新中国建国以来,特别是改革开放以来,由于科学技术的进步,工业水平的提高,我国桥梁建设显著增高,桥梁类型日新月异,悬臂施工工艺从50年代末发明以来,已经被广泛的用于桥梁建设中。大跨度、高难度桥梁的建成,谱写了桥梁建设史的新的篇章。 Since the founding of New China, especially since the reform and opening up, due to the progress of science and technology and the improvement of the industrial level, the bridge construction in our country has remarkably increased and the types of bridges have been changing with each passing day. Since the invention of the cantilever construction in the late 1950s, the cantilever construction technology has been widely used in bridge construction in. Long span, the completion of a difficult bridge, compose a new chapter in the history of the bridge construction.