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董家梁子大桥的混凝土拱圈系采用劲性骨架局部加载分环分段平衡灌注法灌筑。文章对劲性钢骨架的特点及该桥拱部混凝土的灌注程序、灌筑过程中的变形观测与控制作一介绍。
The concrete arch ring of Dongjiadazi Bridge is filled with a rigid skeleton partial load ring segment balanced perfusion method. The article introduces the characteristics of the rigid steel skeleton and the perfusion procedure of concrete in the bridge arch and the deformation observation and control during the filling process.