INTERLOCKING PROFILE FOR INTERLOCKING FENCING OF THE PIT Russian patent published in 2022 - IPC E02D5/04 

FIELD: construction industry.

SUBSTANCE: invention relates to construction, namely to the elements of an interlocking collapsible fence used for the construction of a pit when performing repair, emergency recovery and scheduled work on main pipelines in conditions of waterlogged and weak soils (type II and III bogginess). Interlocking profile for the interlocking fence of the pit, having at least two walls and at least one shelf in which a cutout for the pipe is made. It is equipped with at least one overlap element of the space under the pipe, placed on the inside of the shelf and in the holes of at least two walls and made with the possibility of rotation around the axis of the pipe to overlap the space under the pipe, fixing in this position and returning to the original position.

EFFECT: simplifying the design of the interlocking profile for the collapsible interlocking fence of the pit for performing work on main pipelines in conditions of waterlogged and weak soils, facilitating its installation, dismantling and operation while increasing its reliability and that of the interlocking collapsible fence as a whole when it is used.

23 cl, 13 dwg