Trench protection method, in particular with a pillow preventing landslide

摘要

The device has a maintenance unit i.e. connection straps (2), distributed on height of an inflatable structure (S) and on a face of the device. The inflatable structure appears as a flexible pocket for allowing a rolled or flat folded storage of the device, where the inflatable structure is in parallelepiped form. The flexible pocket is reinforced by resistant fabrics, thick rubber or plastics. The inflatable structure comprises a valve (3) and a pressure relief valve (4).