| 摘要 |
The present invention relates to a hollow PC slab and a manufacturing method thereof. The hollow PC slab of which a multitude of hollows are formed inside a PC slab comprises: shear stress reinforcement parts arranged in both end parts in the longitudinal direction of the slab; and a bending stress reinforcement part arranged between the shear stress reinforcement parts. A cross section of the hollow PC slab has a consecutive shape of I type cross section composed of upper and lower flanges and webs by a multitude of hollows. In the bending stress reinforcement part receiving much of bending moment, lower flange is constituted thicker than the shear stress reinforcement part, and in the shear stress reinforcement part, the web is constituted thicker than the bending stress reinforcement part. |
