Drilling device for execution of diaphragm walls and method thereof

摘要

A drilling method and device for the execution of diaphragm walls by cutting means (131, 105, 110) carried by a frame (130) supported by suspension and movement means (102), in which a guide hole (200) is formed as far as the depth specified in the design at the centre of the panel to be made; excavation is started with the introduction into the guide hole (200) of a guide element (101) that is fixed with respect to the tool-holder frame and having geometry such as to copy the guide hole along which it slides during excavation; excavation is carried out as far as the depth specified in the design; the tool is extracted from the excavation; the excavation is filled with concrete and a panel is formed; the method is repeated so as to form adjacent panels.