FIELD DEMOUNTABLE FORTIFICATION STRUCTURE Russian patent published in 2020 - IPC E04H9/12 

FIELD: field fortifications.

SUBSTANCE: invention relates to field fortifications erected in engineering equipment of defensive positions and areas of concentration of troops. Structural elements make it possible to use them for creation of various protective structures (dug-outs, shelters, command posts etc.). Field demountable fortification consists of main and reserve entrances and frame of structure made of volumetric concrete blocks, heat-shielding element. Volumetric concrete blocks are combined with prestressed composite reinforcement, for which in volumetric concrete blocks, when they are made at the factory, channels and recesses for passing prestressed reinforcement are formed, wherein the bulk concrete blocks additionally have grooves in the areas of interfacing with other units, and on one side of the block in the groove there is a sealing gasket, which provides tightness of the structure in the points of joints.

EFFECT: providing high bearing capacity and tightness.

1 cl, 12 dwg