DESIGN OF BARRIER FOR REINFORCEMENT OF TRENCH WALLS IN PERFORMANCE OF EARTH WORKS Russian patent published in 2009 - IPC E02D17/08 

FIELD: construction.

SUBSTANCE: invention is related to the field of construction or repair of oil and gas pipelines and other engineering communications, in particular for reinforcement of walls in trenches of pits dug in ground during performance of repair or installation of pipelines of main and field oil and gas pipelines under conditions of looseness and floatage of grounds, also under conditions when possibility is not available to dig trenches by stockpile method. Fencing of working zone for performance of repair works of deepened sections of gas line consists of two walls and frame assembled from 2 spacers and 5 rods. Metal-plastic walls consist of frame welded from aluminium profile, two linings of glass-cloth laminate and filler from foamed self-extinguishing polystyrene. Spacers and rods are arranged as integral from rolled aluminium.

EFFECT: reduced weight of structure elements, possibility of sectional assembly of fencing in site of works performance and possibility to perform assembly manually without application of weight-lifting mechanisms by team of 4 people.

5 cl, 2 dwg