ROOF TRUSS STRUCTURE OF VAULT ROOF

摘要

PROBLEM TO BE SOLVED: To provide a roof truss structure of a vault roof enabling the vault roof to be constructed to fit surrounding areas, while enabling attic space or the ceiling height of a vault ceiling to be fully secured, and providing for excellent construction properties. SOLUTION: The roof truss structure of the vault roof has a plurality of steel vault beams 4 arranged in ridge direction. Each of the vault beams 4 has upright members 9 installed perpendicularly on horizontal members 5 and 6, at the lower end of each side. Each of the vault beams 4 comprises a pair of vault beams 7 and 7 positioned on both sides of a ridge part, with the vault beams 7 and 7 coupled together by fasteners at the ridge part.