ENGINEERING STRUCTURE Russian patent published in 2017 - IPC E02D29/12 

FIELD: construction.

SUBSTANCE: engineering structure comprises a well and a relieving slab with an opening for mounting a hatch. The well is made of a polymer, with a neck, a trough part, and a working chamber. The relieving slab rests on the compacted soil and on the neck of the polymeric well through the compacted base with the formation of a structure on an elastic base.

EFFECT: improvement of operational properties, increasing the strength and the tightness, increasing the service life of utility networks, shortening the period of construction and installation works on site, increasing the profitability, reducing the labour costs.

5 cl, 2 dwg