| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a concrete form that can prevent forming of a pockmark by surely removing the bubble even if a concrete product of a complex shape. <P>SOLUTION: A concrete form member is formed by a punching plate 10 in which a lot of punching holes 11 are formed; and a nonwoven fabric 20 which is attached to an inner frame area side to form a concrete product of a punching plate 10 with good air permeability and prevents passage of cement milk. The concrete form 30 is built up by this concrete form members, and the gas such as the air etc. contained in the concrete can be discharged into the outside air through the nonwoven fabric 20 and the punching holes 11 by pouring the concrete in the form area, and forming of the pockmarks can be prevented by degassing. <P>COPYRIGHT: (C)2013,JPO&INPIT |
