| 摘要 |
The present utility model discloses a precast hollow core slab comprising a generally rectangular concrete slab body of predetermined concrete mix. The concrete slab body is provided with a plurality of spaced hollow cores disposed longitudinally traversing the top and rear surfaces thereof, and a plurality of spaced longitudinal reinforcing bars embedded therein, said reinforcing bars having extended length that protrudes through the top and bottom surfaces of said slab body. |
