Construction of composite viaduct structure and construction method of the composite viaduct

摘要

PROBLEM TO BE SOLVED: To provide a construction structure of a composite viaduct and a construction method of the composite viaduct which enables construction even in a narrow space in a short period of time and building at a lowered cost.;SOLUTION: A construction structure of a composite viaduct is equipped with: a CFT column 12 that is formed of steel pipes filled with concrete; an upper-layer beam steel box girder member 13 having an upper-layer beam steel box girder that can be constructed by arranging it on the CFT column 12 and moving it in a horizontal direction; a CFT column joint part 16 that joins the CFT column 12 and the upper-layer beam steel box girder member 13; and a composite beam floor slab 14 that is made of concrete and arranged on the upper-layer beam steel box girder member 13.;COPYRIGHT: (C)2012,JPO&INPIT