Steel-concrete composite beam cast-in-place slab upside-down hanging construction method

• Main Authors: SHI JILING, LIU HONGWEI, PAN RONGJIE
• Format: Patent
• Language: Chinese; English
• Published: 30.12.2022
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; OR VIADUCTS

The invention discloses a steel-concrete composite beam cast-in-place slab upside-down construction method. A steel-concrete composite beam comprises a plurality of steel beams arranged in the longitudinal direction of a bridge, all the steel beams are arranged at intervals in the transverse direction of the bridge, a first formwork is arranged between every two adjacent steel beams, and second formworks are arranged on the outer sides of the steel beams located on the two sides; during construction, in the length direction of the steel beam, the first formwork is divided into a plurality of first formwork units, and the second formwork is divided into a plurality of second formwork units; manufacturing a first template unit and a second template unit in a factory workshop; then the steel beams are transported to a construction site, the first formwork unit and the second formwork unit are sequentially hoisted in the length direction of the bridge and arranged on the steel beams through a plurality of support