| 摘要 |
The present invention relates to an arch slab and a manufacturing method thereof. The present invention prevents noise between floors. The present invention includes a step of installing a mold (9) on the lower surface of a slab, a step of installing a spacer (7), a step of arranging a semi-circular hollow structure (6), a step of fixing the spacer (7) and the semi-circular hollow structure (6), a step of casting concrete (4), a step of removing the mold (9) and an anchor bolt (8). |
