Support element, for an underground mine, comprises a T-shaped central column consisting of a hydraulically curable and inflatable material surrounded by a sleeve made of stacked non-flammable empty car tires

摘要

Support element for an underground mine (3) comprises a T-shaped central column (5) having a disk-like column head (20) consisting of a hydraulically curable and inflatable material inserted under pressure in a sleeve (9) of an air- and water-permeable flexible fabric, and a sleeve (7) surrounding the column shaft (6) and made of stacked non-flammable empty car tires (8) with exit openings (23) for air and water. Preferred Features: A head plate (21) is arranged between the column head and the roof (2) and a circular pressure plate (22) is arranged between the column head and the sleeve (7). The head plate has at least limited flexibility.