Suspended ceiling structure of large-span cavern of underground powerhouse of water conservancy and hydropower engineering

• Main Authors: LI LIQIAN, JIN XINGHUA, YAN PEILIN, HE SHUCAI, WANG YONG, ZHU XUJIE
• Format: Patent
• Language: Chinese; English
• Published: 08.03.2024
• Subjects: BUILDING; CEILINGS; FIXED CONSTRUCTIONS; FLOORS; GENERAL BUILDING CONSTRUCTIONS; INSULATION OR OTHER PROTECTION OF BUILDINGS; ROOFS; WALLS, e.g. PARTITIONS

The utility model discloses a suspended ceiling structure of a large-span cavern of an underground powerhouse of water conservancy and hydropower engineering, which comprises two full-length rock anchor beams positioned on the upstream and downstream sides, a steel truss arched beam positioned between the two rock anchor beams and spanning in the upstream and downstream directions, roof purlins mounted on the upper flange of the steel truss arched beam, and roof waterproof plates fixed on the roof purlins, a plurality of steel suspenders are fixed on a lower flange of the steel truss arched beam, a main keel is fixed below the steel suspenders and is welded and fixed with a lower chord purline, and a suspended ceiling decorative plate is fixed below the lower chord purline. The steel truss arched girder members are connected more safely and reliably, the steel truss arched girder and all the steel members can be machined and manufactured in a factory and then transported to the site for assembly type construc