施工控制要点等。

The cable stayed bridge situated on Cangan Road in Shijiazhuang City spans Jing-Guang Railway with the major span of 125m, its construction difficulty is big and principally concentrated in the main beam. The paper emphatically introduces major techniques for double main beam of prestressed concrete in construction, including the suspension cast of drafting cradle, the erection and stretch of stayed cable and the essentials for control of old section construction.