Double-truss double-arch bridge

• Main Authors: XIE XIAOLI, QIN XIA, PANG MULIN, HUANG YANG
• Format: Patent
• Language: Chinese; English
• Published: 08.01.2021
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; OR VIADUCTS

The utility model discloses a double-truss double-arch bridge which is mainly composed of a main arch (1), an auxiliary arch (2), a triangular net (3), inclined legs (4), a main beam (5) and an outerwrapping concrete section (6). The auxiliary arch (2) is erected between the main arch (1) and the main girder (2), and arch feet of the auxiliary arch (2) are connected with arch feet of the main arch (1) through inclined legs (4). The triangular nets (3) are distributed between the main beam (5) and the auxiliary arches (2) as well as between the auxiliary arches (2) and the main arches (1); theauxiliary arch (2) is used as a chord member and can form a double-truss double-arch structure with the main arch (1) and the main beam (5) at the same time, so that the structure is more uniform instress and better in integrity; the encased concrete section (6) is a rigid arm domain, the rigidity of the encased concrete section is much larger than that of the vault, and deformation and bendingmoment of the vault and calc