| 摘要 |
The invention relates to a lost formwork for the production of vertical walls. According to the invention, additional through-slots (22) are provided in a rear panel (6), on either side of each of the main slots (20) in the horizontal direction, the spacing e between each main slot (20) and the additional slots (22) provided on either side of the main slots being between 7 and 35 mm. The rear end of each spacer (14) can be moved by hand from a rest position (15), in which the front (16) and rear (18) ends of the spacer are aligned on an axis perpendicular to the front face of the front panel (2), to an offset position (17), in which the rear end (18) is moved horizontally away from the rest position (15) of said end by a distance equal to e/2. |
