FIELD: construction.
SUBSTANCE: device is installed on an upstream slope 1 of a sand beach 2, inclined towards the horizon at the angle α. The device comprises a protective shell 3 and two support shells 4 and 5. Shells 3, 4 and 5 are arranged from fabric materials in the form of clinders and are fixed to each other. The protective shell 3 is filled with water 7 and air 8. The support shells 4 and 5 are arranged with a length of circumference equal to half of length of the shell 3 circumference and are filled with water by a half of the cylindrical volume.
EFFECT: device makes it possible to increase reliability of shell fixation on an upstream beach slope.
3 dwg
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