FIELD: construction.
SUBSTANCE: support comprises tubings coupled to each other along horizontal and vertical flanges by means of bolt joints, and sealing gaskets between tubings, surfaces of flanges tightly fixed to sealing gaskets, and flange surfaces not fixed to sealing gaskets. At the same time flange surfaces not fixed to sealing gaskets are made corrugated. Sealing gaskets are arranged on flange surfaces opposite to corrugated surfaces and are made of hydrophylic elastic material that self-expands in case of load reduction.
EFFECT: increased water impermeability of an underground structures support.
2 dwg
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