The device in order to facilitate the extraction of a formwork, tool present in the device and a wall of a technical in the ground.

摘要

The invention relates to a device for facilitating the extraction of a vertical form. This device comprises means for forming, in a detachable manner, in the back (1b) of the form (1), at least one vertical guide groove (8) open over its entire length in a direction opposite the form face (1a), and means constituting a form removal tool having a guide part (11) capable of sliding vertically in the said groove, while being held in the groove, and lateral blades (9, 10) capable of scraping the lateral sides (3, 4) of the form during this sliding, and the device comprising means (12) for controlling the sliding of the said tool. The invention applies in particular to the forms used for the construction of a diaphragm wall. IMAGE