| 摘要 |
PURPOSE: A multi ribbed PC slab capable of omitting a temporary supporting post is provided to prevent the leak of concrete in the pouring of topping concrete. CONSTITUTION: A multi ribbed PC slab comprises a top plate(11), a slope base plate(12), and a plurality of ribs(13). The slope base plate is downward expanded from both side end point of the top plate. A plurality of ribs is integrally formed on the lower-part of the top plate. |
