| 摘要 |
An insulating shield of gallery excavations containing the arches of the support, shielding beams, a flexible shield and an insulating layer, characterized in that on the total length of the excavation (1), its internal perimeter is covered with a flexible shield (2), preferably made from many layers of the screen, connected from the inside with the external arches (3) of the support and going between the internal arches (4) of the support and the shielding beams (5), and the external arches (3) of the support are placed alternately with internal arches (4) of the support, and the space between the flexible shield (2) and the unmined coal (6) is filled with an insulating layer (7), preferably made from gypsum or mortar, which was injected in a semi-liquid form through feeding pipes (8) going through the flexible shield (2) and installed at appropriate distances along the whole excavation (1).<IMAGE>
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