Formwork device for use on rubble to perform formwork for concrete, has support placed against vertical face of rubble and comprising extending portion that is placed above rubble on sufficient height to form rail with holding element

摘要

The device (1) has a support (6) placed against a vertical face (3) of a rubble (2). A maintaining unit maintains the support against the rubble. A connection element (7) of the maintain unit rests longitudinally on an upper face (5) of the rubble. The connection with an extreme part is related to the support with a longitudinal displacement, and with another part is related to a holding unit (8) cooperate with another vertical face (4) of the rubble. The support comprises an extending portion placed above the rubble on sufficient height to form a guard rail with a holding element (71).