| 摘要 |
PROBLEM TO BE SOLVED: To provide a wooden bridge comprised of a main girder consisting of a glued laminated wooden long beam and a concrete floor slab and equipped with excellent strength and durability. SOLUTION: A wooden bridge structure is constituted by placing the concrete floor slab on the upper surface of a plurality of main girders consisting of the glued laminated wooden long beam planting a large number of bolts or rods on an upper layer section to combine the main girders of the glued laminated wooden long beam with the concrete floor slab to joint and compose and passing a tendon through a through-hole penetrated in the longitudinal direction of the main girders, a large number of bolts and rods are planted on the upper surface of the main girders of the glued laminated wooden long beam, and concrete is cast thereon to form the concrete floor slab. COPYRIGHT: (C)2004,JPO |
