FIELD: transportation.
SUBSTANCE: pipeline supports are arranged according to layout of truncated tetrahedral pyramid. Yokes supporting pipelines on both sides are kinematically joined by flexible elements with flat crossbars fixed on support rods of supports. Flexible elements are installed with sags, and both points of flexible elements fixation are located on the same level. Value of flexible elements deflection is selected based on condition of pipeline operation at minimum seasonal temperature of air. Flexible elements used are steel wire ropes or round-link chains. Flexible elements are equipped with accessories for control of their deflection.
EFFECT: increased reliability of operation of pipeline installed in seismic-unsafe region.
5 cl, 2 dwg
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Authors
Dates
2009-06-10—Published
2007-12-27—Filed