Continuous Beam Construction Method of Prestressed Concrete Beam

摘要

The present invention relates to a PSC beam construction method using a continuous bridge method that enables more economical and efficient beam cross-sectional design and construction, wherein both beams are installed on the bridge substructures so that end joining surfaces of the beams to be connected to each other face each other. Block out only the upper flange portion except for the abdominal and lower flange portions of both beam ends to form the upper flange portion connecting space, and below the upper flange portion connecting space in the space between the lower flange portion and the abdominal joint surface of both beams. A first step of increasing the point resistance section by joining both beams together with an adhesive to continuously integrate the beams; A second step of curing by pouring point concrete into the upper flange connection space; Both ends of the PC steel wire pre-installed via the upper flange portions of both beams to penetrate the upper flange portion connecting space in the axial direction are tensioned and fixed in the anchorages installed spaced apart from both sides from the branch portions, and the compression prestress is applied to the branch portions. Introducing a third step; And a fourth step of pouring slab concrete integrally on the entire upper surface of the beam.;PSC beam, continuous bridge, branch concrete, slab concrete