During cantilever construction of large span cable-stayed bridge steel box girder, the local relative deformation of steel box girder is obviously different between girder to be suspended and girder supporting crane.

• 摘要大跨度斜拉桥主梁悬臂拼装匹配过程中，吊机作用梁段和被起吊梁段由于受力不同，相对变形存在较大差异。