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襄阳唐白河桥全长988m,其主桥上部结构为65m+120m+65m连续刚构,主梁为预应力混凝土箱梁,分为左右幅,箱梁根部高度为7.0m,跨中高度为2.8m,箱梁高度以及箱梁底板厚度按二次抛物线变化。本文从0#支架施工、挂篮悬浇等关键施工技术方面介绍了唐白河主桥上部结构的施工,供类似工程参考借鉴。
The white bridge of Xiangyang Tang has a total length of 988m and the superstructure of the main bridge is 65m + 120m + 65m continuous rigid frame. The main beam is prestressed concrete box girder and divided into left and right webs. The height of box girder root is 7.0m and the mid- m, box girder height and the thickness of the box girder floor by parabolic changes. This article introduces the construction of the superstructure of the main structure of Tangbaihe River from the key construction technologies such as 0 # bracket construction and hanging basket hanging for reference for similar projects.