| 摘要 |
A hollow concrete rahmen bridge is provided to apply to a long-span bridge by forming hollows in a concrete slab, thereby reducing the dead weight of the concrete slab. A hollow concrete rahmen bridge(10) comprises vertical reinforced concrete walls(1) installed on two sides of the foundation vertically, and a concrete slab(2) installed across the vertical walls, and the concrete slab and the vertical walls are connected integrally in a rigid type. Hereon one or more tunnel type hollows(3) are formed to the center of the concrete slab in the transverse direction to form a thin flange and to support the wheel load of a vehicle to the maximum, thereby to take excellent structural efficiency, and a blind spot composed of an incline is formed on a place where the concrete slab and the vertical walls meet to secure a clearance of the concrete slab sufficiently. |
