高速公路箱形梁的施工及病害防治

摘要

以东川河I号大桥工程为例，对高速公路箱形粱的施工工艺进行了介绍，分别阐述了箱梁混凝土浇筑、钢绞线张拉等工序的施工工艺，并针对常见的裂缝、空洞等病害提出了相应的防治措施，对今后同类工程具有一定指导意义。%Taking Dongchuan river Bridge No. 1 engineering as an example, this paper introduces construction technology of box girder on highway, respectively describes construction technology of box girder concrete grouting with concrete and tension of steel strand, and puts forward corresponding preventive measures for common diseases including cracks and cavity, which ahs certain guiding meaning for similar engineering in future.