跨河简支梁桥整体抬升改造

The introduction of whole-slab lifting for the reform of river-crossing simply bridge

介绍了跨河简支梁桥采用超薄千斤顶少支架整体抬升的工艺,从而避免了桥下河底的地基处理,降低了对河道及周边环境的影响,并结合抬升施工对过河管线进行了相应改造,改善了桥梁景观效果。

This paper introduce the reform of river-crossing simply brdge by using ultrathin lifting jack, this mode avoided the foundation treatment under the bridge, reduced the influence of the river and the adjacent environment. The regulation of pipeline is realized at the same time, the landscape effectiveness of this bridge is ameliorated.