| 摘要 |
PURPOSE: A pleated spacer buried in slab and a spacer module using the same are provided to maintain the formation and strength of a spacer by dispersing the load in the pouring of concrete. CONSTITUTION: A pleated spacer buried in slab has a hollow form. The surface of the spacer(10) is made of a paper material, a metal material including aluminum, a wooden plate and a PP or PE series plastic. The upper side and lower side of the spacer are flat circular shape. The side of the spacer is a jar shape projecting to outside. The surface of the side of the spacer comprises a pleated shape bent part, which bended to the top and bottom. |
