匝道箱梁纠偏施工工艺探讨

Rectification Construction Technology for Ramp Box Girder

部分高速公路桥梁经过多年的运营之后出现了梁体位移、扭转、支座脱空和受力不均等病害,为保证高速公路的正常工作,需及时对病害桥梁进行梁体纠偏、支座更换处理。该方法能够使桥梁恢复建设初期的工作状态,并防止再次出现相同病害。

Some of the highway bridges have such disease as beam displacement, torsion, bearing voiding and uneven force after years of operation. In order to ensure the normal work of expressway, beam correction and bearing replacement process should be conducted to bridge. The method enables the bridge to restore the initial working status and it can prevent the recurrence of the same diseases.