PROTECTIVE SHELL OF NPP REACTOR COMPARTMENT Russian patent published in 2017 - IPC E04H7/20 

FIELD: power industry.

SUBSTANCE: in the cylindrical part the protective shell comprises circular tubular channel formers, ropes placed therein, collars with rods put on the channel formers, washers embedded into concrete behind the external non-tensioned reinforcement mesh. On the circular tubular channel formers, on the side facing the center of the shell, there is a premade cut under each collar. The outer ends of the rods are provided with thread with nuts screwed onto them and are passed into the holes of the support washers located behind the outer reinforcement mesh with the possibility of displacement. Connection units of the rods with the collars are covered with elastic gaskets made of easily deformable material.

EFFECT: decrease in the material consumption.

3 dwg