FIELD: construction.
SUBSTANCE: invention relates to construction, namely to structures erected to prevent interruption in movement, in particular, is intended to ensure uninterrupted navigation of vessels and other watercrafts in water bodies during ice-breaks. Tunnel comprises assembled lining including screen and hollow metal elements jointed by lock joints. It is made of separate modules and is equipped with support floats, hollow metal elements are installed on support floats, screen is made of sheet material and is installed on hollow metal elements of assembled lining, at that, lock connections are represented by intersection sleeves.
EFFECT: technical result consists in ensuring continuous navigation on water reservoirs during ice-breaking period.
1 cl, 5 dwg
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