预应力混凝土连续箱梁桥支座更换施工技术

On bearing replacement construction technique of prestressed concrete continuous box girder

以某高架桥支座更换工程为例,在阐述该桥支座病害的基础上,对该桥的支座更换施工关键技术进行了详细介绍,并对该桥进行了施工监控量测,成桥和施工监测结果表明顶升法更换有害支座是可行的。

Taking the bearing replacement project of some viaduct as the example, the paper mainly introduces the key technique of the bearing replacement based on the illustration of the diseases on the bearing, undertakes the construction supervision and measurement, and proves by the bridge accomplishment and construction supervision result that the lift-up method is feasible.