METHOD TO PROTECT UNITS OF UNDERGROUND PIPELINES IN AREAS WITH HIGHER SEISMICITY IN PERMAFROST SOILS Russian patent published in 2012 - IPC F16L1/28 

Abstract RU 2465509 C1

FIELD: construction.

SUBSTANCE: in the method a trench is dug, a pipeline equipped with locking units with bypass lines or branches is laid in it, the trench is filled with soil with arrangement of locking units with bypass lines or pipeline branches in channels. Channels are made from containers filled with waterproof soil, walls and bottom of the trench are laid with webs from technical fabric. Pipeline is laid onto sliding supports installed with the rated pitch - soil-filled container devices, prior to trench filling with soil the channel is closed on top with a power membrane equipped with anchoring elements. Containers are arranged in the form of chutes of latticed design and triangular shape in the cross section with downward orientation of the top with a rounded lower part with a convexity facing the web from technical fabric, and arrangement of vertical walls at the side of the pipeline, and inclined ones - along the trench walls, on which they are fixed in their upper part together with upper ends of webs from technical fabric with the help of rods placed in soil. Ends of the power membrane are fixed on vertical walls of containers.

EFFECT: expanded arsenal of technical facilities.

1 dwg

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RU 2 465 509 C1

Authors

Tarasov Jurij Dmitrievich

Nikolaev Aleksandr Konstantinovich

Panchenko Grigorij Sergeevich

Dates

2012-10-27Published

2011-06-08Filed